/Competitive-Programming-Submissions

Keeping track of my codeforces AC submissions

Primary LanguageC++GNU General Public License v3.0GPL-3.0

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	"handle" : "Tet",
	"rank" : "candidate master",
	"rating" : 2075,
	"max contribution" : 113,
	"maxRank" : "candidate master",
	"maxRating" : 2075,
	"joined" : "2019",
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{
	"handle" : "soroush",
	"rank" : "2 Kyu",
	"rating" : 1657,
	"maxRank" : "2 Kyu",
	"maxRating" : 1711,
	"joined" : "2019",
}

Submissions

#ProbelmCatagoryRatingTagsSolutionSubmission Time
1856Yet Another ProblemD1900binary search, bitmasks, constructive algorithms, data structuresGNU C++1404 November 2022 17:36:25
1855Swap GameC1200gamesGNU C++1404 November 2022 17:36:15
1854BAN BANB900constructive algorithmsGNU C++1404 November 2022 17:36:05
1853Two GroupsA800constructive algorithms, greedyGNU C++1404 November 2022 17:35:52
1852Theatre SquareA1000mathGNU C++1717 July 2019 19:46:07
1851UguB900brute force, dp, greedy, implementationGNU C++17 (64)23 October 2022 15:01:39
1850BestieA1000brute force, combinatorics, constructive algorithms, implementation, math, number theoryGNU C++17 (64)23 October 2022 15:01:13
1849Weakness and PoornessC2000ternary searchGNU C++1713 October 2020 19:33:13
1848Decode StringB800greedy, stringsGNU C++1707 October 2022 11:12:46
1847LCS on PermutationsCundefinedGNU C++1709 September 2022 11:46:44
1846LineD1100greedy, sortingsGNU C++1731 August 2022 08:46:38
1845Riding in a LiftE1900combinatorics, dpGNU C++1731 March 2020 08:17:18
1844Bear and BlocksB1600binary search, data structures, dp, mathGNU C++1726 August 2022 15:36:02
1843FlowersD1700dpGNU C++1731 August 2019 17:01:16
1842CNF 2C2500constructive algorithms, dfs and similar, graphs, greedyGNU C++1730 January 2020 09:08:30
1841Carrying ConundrumC1600bitmasks, combinatorics, dp, mathGNU C++1705 September 2021 15:40:27
1840Expression Evaluation ErrorD2000constructive algorithms, greedy, implementation, mathGNU C++1705 September 2021 15:23:38
1839Non-Decreasing DilemmaE2200data structures, divide and conquer, mathGNU C++1705 September 2021 15:10:11
1838MEXor MixupB1000bitmasks, greedyGNU C++1705 September 2021 14:43:36
1837Domino DisasterA800implementation, stringsGNU C++1705 September 2021 14:39:44
1836Huffman Coding on SegmentD3100data structures, greedyGNU C++1703 September 2021 19:11:23
1835Sports BettingF2500bitmasks, combinatorics, dp, graphs, math, probabilitiesGNU C++1731 August 2021 08:55:58
1834EquilibriumE2200data structures, dp, greedyGNU C++1731 August 2021 07:23:06
1833Compressed Bracket SequenceC1800brute force, implementationGNU C++1730 August 2021 07:12:07
1832Take a GuessD1800bitmasks, constructive algorithms, interactive, mathGNU C++1729 August 2021 18:15:46
1831Take Your Places!B1300implementationGNU C++1729 August 2021 15:06:29
1830A Variety of OperationsA800mathGNU C++1729 August 2021 14:37:57
182924 GameA1500constructive algorithms, greedy, mathGNU C++1729 August 2021 14:14:00
1828Super AgentA800implementationGNU C++1729 August 2021 13:51:36
1827TourismE2200dfs and similar, dp, dsu, graphs, greedy, treesGNU C++1729 August 2021 13:44:36
1826Rescue Niwen!E2500dp, greedy, string suffix structures, stringsGNU C++1729 August 2021 12:34:52
1825Vanya and CubesA800implementationGNU C++1727 August 2021 14:15:52
1824New Year and the Christmas OrnamentA800brute force, implementation, mathGNU C++1727 August 2021 13:51:38
1823GukiZ and ContestA800brute force, implementation, sortingsGNU C++1727 August 2021 13:07:11
1822Calculating FunctionA800implementation, mathGNU C++1727 August 2021 10:36:03
1821Word CapitalizationA800implementation, stringsGNU C++1727 August 2021 10:32:30
1820Two Hundred Twenty One (hard version)D22200data structures, mathGNU C++1726 August 2021 17:49:10
1819Two Hundred Twenty One (easy version)D11700data structures, dp, mathGNU C++1726 August 2021 16:29:35
1818RingsC1500constructive algorithms, mathGNU C++1726 August 2021 15:20:05
1817Scenes From a MemoryB1000brute force, constructive algorithms, implementation, math, number theoryGNU C++1726 August 2021 14:57:04
1816The Miracle and the SleeperA800greedy, mathGNU C++1726 August 2021 14:45:00
1815Up the StripB1900brute force, dp, math, number theory, two pointersGNU C++1726 August 2021 13:53:16
1814Bottom-Tier ReversalsC2000constructive algorithms, greedyGNU C++1726 August 2021 12:23:20
1813Light switchesL2600meet-in-the-middleGNU C++17 (64)25 August 2021 15:55:05
1812MercenariesG2600bitmasks, brute force, combinatorics, dp, dsu, math, two pointersGNU C++17 (64)25 August 2021 15:54:29
1811Up the Strip (simplified version)D11700brute force, data structures, dp, math, number theoryGNU C++17 (64)25 August 2021 10:35:41
1810Charmed by the GameA1300brute force, mathGNU C++1724 August 2021 14:42:55
1809Buying SetsE2900flows, graph matchingsGNU C++1721 August 2021 18:15:59
1808Sign on FenceE2500binary search, constructive algorithms, data structuresGNU C++1719 August 2021 19:39:26
1807Who's Opposite?B800mathGNU C++17 (64)18 August 2021 18:27:47
1806Same Parity SummandsB1200constructive algorithms, mathGNU C++1709 May 2020 16:47:19
1805Mocha and Red and BlueB900dp, greedyGNU C++1715 August 2021 15:14:59
1804Mocha and HikingC1200constructive algorithms, graphsGNU C++1715 August 2021 14:59:22
1803Mocha and MathA900bitmasks, constructive algorithms, mathGNU C++1715 August 2021 14:46:14
1802Mocha and Diana (Easy Version)D11400brute force, constructive algorithms, dsu, graphs, greedy, treesGNU C++1715 August 2021 14:43:33
1801Drinks ChoosingA1000greedy, mathGNU C++1711 August 2021 15:07:07
1800Little Pigs and WolvesB1100greedy, implementationGNU C++1711 August 2021 15:06:37
1799WOW FactorB1300dp, stringsGNU C++1711 August 2021 15:05:23
1798New Year and DaysA900implementationGNU C++1711 August 2021 15:04:59
1797Draw!B1400greedy, implementationGNU C++1710 August 2021 15:04:57
1796Mike and stringsB1300brute force, dp, stringsGNU C++1710 August 2021 15:04:35
1795JoysticksA1100dp, greedy, implementation, mathGNU C++1710 August 2021 15:04:15
1794Fibonacci-ish IIH3100data structures, implementationGNU C++1709 August 2021 13:59:22
1793Happy BirthdayH1500mathGNU C++1708 August 2021 07:58:11
1792Integers Have FriendsD1800binary search, data structures, math, two pointersGNU C++17 (64)01 August 2021 15:49:44
1791Web of LiesC1400graphs, greedyGNU C++17 (64)01 August 2021 14:56:27
1790Gregor and the Pawn GameB800dfs and similar, dp, flows, graph matchings, graphs, greedy, implementationGNU C++1701 August 2021 14:45:11
1789Gregor and CryptographyA800math, number theoryGNU C++1701 August 2021 14:36:43
1788Given Length and Sum of Digits...C1400dp, greedy, implementationGNU C++1701 August 2021 14:07:51
1787Chat roomA1000greedy, stringsGNU C++1701 August 2021 13:55:16
1786Subsequences ReturnE2900dp, matricesGNU C++17 (64)01 August 2021 13:28:39
1785Segments on the LineE2500binary search, dpGNU C++1701 August 2021 10:49:20
1784DianeD1800constructive algorithms, greedy, stringsGNU C++1729 July 2021 16:25:24
1783MikasaC1800binary search, bitmasks, greedy, implementationGNU C++1729 July 2021 15:31:58
1782CobbB1700bitmasks, brute force, greedy, mathGNU C++17 (64)29 July 2021 14:53:59
1781CherryA800greedyGNU C++1729 July 2021 14:39:15
1780Cut RibbonA1300brute force, dpGNU C++1729 July 2021 14:05:28
1779Vanya and LanternsB1200binary search, implementation, math, sortingsGNU C++1729 July 2021 13:56:51
1778Ilya and QueriesB1100dp, implementationGNU C++1729 July 2021 13:50:38
1777A and B and Team TrainingC1300greedy, implementation, math, number theoryGNU C++1729 July 2021 13:47:45
1776Common Divisor GraphG2700brute force, constructive algorithms, dsu, graphs, hashing, math, number theoryGNU C++1726 July 2021 15:39:52
1775Maximize the IntersectionsC1800combinatorics, constructive algorithms, geometry, greedy, sortingsGNU C++1725 July 2021 16:40:04
1774Array DifferentiationD1800bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, mathGNU C++1725 July 2021 15:40:27
1773Running for GoldB1500combinatorics, graphs, greedy, sortingsGNU C++1725 July 2021 15:14:41
1772Subsequence PermutationA800sortings, stringsGNU C++1725 July 2021 14:36:37
1771Different Subsets For All TuplesE2300combinatorics, mathGNU C++1725 July 2021 10:54:22
1770Cursor DistanceF3500GNU C++1724 July 2021 20:52:01
1769Permutation ShiftE2100brute force, combinatorics, constructive algorithms, dfs and similar, dsu, graphs, mathGNU C++1723 July 2021 17:18:08
1768Pairwise ModuloF2300data structures, mathGNU C++1722 July 2021 19:12:43
1767BackspaceD1500dp, greedy, strings, two pointersGNU C++1722 July 2021 15:01:50
1766PenaltyC1200bitmasks, brute force, dp, greedyGNU C++1722 July 2021 14:52:00
1765Reverse StringB1300brute force, dp, hashing, implementation, stringsGNU C++1722 July 2021 14:43:57
1764Digits SumA800math, number theoryGNU C++1722 July 2021 14:37:08
1763TouristsE3200data structures, dfs and similar, graphs, treesGNU C++1721 July 2021 18:31:50
1762Freezing with StyleE3000binary search, data structures, divide and conquer, treesGNU C++1714 December 2020 19:49:43
1761MutationC2700bitmasks, dp, mathGNU C++1719 July 2021 19:54:35
1760Game of PairsD2800constructive algorithms, dfs and similar, interactive, math, number theoryGNU C++1719 July 2021 17:02:56
1759Tree-Tac-Toe G3100constructive algorithms, games, treesGNU C++1718 July 2021 19:51:39
1758Secret SantaD1600constructive algorithms, flows, graphs, greedy, mathGNU C++1717 July 2021 17:25:29
1757MinimaxE2100constructive algorithms, greedy, stringsGNU C++1717 July 2021 16:36:09
1756PursuitC1200binary search, brute force, greedy, sortingsGNU C++1717 July 2021 15:27:22
1755Putting PlatesB800constructive algorithms, implementationGNU C++1717 July 2021 15:02:10
1754Binary DecimalA800greedy, mathGNU C++1717 July 2021 14:36:24
1753Wrap AroundF2900dp, stringsGNU C++1717 July 2021 12:44:38
1752Mission ImpassableD2600dp, stringsGNU C++1717 July 2021 07:23:29
1751Mike and CellphoneA1400brute force, constructive algorithms, implementationGNU C++1715 July 2021 10:19:46
1750Pastoral OdditiesE3000data structures, divide and conquer, dsu, math, treesGNU C++1714 July 2021 19:06:29
1749Manhattan SubarraysC1700brute force, geometry, greedy, implementationGNU C++1714 July 2021 15:27:30
1748Find The ArrayB1400bitmasks, constructive algorithms, greedyGNU C++1727 December 2020 18:28:43
1747Switch and FlipG2800constructive algorithms, graphs, mathGNU C++1714 July 2021 06:14:05
1746The same permutation E3100constructive algorithmsGNU C++1713 July 2021 14:54:53
1745Density of subarraysF3500dp, mathGNU C++17 (64)11 July 2021 20:01:42
1744AquaMoon and Stolen StringB1200interactive, mathGNU C++1711 July 2021 14:37:28
1743AquaMoon and Two ArraysA800brute force, greedyGNU C++1711 July 2021 14:16:34
1742How Many Paths?G2100dfs and similar, dp, graphs, treesGNU C++1710 July 2021 17:09:38
1741Array Stabilization (GCD version)F1900binary search, brute force, data structures, divide and conquer, number theory, two pointersGNU C++1710 July 2021 17:09:23
1740Air ConditionersE1500data structures, dp, implementation, shortest paths, sortings, two pointersGNU C++1710 July 2021 17:09:07
1739Co-growing SequenceD1300bitmasks, constructive algorithms, greedyGNU C++1710 July 2021 17:08:54
1738Pair ProgrammingC1100greedy, two pointersGNU C++1710 July 2021 17:08:43
1737Alphabetical StringsB800greedy, implementation, stringsGNU C++1710 July 2021 17:08:32
1736Shortest Path with ObstacleA800implementation, mathGNU C++1710 July 2021 17:08:20
1735Segment SumE2300bitmasks, combinatorics, dp, mathGNU C++1710 July 2021 12:35:40
1734Yet Another LCP ProblemG2600data structures, string suffix structuresGNU C++1709 July 2021 19:26:53
1733Vasya and RobotC1800binary search, two pointersGNU C++1709 July 2021 18:11:40
1732Berland FairD1700binary search, brute force, data structures, greedyGNU C++1709 July 2021 18:10:24
1731Vasya and BooksB1000implementation, mathGNU C++1709 July 2021 17:35:32
1730Diverse SubstringA1000implementation, stringsGNU C++1709 July 2021 17:31:33
1729Almost Increasing ArrayG2500data structures, dpGNU C++1709 July 2021 14:19:29
1728Largest Beautiful NumberE2200greedy, implementationGNU C++1708 July 2021 19:46:14
1727TimetableD1800dpGNU C++1708 July 2021 18:06:35
1726String TransformationC1300greedy, stringsGNU C++1708 July 2021 17:46:33
1725Weird Subtraction ProcessB1100math, number theoryGNU C++1708 July 2021 17:44:14
1724PartitionA800greedyGNU C++1708 July 2021 17:41:22
1723Ostap and TreeE2500dp, treesGNU C++1708 July 2021 17:13:04
1722Need for Pink SlipsC1900bitmasks, brute force, dfs and similar, implementation, math, probabilitiesGNU C++1708 July 2021 14:59:47
1721Classical?F2900binary search, combinatorics, number theoryGNU C++1708 July 2021 12:39:20
1720Gold ExperienceG3300constructive algorithms, graphs, math, number theory, probabilitiesGNU C++1708 July 2021 11:40:29
1719RPD and Rap Sheet (Hard Version)D22200brute force, constructive algorithms, interactive, mathGNU C++1707 July 2021 16:31:42
1718RPD and Rap Sheet (Easy Version)D11700bitmasks, constructive algorithms, interactive, mathGNU C++1707 July 2021 15:00:04
1717Customising the TrackB900combinatorics, greedy, mathGNU C++1707 July 2021 14:49:58
1716Exciting BetsA900greedy, math, number theoryGNU C++1707 July 2021 14:46:09
1715Swiper, no swiping!F3400graphs, implementationGNU C++1705 July 2021 21:01:21
1714JokerC2800*special, bitmasks, data structures, divide and conquer, dsuGNU C++1704 July 2021 10:07:10
1713Odd SetA800mathGNU C++1703 July 2021 13:06:18
1712Isomorphic StringsF2300hashing, stringsGNU C++1701 July 2021 19:08:22
1711Sand FortressD2100binary search, constructive algorithms, mathGNU C++1701 July 2021 17:57:43
1710Liebig's BarrelsC1500greedyGNU C++1701 July 2021 17:29:07
1709Switches and LampsB1200implementationGNU C++1701 July 2021 17:13:55
1708Chess PlacingA1100implementationGNU C++1701 July 2021 17:07:52
1707Tree ArrayD2300combinatorics, dp, graphs, math, probabilities, treesGNU C++1701 July 2021 16:22:06
1706Nearest Point FunctionBundefined*special, implementationKotlin 1.429 June 2021 15:56:09
1705Travel to BertownAundefined*special, implementation, mathKotlin 1.429 June 2021 15:35:03
1704A+B (Trial Problem)A800implementationGNU C++1707 May 2020 14:35:44
1703Tree DestructionF2400constructive algorithms, dfs and similar, graphs, greedy, treesGNU C++1727 June 2021 19:09:10
1702Mass Change QueriesG2500data structuresGNU C++1727 June 2021 15:03:51
1701Stack SortingE2000constructive algorithms, data structures, greedy, implementationGNU C++1727 June 2021 14:22:42
1700Inversion CountingD1800brute force, mathGNU C++1727 June 2021 13:49:28
1699Two CakesB1200binary search, brute force, implementationGNU C++1727 June 2021 13:24:35
1698Three GarlandsC1400brute force, constructive algorithmsGNU C++1727 June 2021 13:20:19
1697Nearest MinimumsA1100implementationGNU C++1727 June 2021 13:11:38
1696Connecting VerticesF2500dp, graphsGNU C++1727 June 2021 12:56:12
1695New Year Tree DecorationsE2500geometry, schedules, sortingsGNU C++1727 June 2021 06:42:35
1694Great GraphsC1400constructive algorithms, graphs, greedy, shortest paths, sortingsGNU C++1725 June 2021 15:59:00
1693Pleasant PairsB1200brute force, implementation, math, number theoryGNU C++1725 June 2021 15:45:18
1692Pretty PermutationsA800constructive algorithms, greedy, implementationGNU C++1725 June 2021 15:37:56
1691Game with CardsE2500binary search, constructive algorithms, data structures, dp, greedy, implementationGNU C++1725 June 2021 12:35:34
1690PriceFixedD1600binary search, greedy, implementation, sortings, two pointersGNU C++1725 June 2021 11:23:24
1689Stable GroupsC1200greedy, sortingsGNU C++1725 June 2021 11:00:23
1688Love SongB800dp, implementation, stringsGNU C++1725 June 2021 10:49:25
1687Contest StartA1000combinatorics, geometry, greedy, mathGNU C++1725 June 2021 10:47:10
1686Omkar and ForestE2300combinatorics, graphs, math, shortest pathsGNU C++1725 June 2021 05:07:35
1685Goods transportationE2900dp, flows, greedyGNU C++1724 June 2021 11:04:11
1684Erase and Extend (Hard Version)E22200binary search, data structures, greedy, hashing, string suffix structures, strings, two pointersGNU C++1724 June 2021 10:32:20
1683Deleting DivisorsD1700games, math, number theoryGNU C++1724 June 2021 08:45:52
1682Erase and Extend (Easy Version)E11600binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointersGNU C++1724 June 2021 08:34:14
1681Figure FixingF2200constructive algorithms, dfs and similar, dsu, graphs, greedy, mathGNU C++1724 June 2021 08:03:25
1680Challenging CliffsC1200constructive algorithms, greedy, implementation, mathGNU C++1724 June 2021 07:19:17
1679Bad BoyB900constructive algorithms, greedy, mathGNU C++1724 June 2021 07:03:07
1678Arithmetic ArrayA800greedy, mathGNU C++1724 June 2021 06:59:45
1677Counting ArraysE2000combinatorics, dp, math, number theoryGNU C++1723 June 2021 17:15:29
1676Subtree Minimum QueryF2300data structures, treesGNU C++1723 June 2021 18:55:33
1675Credit CardD1900data structures, dp, greedy, implementationGNU C++1723 June 2021 17:15:09
1674RumorC1300dfs and similar, graphs, greedyGNU C++1723 June 2021 17:14:53
1673Beautiful DivisorsB1000brute force, implementationGNU C++1723 June 2021 17:14:36
1672Chess For ThreeA900implementationGNU C++1723 June 2021 17:14:21
1671BricksE2800flows, graph matchings, graphsGNU C++1723 June 2021 17:13:39
1670New Year PresentB1200constructive algorithms, implementationGNU C++1723 June 2021 17:13:19
1669New Year Ratings ChangeC1400greedy, sortingsGNU C++1723 June 2021 17:12:59
1668New Year LetterD2000bitmasks, brute force, dpGNU C++1723 June 2021 17:12:41
1667New Year CandlesA1000implementationGNU C++1723 June 2021 14:59:00
1666Card GameA800games, greedy, mathGNU C++1129 December 2019 14:09:30
1665Array and OperationsC2100flows, graph matchings, number theoryGNU C++1721 June 2021 10:59:08
1664Masha and two friendsC1500implementationGNU C++1718 June 2021 09:59:57
1663MusicA1500implementation, mathGNU C++1718 June 2021 09:37:49
1662Colour the FlagA800brute force, implementationGNU C++1713 June 2021 15:41:08
1661Omkar and MediansD2000data structures, greedy, implementationGNU C++1706 June 2021 16:25:08
1660Diluc and KaeyaC1500data structures, dp, hashing, number theoryGNU C++1706 June 2021 15:26:21
1659Prinzessin der VerurteilungB1200brute force, constructive algorithms, stringsGNU C++1706 June 2021 15:19:45
1658Omkar and Bad StoryA800brute force, constructive algorithmsGNU C++1706 June 2021 14:46:02
1657Crime ManagementD2400dp, graphs, matricesGNU C++1702 June 2021 11:02:11
1656What Has Dirichlet Got to Do with That?E2000dp, gamesGNU C++1731 May 2021 18:44:25
1655Water LevelE2200brute force, graphs, greedy, implementation, mathGNU C++1729 May 2021 18:20:13
1654Oolimry and Suffix ArrayE2400combinatorics, constructive algorithms, mathGNU C++1728 May 2021 18:57:17
1653Kill AntonD2200brute force, constructive algorithms, data structures, math, stringsGNU C++17 (64)28 May 2021 16:14:34
1652I Hate 1111B1400dp, math, number theoryGNU C++1728 May 2021 15:16:00
1651Potions (Hard Version)C21600data structures, greedyGNU C++1728 May 2021 14:30:51
1650Potions (Easy Version)C11500brute force, data structures, dp, greedyGNU C++1728 May 2021 14:19:55
1649Mean InequalityA800constructive algorithms, sortingsGNU C++1728 May 2021 14:08:04
1648Please, another Queries on Array?F2400bitmasks, data structures, divide and conquer, math, number theoryGNU C++17 (64)28 May 2021 12:45:48
1647Arithmetic ProgressionE2200binary search, interactive, number theory, probabilitiesGNU C++1727 May 2021 18:16:38
1646Flood FillD1900dpGNU C++1727 May 2021 17:33:06
1645Trailing Loves (or L'oeufs?)C1700brute force, implementation, math, number theoryGNU C++1727 May 2021 17:23:57
1644Yet Another Array Partitioning TaskB1500constructive algorithms, greedy, sortingsGNU C++1727 May 2021 17:15:51
1643Got Any Grapes?A800brute force, greedy, implementationGNU C++1727 May 2021 17:03:22
1642Buy Low Sell HighD2400data structures, greedy, two pointersGNU C++1727 May 2021 14:31:04
1641Brackets in ImplicationsE2200constructive algorithms, greedy, implementation, mathGNU C++1727 May 2021 12:32:01
1640Sonya and Problem Wihtout a LegendC2300dp, sortingsGNU C++1726 May 2021 12:36:04
1639Parsa's Humongous TreeA1600dfs and similar, divide and conquer, dp, greedy, treesGNU C++1725 May 2021 06:33:56
1638Trees of TranquillityC2300data structures, dfs and similar, greedy, treesPyPy 324 May 2021 17:49:33
1637Gosha is huntingE3000brute force, data structures, dp, flows, math, probabilities, sortingsGNU C++1723 May 2021 03:31:58
1636Partition GameE2500binary search, data structures, divide and conquer, dpGNU C++1721 May 2021 12:53:26
1635Katya and Segments SetsF2400data structures, interactive, sortingsGNU C++1704 May 2021 09:22:33
1634Kuroni and AntihypeG3500bitmasks, brute force, dp, dsu, graphsGNU C++1703 May 2021 07:10:46
1633Adam and TreeD2600data structures, treesGNU C++1703 May 2021 06:05:02
1632DFSF2700data structuresGNU C++1709 October 2020 10:43:11
1631Spy Detected!A800brute force, implementationGNU C++1701 May 2021 18:45:06
1630Yet Another Minimization ProblemF2500divide and conquer, dpGNU C++1730 April 2021 10:26:21
1629Bark to UnlockA900brute force, implementation, stringsGNU C++1730 April 2021 06:48:24
1628Array and PeaksA800constructive algorithms, implementationGNU C++1730 April 2021 06:44:46
1627Two PermutationsE2700data structures, hashing, stringsGNU C++1729 April 2021 19:14:58
1626GardenE2500bitmasks, dp, graphs, treesGNU C++1728 April 2021 18:57:43
1625Levels and RegionsE2400divide and conquer, dpGNU C++1728 April 2021 14:48:11
1624Mike and code of a permutationE3000constructive algorithms, data structures, graphs, sortingsGNU C++1727 April 2021 18:36:01
1623Ciel and GondolasE2600data structures, divide and conquer, dpGNU C++1726 April 2021 15:29:59
1622String JourneyF3300data structures, dp, string suffix structuresGNU C++1726 April 2021 12:57:06
1621Concatenating TeamsCundefinedGNU C++1725 April 2021 18:45:38
1620Circular DungeonG2600greedy, math, probabilitiesGNU C++1725 April 2021 16:22:50
1619Run for beerG2200dfs and similar, shortest pathsGNU C++1724 April 2021 07:06:49
1618Explorer SpaceD1800dp, graphs, shortest pathsGNU C++1723 April 2021 16:59:59
1617Fillomino 2C1400constructive algorithms, dfs and similar, greedy, implementationGNU C++1723 April 2021 15:23:28
1616Morning JoggingB1200constructive algorithms, greedy, sortingsGNU C++1723 April 2021 14:54:29
1615Sum of 2050A800greedy, mathGNU C++1723 April 2021 14:36:58
1614CutD2100binary search, data structures, dp, graphs, number theory, two pointersGNU C++1723 April 2021 13:35:36
1613Molly's ChemicalsC1800binary search, brute force, data structures, implementation, mathGNU C++1723 April 2021 11:04:22
1612Recursive QueriesG2500data structuresGNU C++1723 April 2021 09:18:34
1611Good SubstringsD1800data structures, stringsGNU C++17 (64)23 April 2021 05:49:44
1610AGAGA XOOORRRB1500bitmasks, brute force, dp, greedyGNU C++1721 April 2021 14:53:38
1609Baby Ehab Partitions AgainC1700bitmasks, constructive algorithms, dp, mathGNU C++1721 April 2021 14:41:28
1608Tit for TatA800greedyGNU C++1721 April 2021 13:39:24
1607Bear and Finding CriminalsB1000constructive algorithms, implementationGNU C++1721 April 2021 13:24:38
1606Dasha and StairsA1000brute force, constructive algorithms, implementation, mathGNU C++1721 April 2021 13:19:40
16053-palindromeB1000constructive algorithmsGNU C++1721 April 2021 13:17:07
1604Vasya and Magic MatrixE2300dp, math, probabilitiesGNU C++1720 April 2021 14:44:32
1603Cut and StickD2000binary search, data structures, greedy, implementation, sortingsGNU C++1719 April 2021 14:51:58
1602Product 1 Modulo NC1600greedy, number theoryGNU C++1719 April 2021 14:04:15
1601AND 0, Sum BigB1200bitmasks, combinatorics, mathGNU C++1719 April 2021 13:39:02
1600Perfectly Imperfect ArrayA800math, number theoryGNU C++1719 April 2021 13:37:07
1599Good ContestF2700combinatorics, dp, probabilitiesGNU C++1718 April 2021 14:01:24
1598Kuro and GCD and XOR and SUMD2200binary search, bitmasks, brute force, data structures, dp, dsu, greedy, math, number theory, strings, treesGNU C++1718 April 2021 07:27:20
1597Almost SortedE1800brute force, constructive algorithms, mathGNU C++1716 April 2021 16:47:44
1596Binary LiteratureD1900constructive algorithms, greedy, strings, two pointersGNU C++1716 April 2021 15:53:19
1595The Sports FestivalC1800dp, greedyGNU C++1716 April 2021 15:10:00
1594TMT DocumentB1100greedyGNU C++1716 April 2021 14:46:28
1593Average HeightA800constructive algorithmsGNU C++1716 April 2021 14:36:52
1592Kuro and Walking RouteC1600dfs and similar, treesGNU C++1716 April 2021 11:52:36
1591Treasure HuntB1800greedyGNU C++1716 April 2021 11:44:35
1590Pizza, Pizza, Pizza!!!A1000mathGNU C++1716 April 2021 11:25:39
1589Vasya and Maximum MatchingC2400combinatorics, dp, treesGNU C++1715 April 2021 15:39:44
1588Frank SinatraFundefinedGNU C++1714 April 2021 19:53:05
1587Treasure HuntingD2100binary search, dp, greedy, implementationGNU C++1714 April 2021 17:55:05
1586Maximum MedianC1400binary search, greedy, math, sortingsGNU C++1714 April 2021 17:54:40
1585Zero ArrayB1500greedy, mathGNU C++1714 April 2021 17:54:23
1584Important ExamA900implementation, stringsGNU C++1714 April 2021 17:53:29
1583EntertainmentEundefinedGNU C++1713 April 2021 14:59:17
1582Yet Another Card DeckC1100brute force, data structures, implementation, treesGNU C++1712 April 2021 15:44:01
1581GCD LengthB1100constructive algorithms, math, number theoryGNU C++1712 April 2021 15:30:46
1580Review SiteA800greedyGNU C++1712 April 2021 15:09:23
1579Graph TranspositionsC2400dfs and similar, graphs, greedy, shortest pathsGNU C++1712 April 2021 13:07:52
1578CarpetCundefinedGNU C++1711 April 2021 11:43:40
1577Familiar OperationsD2800graphs, mathGNU C++1709 April 2021 16:04:49
1576Sasha and ArrayC2300data structures, math, matricesGNU C++1709 April 2021 08:07:47
1575Sasha and a Very Easy TestE2700data structures, number theoryGNU C++1707 April 2021 15:40:22
1574Make It OneF2500bitmasks, combinatorics, dp, math, number theory, shortest pathsGNU C++17 (64)06 April 2021 15:50:25
1573Forced Online Queries ProblemF2600data structures, divide and conquer, dsu, graphs, treesGNU C++1704 April 2021 19:41:24
1572Painting EdgesE3300binary search, data structuresGNU C++1704 April 2021 17:40:46
1571Bipartite CheckingF2500data structures, dsu, graphsGNU C++1704 April 2021 16:09:20
1570Two HousesE2200brute force, graphs, greedy, interactive, sortingsGNU C++1729 March 2021 18:22:10
1569Planar ReflectionsC1600brute force, data structures, dpGNU C++1729 March 2021 18:21:50
1568Box FittingB1300binary search, bitmasks, data structures, greedyGNU C++1729 March 2021 18:21:26
1567GCD SumA800brute force, mathGNU C++1729 March 2021 18:21:09
1566Ehab and a weird weight formulaF2800data structures, treesGNU C++1726 March 2021 18:36:03
1565A Museum RobberyE2800data structures, dpGNU C++1724 March 2021 09:04:42
1564Extending Set of PointsF2600data structures, divide and conquer, dsuGNU C++1722 March 2021 15:17:46
1563Connect and DisconnectAundefinedGNU C++1719 March 2021 12:35:30
1562k-LCM (hard version)C21600constructive algorithms, mathGNU C++1717 March 2021 15:58:42
1561k-LCM (easy version)C11200constructive algorithms, mathGNU C++17 (64)17 March 2021 15:52:54
1560Square-free division (easy version)E11700data structures, dp, greedy, math, number theory, two pointersGNU C++17 (64)17 March 2021 15:26:40
1559M-arraysB1200constructive algorithms, greedy, mathGNU C++1717 March 2021 14:45:23
1558MeximizationA800brute force, data structures, greedy, sortingsGNU C++1717 March 2021 14:38:26
1557Digits of Number PiF3200dp, implementation, stringsGNU C++1715 March 2021 10:56:21
1556Going HomeA1800brute force, hashing, implementation, mathGNU C++1713 March 2021 10:34:35
1555Legen...D2500data structures, dp, matrices, stringsGNU C++1706 March 2021 13:51:04
1554Deduction QueriesD2400data structures, dsu, hashingGNU C++1703 March 2021 19:59:18
1553DogeforcesD2300constructive algorithms, data structures, dfs and similar, divide and conquer, dsu, greedy, sortings, treesGNU C++1702 March 2021 19:55:30
1552Nezzar and Colorful BallsA800brute force, greedyPyPy 301 March 2021 18:33:51
1551Fib-treeE2400brute force, dfs and similar, divide and conquer, number theory, treesGNU C++1728 February 2021 16:26:10
1550Zookeeper and The Infinite ZooD1800bitmasks, constructive algorithms, dp, greedy, mathGNU C++1728 February 2021 15:44:34
1549Pekora and TrampolineC1700brute force, data structures, dp, greedy, implementationGNU C++1728 February 2021 14:38:50
1548Minimal CostB1200brute force, mathGNU C++1728 February 2021 13:45:33
1547K-th Largest ValueA800brute force, greedy, implementationGNU C++1728 February 2021 13:37:52
1546Voting (Hard Version)E22400binary search, data structures, greedyGNU C++1728 February 2021 12:53:22
1545Voting (Easy Version)E12300data structures, dp, greedyGNU C++1728 February 2021 12:50:21
1544Salary ChangingD1900binary search, greedy, sortingsGNU C++1728 February 2021 11:32:17
1543Minimize The IntegerC1600greedy, two pointersGNU C++1728 February 2021 11:10:50
1542Binary PalindromesB1400greedy, stringsGNU C++1724 October 2019 16:57:53
1541Broken KeyboardA1000brute force, strings, two pointersGNU C++1724 October 2019 15:21:50
1540Detect RobotsH3200data structures, stringsGNU C++1727 February 2021 09:26:00
1539King Kog's ReceptionK2400data structuresGNU C++1726 February 2021 07:21:00
1538Mike and FriendsE2800data structures, string suffix structures, strings, treesGNU C++1725 February 2021 14:58:36
1537TwinsA900greedy, sortingsGNU C++1723 February 2021 21:03:33
1536Duff is MadF3000data structures, stringsGNU C++1722 February 2021 19:12:26
1535e-GovernmentE2800data structures, dfs and similar, dp, strings, treesGNU C++17 (64)22 February 2021 12:13:19
1534Death DBMSG2600data structures, string suffix structures, strings, treesGNU C++1721 February 2021 16:34:10
1533ArenaA800implementation, sortingsGNU C++1720 February 2021 19:00:12
1532Upgrading CitiesF2900dfs and similar, graphsGNU C++1720 February 2021 07:54:02
1531Playlist for Polycarp (easy version)G12100bitmasks, combinatorics, dpGNU C++1719 February 2021 17:49:38
1530Polycarp and SnakesE2000brute force, implementationGNU C++1719 February 2021 17:11:00
1529Extra ElementD1700implementation, mathGNU C++1719 February 2021 16:45:13
1528Exam in BerSU (hard version)C21700brute force, data structures, greedy, mathGNU C++1719 February 2021 16:24:26
1527Exam in BerSU (easy version)C11200greedy, sortingsGNU C++1719 February 2021 16:07:02
1526Email from PolycarpB1200implementation, stringsGNU C++1719 February 2021 15:59:42
1525RopewalkersA800mathGNU C++1719 February 2021 15:52:26
1524...Wait for it...E3000data structures, dsu, treesGNU C++1719 February 2021 15:36:45
1523You Are Given Some Strings...E2400brute force, string suffix structures, stringsGNU C++1717 February 2021 18:30:00
1522Max MedianD2100binary search, data structures, dpGNU C++1719 February 2021 10:26:58
1521Eastern ExhibitionB1500binary search, geometry, shortest paths, sortingsGNU C++1719 February 2021 10:19:56
1520Shifting StacksA900greedy, implementationGNU C++1719 February 2021 10:17:42
1519Paired PaymentE2200binary search, brute force, constructive algorithms, dp, flows, graphs, shortest pathsGNU C++1718 February 2021 16:35:15
1518Guessing the Greatest (hard version)C21900binary search, interactiveGNU C++1718 February 2021 16:20:59
1517Guessing the Greatest (easy version)C11600binary search, interactiveGNU C++1718 February 2021 15:26:43
1516Jumping GrasshoperJundefinedGNU C++1716 February 2021 19:49:43
1515Old Floppy Drive G1900binary search, data structures, mathGNU C++1716 February 2021 18:39:23
1514Equalize the ArrayF1500binary search, data structures, greedy, math, sortingsGNU C++1716 February 2021 18:39:10
1513Accidental VictoryE1400binary search, data structures, greedyGNU C++1716 February 2021 18:38:53
1512Permutation TransformationD1200dfs and similar, divide and conquer, implementationGNU C++1716 February 2021 18:38:40
1511Sum of CubesC1100binary search, brute force, brute force, mathGNU C++1716 February 2021 18:38:23
1510Balanced RemaindersB1000brute force, constructive algorithms, mathGNU C++1716 February 2021 18:38:11
1509Dense ArrayA800greedy, mathGNU C++1716 February 2021 18:37:52
1508Nearest LeafF2600data structures, treesGNU C++1714 February 2021 10:26:39
1507Big Problems for OrganizersD2800data structures, graphs, treesGNU C++1714 February 2021 09:34:08
1506Replace and Keep SortedB1200dp, implementation, mathGNU C++1712 February 2021 15:11:44
1505Add and DivideA1000brute force, greedy, math, number theoryGNU C++1712 February 2021 14:55:51
1504Different DivisorsB1000binary search, constructive algorithms, greedy, math, number theoryGNU C++1711 February 2021 09:51:31
1503Puzzle From the FutureA800greedyGNU C++1711 February 2021 09:51:16
1502Hills And ValleysB1700brute force, implementationGNU C++1711 February 2021 09:50:51
1501Wizard of OrzA900constructive algorithms, greedy, mathGNU C++1711 February 2021 09:50:35
1500Slime and Sequences (Easy Version)F13100dp, fft, mathGNU C++1709 February 2021 20:20:01
1499Searching Local MinimumC1700binary search, interactive, math, ternary searchGNU C++1707 February 2021 19:55:25
1498The Great HeroB900greedy, implementation, sortingsGNU C++1707 February 2021 16:14:10
1497Painting the Array ID11900data structures, dp, greedy, implementationGNU C++1707 February 2021 15:46:45
1496Yet Another String GameA800games, greedy, stringsGNU C++1707 February 2021 14:37:52
1495AB GraphD2000brute force, constructive algorithms, graphs, greedy, implementationGNU C++1706 February 2021 09:34:15
1494Fence PaintingC1600brute force, constructive algorithms, greedyGNU C++1705 February 2021 15:41:14
1493New ColonyB1100brute force, greedy, implementationGNU C++1705 February 2021 14:51:26
1492Space Navigation A800greedy, stringsGNU C++1705 February 2021 14:40:55
1491Finals in arithmeticD2400constructive algorithms, implementation, mathGNU C++1705 February 2021 13:17:00
1490K-special TablesC1300constructive algorithms, implementationGNU C++1705 February 2021 13:16:37
1489War of the CorporationsB1200constructive algorithms, greedy, stringsGNU C++1705 February 2021 13:16:20
1488Guest From the PastA1700implementation, mathGNU C++1705 February 2021 13:16:00
1487The Struggling ContestantF2400constructive algorithms, greedyGNU C++1701 February 2021 17:13:59
1486Multithreading (Easy Version)H12900combinatorics, fft, mathClang++17 Diagnostics30 January 2021 15:51:56
1485JourneyC1500dfs and similar, dp, graphs, probabilities, treesGNU C++1703 May 2020 05:21:36
1484Longest Simple CycleC1600dp, graphs, greedyGNU C++1730 January 2021 08:50:29
1483InflationB1300binary search, brute force, greedy, mathGNU C++1730 January 2021 08:50:12
1482K-divisible SumA1000binary search, constructive algorithms, greedy, mathGNU C++1730 January 2021 08:49:47
1481Karen and CardsD2800binary search, combinatorics, data structures, geometryGNU C++1729 January 2021 11:49:00
1480Nezzar and Nice BeatmapC2200constructive algorithms, geometry, greedy, math, sortingsGNU C++1729 January 2021 08:46:46
1479Nezzar and Binary StringB1900data structures, greedyGNU C++1728 January 2021 15:27:08
1478Nezzar and BoardA1800constructive algorithms, math, number theoryGNU C++1728 January 2021 14:50:54
1477Good SubsegmentsE3000data structuresGNU C++1723 January 2021 10:18:29
1476TurtleE3100dp, implementationGNU C++1723 January 2021 07:30:47
1475K and MediansH2200constructive algorithms, greedy, mathGNU C++1722 January 2021 16:38:57
1474Down We DigDundefinedGNU C++1722 January 2021 15:58:30
1473Denouncing MafiaDundefinedGNU C++1722 January 2021 10:55:27
1472Ivan DornIundefinedGNU C++1722 January 2021 10:26:52
1471InterplanetaryIundefinedGNU C++1720 January 2021 16:37:52
1470Drazil and Morning ExerciseD2800dfs and similar, dp, dsu, trees, two pointersGNU C++1717 January 2021 19:20:49
1469Tree QueriesD2700data structures, probabilities, treesGNU C++1716 January 2021 10:36:29
1468Apollo versus PanE1800bitmasks, brute force, mathGNU C++17 (64)30 December 2020 17:22:00
1467No More InversionsC1500constructive algorithms, mathGNU C++1714 January 2021 17:50:14
1466ProgramD1700data structures, dp, implementation, stringsGNU C++1714 January 2021 15:39:16
1465String LCMB1000brute force, math, number theory, stringsGNU C++1714 January 2021 14:50:04
1464Replacing ElementsA800greedy, implementation, math, sortingsGNU C++1714 January 2021 14:37:12
1463Lucky QueriesE2400data structuresGNU C++1712 January 2021 19:28:52
1462LegacyB2300data structures, graphs, shortest pathsGNU C++1712 January 2021 18:46:58
1461Lucky ArrayE2400data structuresGNU C++1710 January 2021 17:55:23
1460Cow Tennis TournamentE2800combinatorics, data structures, mathGNU C++1710 January 2021 10:55:22
1459Maximum pathD2300dp, greedy, implementationGNU C++1709 January 2021 20:09:31
1458Radio stationsE2200binary search, data structuresGNU C++1709 January 2021 18:58:36
1457Two stringsC2100binary search, hashing, strings, two pointersGNU C++1709 January 2021 18:35:33
1456USB vs. PS/2B1400greedy, implementation, sortings, two pointersGNU C++1709 January 2021 18:14:27
1455k-th divisorA1400math, number theoryGNU C++1709 January 2021 18:08:41
1454Euclid's nightmareF2100bitmasks, dfs and similar, dsu, graphs, greedy, math, sortingsGNU C++1709 January 2021 17:28:40
1453Game On TreeG2700data structures, dfs and similar, greedy, treesGNU C++1709 January 2021 15:48:35
1452Expected Square BeautyF2500dp, math, probabilitiesGNU C++1709 January 2021 12:07:12
1451ChatteringG2900GNU C++17 (64)08 January 2021 18:19:08
1450Till I CollapseC2400data structures, divide and conquerGNU C++1708 January 2021 09:44:24
1449Nastya and an ArrayA800implementation, sortingsGNU C++17 (64)07 January 2021 13:06:58
1448The King's RaceA800implementation, mathGNU C++17 (64)07 January 2021 13:02:54
1447Success RateC1700binary search, mathGNU C++1706 January 2021 19:02:06
1446T-Shirt HuntB1300brute force, implementationGNU C++1706 January 2021 19:01:44
1445Is it rated?A900implementation, sortingsGNU C++1706 January 2021 19:01:19
1444Strange ShuffleC2500binary search, brute force, constructive algorithms, interactiveGNU C++1706 January 2021 12:20:23
1443Strange HousingF2200constructive algorithms, dfs and similar, graphs, greedyGNU C++1705 January 2021 16:22:33
1442Strange DefinitionD1900bitmasks, graphs, hashing, math, number theoryGNU C++1705 January 2021 16:07:52
1441Strange Birthday PartyC1300brute force, greedy, sortingsGNU C++1705 January 2021 14:57:03
1440Strange ListB1100brute force, greedy, implementation, mathGNU C++1705 January 2021 14:50:13
1439Strange PartitionA900greedy, math, number theoryGNU C++1705 January 2021 14:39:17
1438Conveyor BeltsD2700data structuresGNU C++1705 January 2021 09:30:28
1437Parking LotE2800data structures, divide and conquerGNU C++1705 January 2021 08:17:29
1436Moving to the CapitalG2100dfs and similar, dp, graphs, shortest pathsGNU C++1705 January 2021 05:56:43
1435New Year's PuzzleF2100brute force, dp, graph matchings, greedy, sortingsGNU C++1704 January 2021 17:15:35
1434Correct PlacementE1700binary search, data structures, dp, sortings, two pointersGNU C++1704 January 2021 17:15:28
1433Even-Odd GameD1200dp, games, greedy, sortingsGNU C++1704 January 2021 17:15:18
1432Long JumpsC1100dp, graphsGNU C++1704 January 2021 17:15:07
1431Fair DivisionB800dp, greedy, mathGNU C++1704 January 2021 17:15:02
1430Cards for FriendsA800greedy, mathGNU C++1704 January 2021 17:14:56
1429Multidimensional QueriesG2300bitmasks, data structuresGNU C++1704 January 2021 07:41:41
1428Short CodeE2200data structures, dp, greedy, strings, treesGNU C++1703 January 2021 08:27:55
1427Dasha and PhotosF2600brute force, data structures, dp, implementationGNU C++1703 January 2021 07:30:33
1426Machine LearningF2600brute force, data structuresGNU C++1703 January 2021 07:28:57
1425Max MexC2900data structures, treesGNU C++1703 January 2021 07:27:48
1424MADMAXD1700dfs and similar, dp, games, graphsGNU C++1701 January 2021 19:11:36
1423The MonsterA1200brute force, math, number theoryGNU C++1720 April 2020 06:09:34
1422Radio StationB900implementation, stringsGNU C++1701 January 2021 17:50:02
1421ElevenA800brute force, implementationGNU C++1701 January 2021 17:46:46
1420Flights for Regular CustomersD2700dp, matricesGNU C++17 (64)01 January 2021 15:02:45
141913th Labour of HeraclesD1500data structures, greedy, sortings, treesGNU C++1730 December 2020 15:35:45
1418Canine poetryC1300dp, greedy, stringsGNU C++1730 December 2020 15:15:11
1417Last minute enhancementsB800dp, greedyGNU C++1730 December 2020 14:41:32
1416Bovine DilemmaA800brute force, geometry, mathGNU C++1730 December 2020 14:38:02
1415Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh pathsD2900data structures, dfs and similar, treesGNU C++1730 December 2020 13:53:45
1414Alex and Complicated TaskE2300data structures, dp, greedyGNU C++1730 December 2020 12:59:12
1413Another Sith TournamentE2200bitmasks, dp, math, probabilitiesGNU C++1729 December 2020 17:23:44
1412Iterated Linear FunctionD1700math, number theoryGNU C++1729 December 2020 16:09:30
1411Joty and ChocolateC1600implementation, math, number theoryGNU C++1729 December 2020 15:52:58
1410The Same CalendarB1600implementationGNU C++1729 December 2020 15:50:10
1409Johny Likes NumbersA800implementation, mathGNU C++1729 December 2020 15:40:59
1408Ceil DivisionsD1700brute force, constructive algorithms, math, number theoryGNU C++1728 December 2020 17:02:41
1407Building a FenceC1600dp, greedy, implementation, two pointersGNU C++1728 December 2020 15:57:49
1406Red and BlueB1000dp, greedyGNU C++1728 December 2020 14:48:31
1405Regular Bracket SequenceB1400greedyGNU C++1719 July 2019 15:51:07
1404Tree PaintingE2100dfs and similar, dp, treesGNU C++1728 December 2020 14:05:08
1403Letters ShopB1300binary search, implementation, stringsGNU C++1728 December 2020 12:48:30
1402Vasya And ArrayC1800constructive algorithms, greedy, implementationGNU C++1728 December 2020 12:42:17
1401Stickers and ToysA900mathGNU C++1728 December 2020 12:28:13
1400Plan of LecturesE2400constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, treesGNU C++1727 December 2020 20:45:14
1399Busy RobotC1800implementationGNU C++1727 December 2020 19:08:11
1398PairsB1500graphs, implementationGNU C++1719 January 2020 12:06:01
1397DungeonA1100binary search, mathGNU C++1727 December 2020 18:20:10
1396Up and Down the TreeF2500dfs and similar, dp, treesGNU C++1727 December 2020 07:24:17
1395Three PiecesD2200dfs and similar, dp, shortest pathsGNU C++1726 December 2020 20:15:41
1394Make It EqualC1600greedyGNU C++1726 December 2020 18:54:52
1393Vasya and Isolated VerticesB1300constructive algorithms, graphsGNU C++1726 December 2020 18:45:15
1392Vasya and ChocolateA800implementation, mathGNU C++1726 December 2020 18:36:31
1391Machine GunMundefinedGNU C++1726 December 2020 15:18:39
1390Santa Clauses and a Soccer ChampionshipF2300constructive algorithms, dfs and similar, graphs, treesGNU C++1725 December 2020 18:05:33
1389Santa Claus and RobotC1400constructive algorithms, mathGNU C++1725 December 2020 16:59:13
1388Santa Claus and Keyboard CheckB1500implementation, stringsGNU C++1725 December 2020 16:38:14
1387Santa Claus and a Place in a ClassA800implementation, mathGNU C++1725 December 2020 16:29:15
1386Sequence and SwapsD1600dp, greedy, sortingsGNU C++1725 December 2020 12:33:53
1385Ping-pongC1100constructive algorithms, games, mathGNU C++1725 December 2020 12:14:59
1384JumpsB1200constructive algorithms, mathGNU C++1725 December 2020 12:04:23
1383Strange FunctionsA800math, number theoryGNU C++1725 December 2020 11:47:25
1382Stranger TreesD2600dp, math, matrices, treesGNU C++1725 December 2020 11:27:04
1381Three ArraysAundefinedGNU C++1724 December 2020 18:20:12
1380Tree Cutting (Hard Version)F22700combinatorics, dfs and similar, dp, treesGNU C++1723 December 2020 12:15:17
1379Shaass the GreatE2300dp, treesGNU C++1723 December 2020 08:26:30
1378ArtworkAundefinedGNU C++1722 December 2020 17:21:41
1377Case of a Top SecretD2500binary search, implementation, mathGNU C++1721 December 2020 19:51:51
1376Keep Calm and Sell BalloonsKundefinedGNU C++1721 December 2020 09:07:19
1375Simple Cycles EdgesF2400dfs and similar, graphs, treesGNU C++1721 December 2020 05:34:24
1374Peaceful RooksA1700constructive algorithms, dfs and similar, dsu, graphsGNU C++1720 December 2020 16:47:15
1373XOR-gunB2000bitmasks, brute force, constructive algorithms, mathGNU C++1720 December 2020 12:53:23
1372Bouncing BallA1400brute force, dp, implementationGNU C++1720 December 2020 12:25:51
1371Vasya and TemplatesC2300constructive algorithms, greedy, implementation, stringsGNU C++1720 December 2020 11:20:36
1370Minimum Diameter TreeB1700greedy, implementation, treesGNU C++1720 December 2020 11:19:16
1369Connect ThreeA1600greedy, implementationGNU C++1720 December 2020 11:18:27
1368Glass Half SpilledB2000dpGNU C++1719 December 2020 11:14:43
1367Row GCDA1600math, number theoryGNU C++1719 December 2020 10:15:53
1366Make It IncreasingE2200binary search, constructive algorithms, data structures, dp, implementationGNU C++1716 December 2020 12:44:38
1365Close VerticesE2700data structures, divide and conquer, treesGNU C++1714 December 2020 09:34:09
1364Digit TreeC2700dfs and similar, divide and conquer, dsu, treesGNU C++1713 December 2020 15:15:45
1363Palindromes in a TreeE2400bitmasks, data structures, divide and conquer, treesGNU C++1712 December 2020 19:12:35
1362Ciel the CommanderC2100constructive algorithms, dfs and similar, divide and conquer, greedy, treesGNU C++1706 October 2020 10:36:03
1361Mahmoud and a xor tripE2100bitmasks, constructive algorithms, data structures, dfs and similar, dp, math, treesGNU C++1712 April 2020 08:55:18
1360Xenia and TreeE2400data structures, divide and conquer, treesGNU C++1728 February 2020 09:15:37
1359Tricky PasswordE3100data structuresGNU C++17 (64)11 December 2020 21:32:45
1358New Year TreeF2400data structures, divide and conquer, treesGNU C++1711 December 2020 18:18:43
1357Divide and SummarizeD1600binary search, brute force, data structures, divide and conquer, implementation, sortingsGNU C++1711 December 2020 17:41:07
1356Random EventsC1500dp, math, probabilitiesGNU C++1711 December 2020 17:40:54
1355Find the SpruceB1400brute force, dp, implementationGNU C++1711 December 2020 17:40:42
1354String GenerationA800constructive algorithms, greedyGNU C++1711 December 2020 17:40:30
1353BargainC1700combinatorics, dp, mathGNU C++1711 December 2020 17:40:12
1352Fedor and couponsD2100binary search, data structures, greedy, sortingsGNU C++1711 December 2020 17:39:31
1351Ilya and tic-tac-toe gameB1100brute force, implementationGNU C++1711 December 2020 17:39:13
1350Lesha and array splittingA1200constructive algorithms, greedy, implementationGNU C++1711 December 2020 17:39:00
1349Kefa and CompanyB1500binary search, sortings, two pointersGNU C++1711 December 2020 17:38:45
1348Duff and Weight LiftingA1500greedyGNU C++1711 December 2020 17:38:29
1347NP-Hard ProblemA1500dfs and similar, graphsGNU C++1711 December 2020 17:38:16
1346Divisibility by EightC1500brute force, dp, mathGNU C++1711 December 2020 17:38:02
1345Two SubstringsA1500brute force, dp, greedy, implementation, stringsGNU C++1711 December 2020 17:37:47
1344The Artful ExpedientA1100brute force, implementationJavaScript11 December 2020 17:37:24
1343PLEASEC2000combinatorics, dp, implementation, math, matricesGNU C++1711 December 2020 17:36:55
1342PuzzlesB1700dfs and similar, math, probabilities, treesGNU C++1711 December 2020 17:36:42
1341Lorenzo Von MatterhornA1500brute force, data structures, implementation, treesGNU C++1711 December 2020 17:36:29
1340Round CorridorC1400math, number theoryGNU C++1711 December 2020 17:36:12
1339Block AdventureB1200dp, greedyGNU C++1711 December 2020 17:36:00
1338HotelierA800brute force, data structures, implementationGNU C++1711 December 2020 17:35:43
1337Repainting StreetB1100brute force, greedyGNU C++1711 December 2020 17:35:26
1336Prison BreakA800brute force, mathGNU C++1711 December 2020 17:35:04
1335Unique Bid AuctionB800implementationGNU C++1711 December 2020 17:34:04
1334Special PermutationG1600constructive algorithmsGNU C++1709 May 2020 16:48:26
1333Two BracketsC800greedyGNU C++1711 December 2020 17:33:21
1332Robot ProgramA800mathGNU C++1711 December 2020 17:33:09
1331k-Amazing NumbersC1500data structuresGNU C++1711 December 2020 17:32:53
1330Two ArraysC1600combinatorics, dpGNU C++1719 January 2020 07:18:35
1329Juggling LettersA800greedy, stringsGNU C++1711 December 2020 17:32:09
1328ZigzagsD1900brute force, combinatorics, data structures, math, two pointersGNU C++1711 December 2020 17:31:41
1327Substring Removal GameB800games, greedy, sortingsGNU C++1711 December 2020 17:31:26
1326Cyclic Permutations C1500combinatorics, dp, graphs, mathGNU C++1711 December 2020 17:31:03
1325Fix YouB800brute force, greedy, implementationGNU C++1711 December 2020 17:30:49
1324Rarity and New DressD2100dfs and similar, dp, implementation, shortest pathsGNU C++1711 December 2020 17:30:10
1323Koa and the Beach (Easy Version)B11900brute force, dp, greedyGNU C++1711 December 2020 17:29:29
1322UnmergeB1800dpGNU C++1722 July 2020 06:02:03
1321Prefix Flip (Easy Version)A11300constructive algorithms, data structures, stringsGNU C++1722 July 2020 06:01:39
1320Prefix Flip (Hard Version)A21700constructive algorithms, data structures, implementation, strings, two pointersGNU C++1722 July 2020 06:01:48
1319Sequential NimB1100dp, gamesGNU C++1711 December 2020 17:28:13
1318Common SubsequenceA800brute forceGNU C++1711 December 2020 17:27:56
1317PolygonE1300dp, graphs, implementation, shortest pathsGNU C++1711 December 2020 17:27:06
1316Buying ShovelsD1300math, number theoryGNU C++1711 December 2020 17:26:48
1315Similar PairsC1100constructive algorithms, graph matchings, greedy, sortingsGNU C++1711 December 2020 17:26:32
1314Honest CoachB800greedy, sortingsGNU C++1711 December 2020 17:26:15
1313Minimal SquareA800greedy, mathGNU C++17 (64)11 December 2020 17:25:39
1312Bear and CavalryD3000data structures, divide and conquer, dpGNU C++17 (64)10 December 2020 20:20:20
1311Vladik and Entertaining FlagsE2600data structures, dsu, graphsGNU C++1708 December 2020 17:39:41
1310Dominant IndicesF2300data structures, dsu, treesGNU C++1707 December 2020 14:40:23
1309Errich-Tac-Toe (Hard Version)C22300constructive algorithms, mathGNU C++1706 December 2020 19:35:59
1308Errich-Tac-Toe (Easy Version)C12100constructive algorithms, mathGNU C++1706 December 2020 17:01:51
1307Rating CompressionD1800binary search, data structures, greedy, implementation, two pointersGNU C++1706 December 2020 16:13:01
1306Balls of SteelB1000brute force, geometry, greedyGNU C++1706 December 2020 14:48:43
1305Avoid TrygubA800constructive algorithms, sortingsGNU C++1706 December 2020 14:36:11
1304Road ProblemH2100graphsGNU C++1705 December 2020 21:03:51
1303Bear and Bad Powers of 42E3100data structuresGNU C++1704 December 2020 18:40:42
1302CheckpointsD1900brute force, constructive algorithms, greedy, math, probabilitiesGNU C++1704 December 2020 15:17:15
1301Suffix OperationsB1400constructive algorithms, implementationGNU C++1704 December 2020 14:42:58
1300Cancel the TrainsA800implementationGNU C++1704 December 2020 13:08:05
1299Bitwise Queries (Hard Version)E22300bitmasks, constructive algorithms, interactive, mathGNU C++1704 December 2020 10:13:11
1298Julia the snailF3000data structures, divide and conquer, dpGNU C++17 (64)02 December 2020 15:44:08
1297Maximum Control (medium)B22200data structures, dfs and similar, graphs, greedy, treesGNU C++1702 December 2020 10:09:26
1296ArchaeologyE3100data structures, dfs and similar, treesGNU C++1701 December 2020 18:54:18
1295Choosing Subtree is FunD2600binary search, data structures, dfs and similar, trees, two pointersGNU C++1730 November 2020 20:53:42
1294Bitwise FormulaB1800bitmasks, brute force, dfs and similar, expression parsing, implementationGNU C++17 (64)29 November 2020 18:12:31
1293String GameA1700binary search, greedy, stringsGNU C++1729 November 2020 17:22:26
1292Restoring the ExpressionF2300brute force, hashing, mathGNU C++1729 November 2020 15:43:57
1291Vanya and Computer GameD1800binary search, implementation, math, sortingsGNU C++1728 November 2020 17:55:38
1290Equivalent StringsD1700hashing, implementation, stringsGNU C++1728 November 2020 17:55:22
1289Mike and FrogA2200brute force, greedy, implementation, mathGNU C++17 (64)28 November 2020 17:55:02
1288Amr and ChemistryC1900brute force, graphs, greedy, math, shortest pathsGNU C++1727 November 2020 20:04:22
1287Jzzhu and ChocolateC1700greedy, implementationGNU C++1727 November 2020 20:04:12
1286Two SetsB20002-sat, dfs and similar, dsu, graph matchings, greedyGNU C++1727 November 2020 20:04:01
1285Mike and FeetB1900binary search, data structures, dp, dsuGNU C++1729 February 2020 12:50:05
1284SumD1900greedy, mathGNU C++1727 November 2020 20:03:41
1283Hacking CypherC1700brute force, math, number theory, stringsGNU C++1727 November 2020 20:03:25
1282Vasya and ChessD1700constructive algorithms, games, mathGNU C++1727 November 2020 20:03:15
1281Mahmoud and Ehab and the final stageF2900data structures, stringsGNU C++17 (64)22 November 2020 18:13:54
1280Consistent OccurrencesKundefinedGNU C++1725 November 2020 21:23:46
1279Anthem of BerlandG2300dp, stringsGNU C++1725 November 2020 19:42:46
1278Duff in MafiaD31002-sat, binary searchGNU C++1723 November 2020 19:38:30
1277Cowmpany CowmpensationF2700combinatorics, dp, math, treesGNU C++1722 November 2020 20:41:00
1276Kefa and DishesD1800bitmasks, dpGNU C++1722 November 2020 18:33:28
1275Little Elephant and LCMC2000binary search, combinatorics, dp, mathGNU C++1722 November 2020 18:32:57
1274Painting FenceC1900divide and conquer, dp, greedyGNU C++1722 November 2020 18:32:28
1273Pashmak and GraphE1900dp, sortingsGNU C++1722 November 2020 18:31:31
1272The ImpKundefinedGNU C++17 (64)21 November 2020 19:48:52
1271Bitwise Queries (Easy Version)E12000bitmasks, constructive algorithms, interactive, mathGNU C++1721 November 2020 16:01:10
1270Circle GameD1700games, geometry, mathPyPy 321 November 2020 15:24:06
1269String EqualityC1400dp, greedy, hashing, implementation, stringsGNU C++1721 November 2020 15:00:10
1268Non-Substring SubsequenceB900dp, greedy, implementation, stringsGNU C++1721 November 2020 14:47:41
1267Subtract or DivideA800greedy, mathGNU C++1721 November 2020 14:41:18
1266BallD2400data structures, sortingsGNU C++1715 September 2020 08:36:33
1265Magic multisetsG2500data structuresGNU C++1714 November 2020 18:13:23
1264Ring Road 2D22002-sat, dfs and similar, dsu, graphsGNU C++1722 September 2020 06:26:04
1263Axel and Marston in BitlandF2400bitmasks, dp, graphs, matricesGNU C++1718 November 2020 14:54:18
1262Binary Table (Hard Version)C21900constructive algorithms, implementationGNU C++1717 November 2020 15:25:42
1261Binary Table (Easy Version)C11500constructive algorithms, implementationGNU C++1717 November 2020 15:25:25
1260Sum of MediansB900greedy, mathGNU C++1717 November 2020 14:46:05
1259Buy the StringA800implementation, mathGNU C++1717 November 2020 14:37:37
1258CIA DatacenterCundefinedGNU C++1716 November 2020 05:31:37
1257Equal DigitsEundefinedGNU C++1716 November 2020 06:19:17
1256GenealogyGundefinedGNU C++1716 November 2020 09:10:50
1255Advanced 2048AundefinedGNU C++1716 November 2020 07:15:07
1254FriendsFundefinedGNU C++1716 November 2020 06:01:26
1253Do it Right!DundefinedGNU C++1716 November 2020 04:59:50
1252Catching CheatersD1800dp, greedy, stringsGNU C++1715 November 2020 18:56:35
1251KnapsackC1300constructive algorithms, greedy, math, sortingsGNU C++1715 November 2020 15:09:48
1250Numbers BoxB1000greedy, mathGNU C++1715 November 2020 14:41:21
1249Add CandiesA800constructive algorithms, mathGNU C++1715 November 2020 14:37:19
1248Mr. Panda and Fantastic BeastsFundefinedGNU C++1115 November 2020 13:04:51
1247DZY Loves ColorsC2400data structuresGNU C++1706 August 2020 16:02:03
1246Zublicanes and MumocratesF2400dp, trees, two pointersGNU C++1713 November 2020 20:39:26
1245Bacterial MeleeD2400brute force, combinatorics, dp, string suffix structuresGNU C++1713 November 2020 19:22:48
1244Engineer ArtemC20002-sat, chinese remainder theorem, constructive algorithms, fft, flowsGNU C++1713 November 2020 14:49:50
1243Valerii Against EveryoneB1000constructive algorithms, data structures, greedy, sortingsGNU C++1713 November 2020 14:44:46
1242Specific Tastes of Andre A800constructive algorithms, implementationGNU C++1713 November 2020 14:36:28
1241Roads and RamenD2800data structures, dfs and similar, treesGNU C++1713 November 2020 13:32:17
1240QueueG2300data structuresGNU C++1712 November 2020 19:11:25
1239Dynamic DiameterBundefined*special, data structures, dfs and similar, divide and conquer, treesGNU C++1712 November 2020 18:11:03
1238Tree Generator™C2700data structures, implementation, treesGNU C++1712 November 2020 17:05:40
1237World TourB2000graphs, shortest pathsGNU C++1712 November 2020 08:27:00
1236Reberland LinguisticsA1800dp, implementation, stringsGNU C++1712 November 2020 07:16:43
1235Three ReligionsD2200dp, stringsGNU C++1711 November 2020 20:11:18
1234Prefix Sum PrimesC1200constructive algorithms, greedy, math, number theoryGNU C++1711 November 2020 18:46:05
1233Tiling ChallengeB900greedy, implementationGNU C++1711 November 2020 18:45:40
1232Stock ArbitragingA800greedy, implementationGNU C++1711 November 2020 18:45:04
1231Session in BSUF2400binary search, dfs and similar, dsu, graph matchings, graphsGNU C++1722 October 2020 12:26:32
1230Binary Suffix ArrayBundefinedGNU C++1711 November 2020 16:28:31
1229CluesD2500combinatorics, graphsGNU C++1711 November 2020 14:14:10
1228Paper taskF2600data structures, string suffix structures, stringsGNU C++1708 November 2020 18:34:10
1227Double KnapsackF3000constructive algorithms, two pointersGNU C++1711 November 2020 07:55:23
1226k-d-sequenceE3100data structuresGNU C++1710 November 2020 18:44:32
1225Fake News (hard)I2300string suffix structuresGNU C++1709 November 2020 18:30:55
1224Forbidden IndicesF2400dsu, string suffix structures, stringsGNU C++1709 November 2020 16:18:19
1223Financiers GameF2500dpGNU C++1709 November 2020 13:25:04
1222Three stringsE2400data structures, dsu, string suffix structures, stringsGNU C++1709 November 2020 07:22:33
1221StringD2300string suffix structuresGNU C++1708 November 2020 14:55:39
1220Choosing BallsC2000dpGNU C++1708 November 2020 09:19:52
1219Good SequencesB1500dp, number theoryGNU C++1708 November 2020 08:21:15
1218Escape from StonesA1200constructive algorithms, data structures, implementation, two pointersGNU C++1708 November 2020 07:53:21
1217Bear and CompanyD2500dpGNU C++1706 November 2020 18:22:23
1216Instant MessangerDundefineddata structuresGNU C++1705 November 2020 14:02:07
1215Time to Raid CowavansD2100brute force, data structures, sortingsGNU C++1705 November 2020 07:16:02
1214Extreme SubtractionD1800dp, greedy, mathGNU C++1702 November 2020 15:52:47
1213The Delivery DilemmaC1400binary search, greedy, sortingsGNU C++1702 November 2020 14:53:40
1212Saving the CityB1300dp, greedy, math, sortingsGNU C++1702 November 2020 14:49:30
1211Kids SeatingA800constructive algorithms, mathGNU C++1702 November 2020 14:40:46
1210Divide and SumD1900combinatorics, math, sortingsGNU C++1701 November 2020 12:45:36
1209DivisionC1500math, number theoryGNU C++1701 November 2020 11:46:15
1208EliminationA1500dp, implementation, mathGNU C++1123 December 2019 15:46:53
1207Array RearrangmentA800greedy, sortingsGNU C++1701 November 2020 11:07:19
1206Vika and SegmentsD2300constructive algorithms, data structures, geometry, two pointersGNU C++1730 October 2020 15:00:45
1205The BakeryB2200binary search, data structures, divide and conquer, dp, two pointersGNU C++1730 October 2020 15:00:44
1204AI robotsG2200data structuresGNU C++1730 October 2020 15:00:42
1203Power TreeD2600data structures, treesGNU C++1728 October 2020 17:51:46
1202Linear Kingdom RacesE2400data structures, dpGNU C++1728 October 2020 14:36:05
1201Array RestorationD1700constructive algorithms, data structuresGNU C++1728 October 2020 07:08:06
1200Kefa and WatchE2500data structures, hashing, stringsGNU C++1727 October 2020 20:56:41
1199EncodingF2400hashing, string suffix structures, stringsGNU C++1726 October 2020 17:56:30
1198Double ProfilesC2300graphs, hashing, sortingsGNU C++1726 October 2020 14:24:33
1197Unshuffling a DeckD2000constructive algorithms, implementationGNU C++1725 October 2020 17:04:09
1196Perform EasilyC1900brute force, data structures, dp, sortings, two pointersGNU C++1725 October 2020 15:41:05
1195ShurikensD1700data structures, greedy, schedulesGNU C++1725 October 2020 12:01:44
1194A New TechniqueB1100constructive algorithms, implementationGNU C++1725 October 2020 11:23:43
1193Finding SasukeA800mathGNU C++1725 October 2020 11:08:51
1192Bouncing BoomerangsD1900constructive algorithms, greedy, implementationGNU C++1725 October 2020 09:48:58
1191String DeletionD1700binary search, data structures, greedy, two pointersGNU C++1725 October 2020 08:52:05
1190PalindromifierC1400constructive algorithms, stringsGNU C++1725 October 2020 08:25:28
1189Prefixes and SuffixesD2000dp, string suffix structures, strings, two pointersGNU C++1725 October 2020 07:52:11
1188Binary SearchC1500binary search, combinatoricsGNU C++1725 October 2020 06:28:45
1187Bandit in a CityD1900binary search, dfs and similar, graphs, greedy, treesGNU C++1724 October 2020 15:58:00
1186Prime SquareB900constructive algorithms, mathGNU C++1724 October 2020 14:50:14
1185ReorderA800mathGNU C++1724 October 2020 14:08:25
1184Leha and security systemF2800data structuresGNU C++1723 October 2020 14:32:47
1183Fafa and ArrayF2600data structures, greedyGNU C++1722 October 2020 20:32:28
1182Army CreationE2200binary search, data structuresGNU C++1722 October 2020 13:40:05
1181Alphabet PermutationsE2500data structures, stringsGNU C++1721 October 2020 16:25:45
1180REQD2500data structures, number theoryGNU C++1721 October 2020 11:24:49
1179Traffic Jams in the LandD2400data structures, dp, number theoryGNU C++1720 October 2020 19:47:53
1178Circle ColoringA800constructive algorithmsGNU C++1720 October 2020 18:26:42
1177Copy-pasteA800greedy, mathGNU C++1720 October 2020 18:26:29
1176Cubes SortingA900math, sortingsGNU C++1720 October 2020 18:26:20
1175Digit GameA900games, greedy, implementationGNU C++1720 October 2020 18:26:07
1174String SimilarityA800constructive algorithms, stringsGNU C++1720 October 2020 18:25:52
1173Omkar and PasswordA800greedy, mathGNU C++1720 October 2020 18:25:35
1172Bad TriangleA800geometry, mathGNU C++1720 October 2020 18:25:18
1171Boboniu Likes to Color BallsA1000brute force, mathGNU C++1720 October 2020 18:25:04
1170SuborraysA800constructive algorithms, mathGNU C++1720 October 2020 18:24:48
1169Rainbow Dash, Fluttershy and Chess ColoringA800greedy, mathGNU C++1720 October 2020 18:24:39
1168Lucky ArraysE2400data structuresGNU C++1719 October 2020 18:20:37
1167Captain Flint and Crew RecruitmentA800brute force, greedy, math, number theoryGNU C++1719 October 2020 09:14:19
1166LCM ProblemA800constructive algorithms, greedy, math, number theoryGNU C++1719 October 2020 09:14:07
1165Common PrefixesA1200constructive algorithms, greedy, stringsGNU C++1719 October 2020 09:13:50
1164Acacius and StringA1500brute force, implementation, stringsGNU C++1719 October 2020 09:13:36
1163Three IndicesA900brute force, data structuresGNU C++1719 October 2020 09:13:19
1162Omkar and CompletionA800constructive algorithms, implementationGNU C++1719 October 2020 09:13:09
1161Sign FlippingA1100constructive algorithms, mathGNU C++1719 October 2020 09:12:55
1160Magical SticksA800mathGNU C++1719 October 2020 09:12:45
1159XXXXXA1200brute force, data structures, number theory, two pointersGNU C++1719 October 2020 09:12:31
1158FashionabLeeA800geometry, mathGNU C++1719 October 2020 07:45:15
1157Maximum GCDA800greedy, implementation, math, number theoryGNU C++1719 October 2020 07:44:55
1156Donut ShopsA1000greedy, implementation, mathGNU C++1719 October 2020 07:44:39
1155C+=A800brute force, greedy, implementation, mathGNU C++1719 October 2020 07:44:26
1154Shovels and SwordsA1100binary search, greedy, mathGNU C++1719 October 2020 07:44:13
1153FreeDivD2200dfs and similar, graphs, greedyGNU C++1719 October 2020 07:43:39
1152Jeff and Removing PeriodsD2700data structuresGNU C++1718 October 2020 16:56:27
1151Putting Bricks in the WallB1100constructive algorithms, implementationGNU C++1718 October 2020 09:15:06
1150XORwiceA800bitmasks, greedy, mathGNU C++1718 October 2020 09:06:45
1149MEX QueriesF2300binary search, data structures, treesGNU C++1718 October 2020 06:39:19
1148ABBBC1100brute force, data structures, greedy, stringsGNU C++1717 October 2020 13:24:55
1147Belted RoomsB1200graphs, implementationGNU C++1717 October 2020 13:20:14
1146Box is PullA800mathGNU C++1717 October 2020 13:08:33
1145Shave Beaver!B21900data structuresGNU C++1716 October 2020 11:22:30
1144Domino PrincipleE2200binary search, data structures, sortingsGNU C++1716 October 2020 08:04:05
1143Optimize!E2600data structuresGNU C++1715 October 2020 19:22:02
1142Misha and Permutations SummationD2000data structuresGNU C++1715 October 2020 17:25:25
1141MultisetD1900binary search, data structuresGNU C++1717 May 2020 10:39:43
1140Copying DataE1900data structuresGNU C++1715 October 2020 12:12:43
1139Knight TournamentA1500data structures, dsuGNU C++1715 October 2020 11:48:35
1138Maxim and MatrixC2000constructive algorithms, dp, mathGNU C++1714 October 2020 18:06:11
1137Maxim and RestaurantB1900dp, math, probabilitiesGNU C++1714 October 2020 17:06:46
1136Maxim and DiscountsA1400greedy, sortingsGNU C++1714 October 2020 16:03:01
1135On Sum of Number of Inversions in PermutationsDundefinedcombinatorics, mathGNU C++1714 October 2020 15:28:43
1134LIS of SequenceE2200data structures, dp, greedy, hashing, mathGNU C++1714 October 2020 13:19:04
1133XOR on SegmentE2000bitmasks, data structuresGNU C++1713 October 2020 18:36:11
1132Sereja and BracketsC2000data structures, schedulesGNU C++1713 October 2020 17:19:39
1131Ray TracingC1800greedy, hashing, implementation, math, number theory, sortingsGNU C++1712 October 2020 13:43:05
1130Batch SortB1500brute force, greedy, implementation, mathGNU C++1712 October 2020 12:47:12
1129Checking the CalendarA1000implementationGNU C++1712 October 2020 12:33:07
1128Dense SubsequenceD1900data structures, greedy, stringsGNU C++1712 October 2020 12:30:59
1127Hamiltonian Spanning TreeD2200dfs and similar, dp, graph matchings, greedy, treesGNU C++1711 October 2020 19:51:12
1126ConstellationC1600geometry, implementationGNU C++1711 October 2020 18:57:52
1125Guess the PermutationB1100constructive algorithmsGNU C++1711 October 2020 18:14:54
1124Slime CombiningA800implementationGNU C++1711 October 2020 18:09:04
1123Numbers on WhiteboardC1000constructive algorithms, data structures, greedy, implementation, mathGNU C++1711 October 2020 09:19:36
1122BarrelsB800greedy, implementation, sortingsGNU C++1711 October 2020 09:13:38
1121Number of ApartmentsA900brute force, constructive algorithms, mathGNU C++1711 October 2020 09:10:18
1120The Hard Work of PaparazziC2000dpGNU C++1710 October 2020 16:03:49
1119Chess CheaterB1400greedy, implementation, sortingsGNU C++1710 October 2020 15:20:58
1118Avoiding ZeroA900math, sortingsGNU C++1710 October 2020 14:53:45
1117Blood CousinsE2100binary search, data structures, dfs and similar, treesGNU C++1709 October 2020 17:39:56
1116FlightsE2600graphs, shortest pathsGNU C++1709 October 2020 14:28:35
1115Propagating treeC2000data structures, dfs and similar, treesGNU C++1708 October 2020 20:03:44
1114Tree and QueriesD2400data structures, dfs and similar, treesGNU C++1708 October 2020 19:56:13
1113Trains and StatisticE2300data structures, dp, greedyGNU C++1708 October 2020 15:08:15
1112Powerful arrayD2200data structures, implementation, math, two pointersGNU C++1708 October 2020 09:17:33
1111On Changing TreeCundefineddata structures, graphs, treesGNU C++1706 October 2020 09:11:18
1110Alyona and a treeB1900binary search, data structures, dfs and similar, graphs, treesGNU C++1706 October 2020 07:26:07
1109Camping GroupsE2600data structures, sortingsGNU C++1706 October 2020 07:01:48
1108Valuable PaperB1900binary search, flows, graph matchings, graphsGNU C++1705 October 2020 15:26:39
1107Nice MatrixB1300greedy, implementation, mathGNU C++1704 October 2020 17:06:54
1106FenceA800geometry, mathGNU C++1704 October 2020 16:07:13
1105Inversions After ShuffleE2400data structures, probabilitiesGNU C++1704 October 2020 15:56:37
1104CookiesF2400binary search, data structures, dfs and similar, dp, games, treesGNU C++1703 October 2020 10:19:12
1103FountainsC1800binary search, data structures, implementationGNU C++1702 October 2020 13:45:27
1102BusesB1700binary search, data structures, dpGNU C++1702 October 2020 13:45:04
1101Ehab and another another xor problemD2000bitmasks, constructive algorithms, implementation, interactiveGNU C++1702 October 2020 09:34:27
1100Pashmak and Parmida's problemD1800data structures, divide and conquer, sortingsGNU C++1701 October 2020 18:19:26
1099Hanoi FactoryE2000brute force, data structures, dp, greedy, sortingsGNU C++1701 October 2020 17:47:40
1098Huge Boxes of Animal ToysH1300constructive algorithmsGNU C++1727 September 2020 05:47:01
1097Arena of GreedA1400games, greedyGNU C++1727 September 2020 05:31:14
1096Flamingoes of MysteryF1400interactiveGNU C++1727 September 2020 05:19:52
1095Radio StationsF27002-satGNU C++1723 September 2020 20:43:28
1094The Potion of Great PowerA2400*special, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointersGNU C++1723 September 2020 11:54:10
1093Catowice CityD24002-sat, dfs and similar, graph matchings, graphsGNU C++1722 September 2020 09:00:37
1092The Road to Berland is Paved With Good IntentionsE19002-sat, dfs and similar, dsu, graphsGNU C++1721 September 2020 09:31:37
1091Minimal Segment CoverE2200data structures, dfs and similar, divide and conquer, dp, greedy, implementation, treesGNU C++1719 September 2020 10:42:54
1090Love TrianglesC2200dfs and similar, dsu, graphsGNU C++1719 September 2020 08:26:25
1089The CoronationE2300graphs, implementationGNU C++1718 September 2020 16:10:53
1088Stressful TrainingD2300binary search, greedyGNU C++1718 September 2020 09:33:36
1087Substitutes in NumberC2100dpGNU C++1718 September 2020 07:51:31
1086Olesya and RodionA1000mathGNU C++1718 September 2020 06:44:42
1085Kolya and Tanya B1500combinatoricsGNU C++1718 September 2020 06:42:13
1084Boxes And BallsD2300data structures, greedyGNU C++1716 September 2020 14:42:18
1083Beautiful RectangleC2300brute force, combinatorics, constructive algorithms, data structures, greedy, mathGNU C++1716 September 2020 06:40:07
1082Negative PrefixesB1300greedy, sortingsGNU C++1714 September 2020 19:14:44
1081Buying TorchesA1000mathGNU C++1714 September 2020 19:13:05
1080Little Artem and Time MachineE2000data structuresGNU C++1707 August 2020 14:02:44
1079Discrete Centrifugal JumpsD2200data structures, dp, graphsGNU C++1713 September 2020 17:11:36
1078Three SequencesD2200constructive algorithms, data structures, greedy, mathGNU C++1713 September 2020 13:27:10
1077Marina and VasyaC1700constructive algorithms, greedy, stringsGNU C++1713 September 2020 08:00:12
1076Link Cut CentroidsC1700constructive algorithms, dfs and similar, graphs, treesGNU C++1712 September 2020 14:05:21
1075Maximum ProductB1200brute force, dp, greedy, implementation, sortingsGNU C++1712 September 2020 13:52:33
1074Subset MexA900greedy, implementation, mathGNU C++1712 September 2020 13:47:18
1073Andrew and TaxiE2200binary search, dfs and similar, graphsGNU C++1712 September 2020 11:55:25
1072Broken BSTD2100data structures, dfs and similarGNU C++1712 September 2020 09:19:33
1071Yet Another Division Into TeamsE2000dp, greedy, sortingsGNU C++1712 September 2020 07:52:56
1070Weights Division (easy version)E12000data structures, dfs and similar, greedy, treesGNU C++1711 September 2020 14:51:49
1069Inna and Pink PonyA2000greedy, implementationGNU C++1711 September 2020 14:29:02
1068Maximum Distributed TreeD1800dfs and similar, dp, greedy, implementation, math, number theory, sortings, treesGNU C++1711 September 2020 12:03:38
1067Mere ArrayC1300constructive algorithms, math, number theory, sortingsGNU C++1711 September 2020 12:03:12
1066Ternary SequenceB1100constructive algorithms, greedy, mathGNU C++1711 September 2020 12:02:56
1065Distance and AxisA900constructive algorithms, mathGNU C++1711 September 2020 12:02:30
1064Magical BoxesA1600greedy, mathGNU C++1711 September 2020 08:42:01
1063Tree TagB1900dfs and similar, dp, games, treesGNU C++1711 September 2020 08:16:31
1062Stoned GameB1800brute force, constructive algorithms, games, greedyGNU C++1711 September 2020 08:16:09
1061Multiples of LengthA1600constructive algorithms, greedy, number theoryGNU C++1710 September 2020 13:15:07
1060Dima and LisaD1800brute force, math, number theoryGNU C++1710 September 2020 13:14:40
1059George and CardsE2200binary search, data structuresGNU C++1709 September 2020 16:32:15
1058Recovering BSTD2100brute force, dp, math, number theory, treesGNU C++1709 September 2020 16:31:53
1057Maximum SubrectangleC1600binary search, implementation, two pointersGNU C++1709 September 2020 16:31:23
1056Good StringC1300greedyGNU C++1709 September 2020 16:31:07
1055IQ testA1300brute forceGNU C++1709 September 2020 16:30:50
1054Chocolate BunnyC1600constructive algorithms, interactive, math, two pointersGNU C++1708 September 2020 15:33:43
1053Big VovaB1300brute force, greedy, math, number theoryGNU C++1708 September 2020 14:59:07
1052AhahahahahahahahaA1100constructive algorithms, mathGNU C++1708 September 2020 14:46:46
1051Balanced BitstringA1500implementation, stringsGNU C++1706 September 2020 14:50:34
1050Tourist ReformF2300dfs and similar, graphsGNU C++1705 September 2020 12:24:14
1049Delete a SegmentE2300brute force, constructive algorithms, data structures, dp, graphs, sortings, trees, two pointersGNU C++1704 September 2020 07:04:04
1048Clearing UpE2300constructive algorithms, dp, dsu, graphsGNU C++1703 September 2020 08:42:19
1047Chemistry in BerlandE2300dfs and similar, greedy, treesGNU C++1702 September 2020 18:14:42
1046Game with moduloB2000binary search, constructive algorithms, interactiveGNU C++1701 September 2020 08:02:55
1045Grid gameA1400constructive algorithms, implementationGNU C++1701 September 2020 08:02:34
1044Restore Cube B2000brute force, geometryGNU C++1701 September 2020 05:21:35
1043No to Palindromes!A1700greedy, stringsGNU C++1701 September 2020 05:21:17
1042Queue in the TrainC2300data structures, greedy, implementationGNU C++1731 August 2020 11:51:16
1041Glad to see you!B2200binary search, interactiveGNU C++1731 August 2020 10:13:09
1040Do you want a date?A1500implementation, math, sortingsGNU C++1731 August 2020 10:10:19
1039Board GameC1700games, greedy, implementation, mathGNU C++1728 July 2019 15:27:49
1038Pudding MonstersF3000data structures, divide and conquerGNU C++1725 August 2020 07:20:32
1037The Child and SequenceD2300data structures, mathGNU C++1723 August 2020 16:27:44
1036Cup TrickD2200data structuresGNU C++1722 August 2020 07:31:02
1035Developing GameD2400data structuresGNU C++1720 August 2020 13:36:49
1034TorCoderF2600data structuresGNU C++1718 August 2020 08:33:37
1033A Simple TaskD2200bitmasks, dp, graphsGNU C++1707 April 2020 13:18:52
1032Yaroslav and DivisorsD2200data structuresGNU C++1717 August 2020 12:49:14
1031SubsequencesC1900data structures, dpGNU C++1714 August 2020 15:10:26
1030Little Girl and Problem on TreesE2100data structures, graphs, treesGNU C++1713 August 2020 19:02:47
1029Water TreeD2100data structures, dfs and similar, graphs, treesGNU C++1713 August 2020 19:02:27
1028Xenia and Bit OperationsD1700data structures, treesGNU C++1711 August 2020 17:06:09
1027Subset SumsC2500brute force, data structuresGNU C++1710 August 2020 07:46:09
1026GukiZ and GukiZianaE2500binary search, data structures, implementationGNU C++1708 August 2020 13:25:13
1025Thwarting DemonstrationsE2200binary search, data structures, treesGNU C++1707 August 2020 10:52:18
1024DZY Loves Fibonacci NumbersC2400data structures, math, number theoryGNU C++1706 August 2020 05:38:43
1023HolesE2700data structures, dsuGNU C++1704 August 2020 16:37:19
1022Little Elephant and ArrayD1800data structuresGNU C++1703 August 2020 10:14:22
1021Circular RMQC2200data structuresGNU C++1701 August 2020 15:54:38
1020Enemy is weakE1900data structures, treesGNU C++1701 August 2020 13:29:42
1019Babaei and Birthday CakeD2000data structures, dpGNU C++1731 July 2020 12:53:16
1018Ant colonyF2100data structures, math, number theoryGNU C++1731 July 2020 11:42:01
1017Minimum Possible LCMG2200brute force, greedy, math, number theoryGNU C++1728 July 2020 07:47:17
1016Last ChanceE2000data structures, implementation, stringsGNU C++1725 July 2020 14:53:48
1015Polycarp's problemsF2300binary search, dp, greedyGNU C++1715 July 2020 10:11:40
1014Alternating TreeE2300combinatorics, dfs and similar, divide and conquer, dp, probabilities, treesGNU C++1712 June 2020 07:02:49
1013James and the ChaseE3000dfs and similar, graphs, probabilities, treesGNU C++1711 June 2020 13:38:16
1012Mushroom GnomesE2600math, matricesGNU C++1710 June 2020 10:04:36
1011Jeff and BracketsC2500dp, matricesGNU C++1709 June 2020 19:44:21
1010Xor-sequencesE1900matricesGNU C++1709 June 2020 14:19:20
1009Decoding GenomeE1900dp, matricesGNU C++1709 June 2020 12:35:17
1008GukiZ and Binary OperationsD2100combinatorics, implementation, math, matrices, number theoryGNU C++1709 June 2020 09:39:41
1007Magic GemsD2100dp, math, matricesGNU C++1708 June 2020 14:41:07
1006Mahmoud and Ehab and yet another xor taskF2400bitmasks, dp, math, matricesGNU C++1708 June 2020 12:37:49
1005Product Oriented RecurrenceE2300dp, math, matrices, number theoryGNU C++1708 June 2020 08:33:13
1004Matrix GameA1100games, greedy, implementationGNU C++1707 June 2020 18:23:32
1003Trouble SortB1300constructive algorithms, implementationGNU C++1707 June 2020 18:23:21
1002Rotation MatchingC1400constructive algorithms, data structures, greedy, implementationGNU C++1707 June 2020 18:23:08
1001Solve The MazeD1700constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest pathsGNU C++1707 June 2020 18:22:58
1000Maximum Subsequence ValueE1900brute force, constructive algorithmsGNU C++1707 June 2020 18:22:46
999Swaps AgainF2100constructive algorithms, implementation, sortingsGNU C++1707 June 2020 18:22:26
998Wet Shark and BlocksE2000dp, matricesGNU C++1707 June 2020 11:27:04
997Darth Vader and TreeE2200dp, matricesGNU C++1706 June 2020 16:25:04
996Valera and QueriesE2200binary search, data structuresGNU C++1706 June 2020 14:00:23
995Interesting ArrayB1800constructive algorithms, data structures, treesGNU C++1705 June 2020 11:30:09
994Johnny and GrandmasterE1900data structures, greedy, implementation, math, number theory, sortings, two pointersGNU C++1704 June 2020 16:45:35
993Johnny and ContributionD1700constructive algorithms, graphs, greedy, implementation, sortingsGNU C++1704 June 2020 15:11:06
992Johnny and Another Rating DropC1400bitmasks, greedy, mathGNU C++1704 June 2020 14:59:11
991Johnny and His HobbiesB1200bitmasks, brute forceGNU C++1704 June 2020 14:47:09
990Johnny and Ancient ComputerA1000implementationGNU C++1704 June 2020 14:38:17
989Add on a TreeD11600treesGNU C++1704 June 2020 07:37:06
988Candies!C1400data structures, dp, implementation, mathGNU C++1704 June 2020 07:13:36
987Number CircleB1100greedy, math, sortingsGNU C++1704 June 2020 07:06:11
986Keanu ReevesA800stringsGNU C++1704 June 2020 06:57:51
985StripB2000binary search, data structures, dp, two pointersGNU C++1702 June 2020 17:54:05
984Anton and IraE2300constructive algorithms, greedy, mathGNU C++1702 June 2020 14:50:37
983Flow ControlF2400dfs and similar, dp, greedy, treesGNU C++1702 June 2020 11:52:02
982Another Filling the GridE2300combinatorics, dp, mathGNU C++1701 June 2020 17:01:18
981Complete TripartiteD1900brute force, constructive algorithms, graphs, hashing, implementationGNU C++1701 June 2020 16:11:00
980Primes and MultiplicationC1700math, number theoryGNU C++1701 June 2020 15:37:44
979Filling the GridB1400implementation, mathGNU C++1701 June 2020 15:26:29
978Distinct DigitsA800brute force, implementationGNU C++1701 June 2020 15:17:08
977Matching NamesA2300dfs and similar, strings, treesGNU C++1701 June 2020 12:48:20
976Guess The MaximumsD2100binary search, implementation, interactive, mathGNU C++1701 June 2020 07:26:29
975Tree ShufflingE2000dfs and similar, dp, greedy, treesGNU C++1731 May 2020 16:21:42
974Game On LeavesC1600games, treesGNU C++1731 May 2020 15:20:23
973Subsequence HateB1400implementation, stringsGNU C++1731 May 2020 14:50:16
972Odd SelectionA1200brute force, implementation, mathGNU C++1731 May 2020 14:40:04
971Beautiful LyricsC1700data structures, greedy, stringsGNU C++1731 May 2020 09:19:16
970Plus from PictureB1300dfs and similar, implementation, stringsGNU C++1731 May 2020 08:30:56
969Filling ShapesA1000dp, mathGNU C++1731 May 2020 08:17:43
968Shortest CycleD1900bitmasks, graphsGNU C++1729 May 2020 15:31:37
967Almost EqualC1200constructive algorithms, mathGNU C++1729 May 2020 14:08:20
966Make Product Equal OneB900dp, implementationGNU C++1729 May 2020 14:02:26
965Choose Two NumbersA800math, sortingsGNU C++1729 May 2020 13:58:00
964The Best VacationD1900binary search, brute force, greedy, implementation, two pointersGNU C++1729 May 2020 13:19:10
963A Lot of GamesB1900dfs and similar, dp, games, implementation, strings, treesGNU C++1729 May 2020 12:42:10
962Флеш-картыA800greedy, implementation, sortingsGNU C++1729 May 2020 11:31:57
961Lomsat gelralE2300data structures, dfs and similar, dsu, treesGNU C++1729 May 2020 08:48:50
960Area of Two Circles' IntersectionD2000geometryGNU C++1729 May 2020 07:53:54
959Make PalindromeC1800constructive algorithms, greedy, stringsGNU C++1729 May 2020 07:34:52
958Queries about less or equal elementsB1300binary search, data structures, sortings, two pointersGNU C++1729 May 2020 07:23:08
957Extract NumbersA1600implementation, stringsGNU C++1729 May 2020 07:19:07
956Igor In the MuseumD1700dfs and similar, graphs, shortest pathsGNU C++1729 May 2020 06:41:38
955Queries on a StringB1300implementation, stringsGNU C++1729 May 2020 06:13:58
954Tricky SumA900mathGNU C++1729 May 2020 06:01:35
953Modular StabilityE2000combinatorics, math, number theoryGNU C++1728 May 2020 16:31:06
952Yet Another Yet Another TaskD2000data structures, dp, implementation, two pointersGNU C++1728 May 2020 16:17:24
951New Theatre SquareB1000brute force, dp, greedy, implementation, two pointersGNU C++1728 May 2020 14:50:15
950Berland PokerA1000brute force, greedy, mathGNU C++1728 May 2020 14:45:08
949MessengerD2100data structures, hashing, implementation, string suffix structures, stringsGNU C++1728 May 2020 11:55:27
948Maximum Diameter GraphD1800constructive algorithms, graphs, implementationGNU C++1728 May 2020 09:00:42
947Multi-Subject CompetitionC1600greedy, sortingsGNU C++1728 May 2020 08:16:57
946Vova and TrophiesB1600greedyGNU C++1728 May 2020 07:56:37
945Vasya and BookA1200implementation, mathGNU C++1728 May 2020 07:42:46
944Vasya and MultisetsC1500brute force, dp, greedy, implementation, mathGNU C++1727 May 2020 17:36:01
943Relatively Prime PairsB1000greedy, math, number theoryGNU C++1727 May 2020 17:23:44
942Vasya And PasswordA1200greedy, implementation, stringsGNU C++1727 May 2020 17:19:52
941Playing on GraphE2600graphs, shortest pathsGNU C++1109 January 2020 11:00:48
940Count The RectanglesE2200bitmasks, brute force, data structures, geometry, sortingsGNU C++1727 May 2020 08:21:22
9391-2-K GameD1700games, mathGNU C++1727 May 2020 07:05:41
938From S To TC1300implementation, stringsGNU C++1727 May 2020 06:43:49
937Yet Another Crosses ProblemB1300implementationGNU C++1727 May 2020 06:34:20
936Remove a ProgressionA800mathGNU C++1727 May 2020 06:26:15
935Make The Fence Great AgainD1800dpGNU C++1727 May 2020 05:53:37
934Perfect TeamC1200binary search, mathGNU C++1727 May 2020 05:32:28
933KnightsD2000geometry, graphs, shortest paths, sortingsGNU C++1716 January 2020 19:46:24
9322048 GameA1000brute force, greedy, mathGNU C++1727 May 2020 05:22:28
931Celex UpdateC1600mathGNU C++1726 May 2020 16:15:42
930Maria Breaks the Self-isolationB1000greedy, sortingsGNU C++1726 May 2020 14:54:05
929Park LightingA800greedy, mathGNU C++1726 May 2020 14:48:02
928BorderE1800number theoryGNU C++1726 May 2020 13:47:30
927FlyC1500binary search, greedy, mathGNU C++1726 May 2020 13:32:24
926Planning The ExpeditionB1200binary search, brute force, implementationGNU C++1726 May 2020 13:19:27
925StagesA900greedy, implementation, sortingsGNU C++1726 May 2020 13:09:35
924Beautiful SubarraysE2100data structures, divide and conquer, strings, treesGNU C++1726 May 2020 10:58:03
923MST CompanyE2400binary search, graphsGNU C++1725 May 2020 18:26:09
922Destruction of a TreeB2000constructive algorithms, dfs and similar, dp, greedy, treesGNU C++1724 May 2020 17:16:00
921Anton and TreeE2100dfs and similar, dp, treesGNU C++1724 May 2020 17:15:31
920DIY GarlandF2200constructive algorithms, greedy, treesGNU C++1723 May 2020 16:09:11
919Ski BaseC2300combinatorics, dsu, graphsGNU C++1723 May 2020 10:43:35
918DisputeD2100dfs and similar, graphs, greedyGNU C++1723 May 2020 10:17:35
917Appleman and TreeB2000dfs and similar, dp, treesGNU C++1723 May 2020 10:17:06
916Valid SetsD2100dfs and similar, dp, math, treesGNU C++1723 May 2020 10:16:41
915Candy Box (hard version)G2000greedy, implementation, sortingsGNU C++1722 May 2020 15:10:03
914Special PermutationsE2000mathGNU C++1722 May 2020 15:09:29
913Water TapsE2000binary search, greedy, sortingsGNU C++1722 May 2020 15:08:56
912Numbers ExchangeE1900greedy, implementation, mathGNU C++1722 May 2020 09:23:35
911Petya and Construction SetE2000constructive algorithms, graphs, math, sortings, treesGNU C++1722 May 2020 09:23:03
910Serval and Rooted TreeD1900binary search, dfs and similar, dp, greedy, treesGNU C++1722 May 2020 09:22:23
909Choosing The CommanderE2000bitmasks, data structures, treesGNU C++1722 May 2020 09:21:52
908N Problems During K DaysD1900constructive algorithms, greedy, mathGNU C++1722 May 2020 06:57:01
907Shichikuji and Power GridD1900dsu, graphs, greedy, shortest paths, treesGNU C++1721 May 2020 18:01:42
906Array Without Local Maximums A1900dpGNU C++1721 May 2020 17:02:08
905Helping PeopleC2600dp, probabilitiesGNU C++1721 May 2020 15:05:32
904CompartmentsC2100combinatorics, constructive algorithms, greedy, implementationGNU C++1720 May 2020 16:08:33
903Infinite InversionsE2100binary search, data structures, implementation, sortings, treesGNU C++1720 May 2020 15:19:58
902Road ImprovementD2300dp, treesGNU C++1720 May 2020 08:13:32
901Running TrackC2000dp, greedy, strings, treesGNU C++1720 May 2020 06:50:54
900Subsequences (hard version)H1900dp, stringsGNU C++1719 May 2020 17:44:32
899Tavas and KarafsC1900binary search, greedy, mathGNU C++1719 May 2020 16:52:18
898Lucky Common SubsequenceB2000dp, stringsGNU C++1719 May 2020 14:47:03
897Event DatesD1900greedy, meet-in-the-middle, sortingsGNU C++1718 May 2020 18:17:16
896Optimal Subsequences (Hard Version)D21800data structures, greedyGNU C++1718 May 2020 11:04:28
895Restorer DistanceE2100binary search, greedy, math, sortings, ternary searchGNU C++1718 May 2020 13:22:34
894As Fast As PossibleA1900binary search, mathGNU C++1718 May 2020 13:03:30
893Not So Simple Polygon EmbeddingC22000binary search, brute force, geometry, mathGNU C++1718 May 2020 12:32:37
892Optimal Subsequences (Easy Version)D11600data structures, greedyGNU C++1718 May 2020 11:34:27
891Simple Polygon EmbeddingC11400binary search, geometry, math, ternary searchGNU C++1717 May 2020 10:48:03
890Ternary StringB1200binary search, dp, implementation, two pointersGNU C++1717 May 2020 09:28:12
889Alarm ClockA900mathGNU C++1717 May 2020 09:25:00
888Tree-String ProblemE2000*special, dfs and similar, hashing, stringsGNU C++1716 May 2020 18:28:12
887Game With ArrayD1400constructive algorithms, mathGNU C++1716 May 2020 12:10:43
886Young ExplorersB1200dp, greedy, sortingsGNU C++1716 May 2020 11:46:03
885Sequence with DigitsA1200brute force, implementation, mathGNU C++1716 May 2020 11:41:03
884PalindromesD1900dp, stringsGNU C++1715 May 2020 18:01:05
883Voltage KeepsakeA1800binary search, mathGNU C++1715 May 2020 16:20:47
882Welfare StateD1600data structures, implementationGNU C++1715 May 2020 14:19:31
881MP3C1600two pointersGNU C++1715 May 2020 13:54:19
880Water LilyB1000geometry, mathGNU C++1715 May 2020 13:21:26
879City DayA1000implementationGNU C++1715 May 2020 13:15:03
878Lucky DaysC1900math, number theoryGNU C++1715 May 2020 10:50:36
877Beautiful ArrayD1900brute force, data structures, divide and conquer, dp, greedyGNU C++1715 May 2020 10:17:18
876Om Nom and NecklaceD2200hashing, string suffix structures, stringsGNU C++1715 May 2020 09:31:28
875Numerical Sequence (easy version)E11900binary search, brute force, mathGNU C++1714 May 2020 19:17:48
874Number of ParallelogramsD1900geometryGNU C++1714 May 2020 18:52:46
873Check TranscriptionE2100brute force, data structures, hashing, stringsGNU C++1714 May 2020 17:26:36
872Greenhouse EffectD1700dpGNU C++1710 February 2020 12:43:50
871Obsessive StringB2000dp, stringsGNU C++1713 May 2020 13:30:01
870Tavas and MalekasD1900greedy, hashing, string suffix structures, stringsGNU C++1713 May 2020 09:46:33
869Orac and MediansD2000constructive algorithms, greedyGNU C++1712 May 2020 14:18:49
868Orac and LCMC1600math, number theoryGNU C++1712 May 2020 13:22:27
867Orac and ModelsB1400dp, math, number theoryGNU C++1712 May 2020 12:55:49
866Orac and FactorsA900mathGNU C++1712 May 2020 12:38:39
865Dungeons and CandiesC1800dsu, graphs, greedy, treesGNU C++1712 May 2020 12:17:42
864Martian StringsE2300string suffix structures, stringsGNU C++1712 May 2020 10:25:11
863Desk DisorderE2100combinatorics, dfs and similar, dsu, graphs, treesGNU C++1711 May 2020 17:34:00
862Fun with IntegersD1800dfs and similar, graphs, implementation, mathGNU C++1711 May 2020 14:12:46
861Banh-miC1600greedy, implementation, mathGNU C++1711 May 2020 13:23:50
860MathB1500greedy, math, number theoryGNU C++1711 May 2020 13:02:24
859A PrankA1300greedy, implementationGNU C++1711 May 2020 12:49:06
858Reducing FractionsC1800implementation, math, number theory, sortingsGNU C++1711 May 2020 11:15:04
857K Balanced TeamsE1800dp, sortings, two pointersGNU C++1711 May 2020 10:35:19
856Vus the Cossack and StringsC1800implementation, mathGNU C++1711 May 2020 09:51:04
855String Coloring (easy version)E11800constructive algorithms, dp, graphs, greedy, sortingsGNU C++1711 May 2020 09:24:44
854Challenges in school №41D2100brute force, constructive algorithms, games, graphs, greedy, implementation, sortingsGNU C++1710 May 2020 18:00:26
853Robot Rapping Results ReportD1800binary search, dp, graphsGNU C++1710 May 2020 16:58:19
852Travelling Salesman and Special NumbersC1800brute force, combinatorics, dpGNU C++1710 May 2020 15:43:57
851Tokitsukaze, CSL and Stone GameB1800gamesGNU C++1709 May 2020 18:19:31
850Bash Plays with FunctionsE2500brute force, combinatorics, dp, number theoryGNU C++1709 May 2020 17:16:35
849Sum of Round NumbersA800implementation, mathGNU C++1709 May 2020 14:39:13
848Special ElementsE1500brute force, implementation, two pointersGNU C++1709 May 2020 16:48:39
847Binary String ReconstructionF1500constructive algorithms, dfs and similar, mathGNU C++1709 May 2020 16:48:09
846Alice, Bob and CandiesD1300implementationGNU C++1709 May 2020 16:47:54
845K-th Not Divisible by nC1200binary search, mathGNU C++1709 May 2020 16:47:35
844Kate and imperfectionF2200greedy, implementation, math, number theory, sortings, two pointersGNU C++1708 May 2020 15:30:48
843Square?B900brute force, implementation, mathGNU C++1707 May 2020 14:12:12
842Game on TreeC2200implementation, math, probabilities, treesGNU C++1707 May 2020 07:53:10
841Hilbert's HotelC1600math, sortingsGNU C++1706 May 2020 15:59:12
840Card ConstructionsB1100binary search, brute force, dp, mathGNU C++1706 May 2020 14:59:20
839Puzzle PiecesA800mathGNU C++1706 May 2020 14:45:48
838Palindrome DegreeD2200hashing, stringsGNU C++1706 May 2020 12:22:57
837Roads in YuslandD2900data structures, dp, greedyGNU C++1706 May 2020 07:43:42
836QueenC1400dfs and similar, treesGNU C++1705 May 2020 14:44:05
835NirvanaB1200brute force, math, number theoryGNU C++1705 May 2020 14:34:25
834The DoorsA800implementationGNU C++1705 May 2020 14:17:37
833Little Elephant and Furik and RubikC2000math, probabilitiesGNU C++1705 May 2020 07:37:32
832Tree with Small DistancesE2100dp, graphs, greedyGNU C++1704 May 2020 17:19:30
831Colorful PointsD2100data structures, greedy, implementationGNU C++1704 May 2020 16:44:52
830New Year and Arbitrary ArrangementD2200dp, math, probabilitiesGNU C++1704 May 2020 11:57:44
829The Number GamesE2200data structures, greedy, treesGNU C++1703 May 2020 16:17:36
828MarblesC2500hashing, stringsGNU C++1728 April 2020 17:58:20
827PosterizedC1700games, greedyGNU C++1703 May 2020 11:44:55
826MarlinB1600constructive algorithmsGNU C++1703 May 2020 11:25:07
825Links and PearlsA900implementation, mathGNU C++1703 May 2020 11:01:47
824Game of the RowsB1900brute force, greedy, implementationGNU C++1703 May 2020 06:09:30
823Winter is hereD2200combinatorics, dp, math, number theoryGNU C++1703 May 2020 05:56:10
822Arya and BranA900implementationGNU C++1703 May 2020 05:02:21
821Phoenix and BerriesE2400brute force, dp, greedy, mathGNU C++1702 May 2020 15:37:52
820Super MD2200dfs and similar, dp, graphs, treesGNU C++1702 May 2020 06:57:04
819Phoenix and ScienceD1900binary search, constructive algorithms, greedy, implementation, mathGNU C++1701 May 2020 16:56:15
818Phoenix and DistributionC1600constructive algorithms, greedy, sortings, stringsGNU C++1701 May 2020 15:46:18
817Phoenix and BeautyB1400constructive algorithms, data structures, greedy, sortingsGNU C++1701 May 2020 14:55:44
816Phoenix and BalanceA800greedy, mathGNU C++1701 May 2020 14:38:11
815Neko does MathsC1800brute force, math, number theoryGNU C++1701 May 2020 12:07:29
814Neko Performs Cat Furrier TransformB1300bitmasks, constructive algorithms, dfs and similar, mathGNU C++1701 May 2020 11:36:09
813Neko Finds GrapesA800greedy, implementation, mathGNU C++1701 May 2020 11:19:41
812Castle DefenseG2000binary search, data structures, greedy, two pointersGNU C++1701 May 2020 09:59:11
811Thief in a ShopE2400divide and conquer, dp, fft, mathGNU C++1701 May 2020 08:40:40
810Xor-PathsF2100bitmasks, brute force, dp, meet-in-the-middleGNU C++1701 May 2020 04:26:20
809And ReachabilityC2200bitmasks, dpGNU C++1730 April 2020 16:44:13
808VowelsE2700combinatorics, divide and conquer, dpGNU C++1730 April 2020 15:02:16
807Main SequenceC2100greedy, implementationGNU C++1729 April 2020 16:07:57
806IrrigationD2200binary search, data structures, implementation, sortings, trees, two pointersGNU C++1729 April 2020 14:06:26
805Intergalaxy TripsE2700probabilities, shortest pathsGNU C++1729 April 2020 11:50:57
804Leha and another game about graphB2100constructive algorithms, data structures, dfs and similar, dp, graphsGNU C++1729 April 2020 09:16:31
803Makoto and a BlackboardD2200dp, math, number theory, probabilitiesGNU C++1728 April 2020 08:50:23
802Roman DigitsD2000brute force, combinatorics, greedyGNU C++1727 April 2020 15:51:18
801Convert to OnesC1500mathGNU C++1727 April 2020 15:17:59
800BalloonsA1000constructive algorithms, implementationGNU C++1727 April 2020 15:11:17
799CuttingB1200dp, greedy, sortingsGNU C++1727 April 2020 15:06:15
798Modulo SumB1900combinatorics, data structures, dp, two pointersGNU C++1727 April 2020 13:06:49
797Little C Loves 3 IID2200brute force, constructive algorithms, flows, graph matchingsGNU C++1727 April 2020 12:47:43
796Enlarge GCDC1800number theoryGNU C++1727 April 2020 12:13:31
795Cover PointsB900geometry, mathGNU C++1727 April 2020 11:51:11
794Little C Loves 3 IA800mathGNU C++1727 April 2020 11:46:49
793Binary PeriodB1100constructive algorithms, stringsGNU C++1726 April 2020 14:45:45
792Road To ZeroA1000greedy, mathGNU C++1726 April 2020 14:38:06
791Yet Another Subarray ProblemD1900dp, greedy, mathGNU C++1726 April 2020 13:49:54
790Array SplittingC1400greedy, sortingsGNU C++1726 April 2020 12:56:55
789PillarsB1000greedy, implementationGNU C++1726 April 2020 12:45:00
788DIY Wooden LadderA900greedy, math, sortingsGNU C++1726 April 2020 12:39:09
787Beautiful MirrorsE2100data structures, dp, math, probabilitiesGNU C++1726 April 2020 09:59:01
786Jeff and FurikB1900combinatorics, dp, probabilitiesGNU C++1726 April 2020 08:26:44
785GhdD2900brute force, math, probabilitiesGNU C++1725 April 2020 15:37:41
784International OlympiadB2000brute force, constructive algorithms, greedy, stringsGNU C++1724 April 2020 16:50:20
783Graph ColoringC2200dfs and similar, graphsGNU C++1724 April 2020 16:21:30
782RebusA1800constructive algorithms, expression parsing, greedy, mathGNU C++1724 April 2020 15:14:12
781Nastya and ScoreboardD1700bitmasks, dp, greedyGNU C++1723 April 2020 16:53:14
780Nastya and Strange GeneratorC1500greedy, implementationGNU C++1723 April 2020 15:52:07
779Nastya and DoorB1300greedy, implementationGNU C++1723 April 2020 15:10:34
778Nastya and RiceA900mathGNU C++1723 April 2020 14:50:04
777Ithea Plays With ChthollyD2000binary search, constructive algorithms, implementation, interactiveGNU C++1722 April 2020 17:00:33
776Nephren gives a riddleC1700binary search, combinatorics, mathGNU C++1722 April 2020 16:02:20
775Chtholly's requestB1300brute forceGNU C++1722 April 2020 14:59:41
774Scarborough FairA800implementationGNU C++1722 April 2020 14:52:04
773Bags and CoinsD2700bitmasks, constructive algorithms, dp, greedyGNU C++1722 April 2020 12:31:06
772Help CaretakerC2300brute force, dpGNU C++1721 April 2020 13:15:29
771Split the TreeE2400binary search, data structures, dp, greedy, treesGNU C++1720 April 2020 13:32:58
770Sequence TransformationC1600constructive algorithms, mathGNU C++1720 April 2020 12:35:56
769ForgeryB1300implementationGNU C++1720 April 2020 12:13:48
768CashierA1000implementationGNU C++1720 April 2020 11:54:08
767BerzerkC2000dp, gamesGNU C++1720 April 2020 07:00:07
766Not AfraidB1300greedy, implementation, mathGNU C++1720 April 2020 06:22:59
765The Unbearable Lightness of WeightsE2100dp, mathGNU C++1719 April 2020 16:49:23
764PlaylistE2100math, probabilities, sortingsGNU C++1719 April 2020 13:31:34
763Nastya and a GameD2100brute force, implementation, mathGNU C++1719 April 2020 12:43:23
762Let's Play Osu!B2000dp, math, probabilitiesGNU C++1719 April 2020 07:50:23
761XorB2000brute forceGNU C++1718 April 2020 18:17:46
760PresentC1700binary search, data structures, greedyGNU C++1721 August 2019 15:13:40
759Unusual CompetitionsC1300constructive algorithmsGNU C++1717 April 2020 17:06:54
758Count SubrectanglesB1500binary search, greedy, implementationGNU C++1717 April 2020 16:49:09
757Even Subset Sum ProblemA800brute force, dp, greedy, implementationGNU C++1717 April 2020 16:27:36
756Connected Components?E2100data structures, dfs and similar, dsu, graphsGNU C++1717 April 2020 15:28:43
755Sad powersC2100binary search, math, number theoryGNU C++1717 April 2020 15:17:30
754VectorsC2000implementation, mathGNU C++1717 April 2020 10:51:00
753CompressionD1800dp, implementation, math, number theoryGNU C++1717 April 2020 08:37:54
752Connecting UniversitiesB1800dfs and similar, dp, graphs, treesGNU C++1717 April 2020 08:08:42
751Book of EvilD2000dfs and similar, divide and conquer, dp, treesGNU C++1717 April 2020 06:38:59
750Lucky CountryE2500dp, dsu, graphsGNU C++1716 April 2020 18:33:42
749Olya and Energy DrinksD2100data structures, dfs and similar, graphs, shortest pathsGNU C++1716 April 2020 15:34:16
748Maximum SubsequenceE1800bitmasks, divide and conquer, meet-in-the-middleGNU C++1716 April 2020 13:12:46
747Ksenia and PawnsD2200dfs and similar, graphs, implementation, treesGNU C++1116 April 2020 13:06:48
746TreasureA1500greedyGNU C++1716 April 2020 10:08:10
745PolandBall and PolygonD2000data structuresGNU C++1716 April 2020 09:37:01
744WatermelonA800brute force, mathGNU C++1717 July 2019 19:31:50
743Xenia and Colorful GemsD1700binary search, data structures, implementation, math, sortingsGNU C++1716 April 2020 03:26:39
742Linova and KingdomC1600dfs and similar, dp, greedy, sortings, treesGNU C++1715 April 2020 15:07:21
741Kana and Dragon Quest gameB900greedy, implementation, mathGNU C++1715 April 2020 14:44:51
740Ichihime and TriangleA800constructive algorithms, mathGNU C++1715 April 2020 14:39:40
739Paint the TreeE2100dp, sortings, treesGNU C++1715 April 2020 13:36:00
738Team BuildingE2300bitmasks, dp, greedy, sortingsGNU C++1715 April 2020 09:34:26
737The Minimum Number of VariablesD2200bitmasks, dpGNU C++1714 April 2020 17:32:46
736Arpa's weak amphitheater and Mehrdad's valuable HosesB1600dfs and similar, dp, dsuGNU C++1714 April 2020 14:12:12
735A Heap of HeapsF2200brute force, data structures, math, sortingsGNU C++1713 April 2020 17:38:48
734Erase SubsequencesE2200dp, stringsGNU C++1713 April 2020 13:54:52
733Almost Acyclic GraphD2200dfs and similar, graphsGNU C++1713 April 2020 10:25:59
732AAundefinedGNU C++1712 April 2020 18:10:07
731Powered AdditionC1500bitmasks, brute force, greedyGNU C++1712 April 2020 14:28:52
730Sorted Adjacent DifferencesB1200constructive algorithms, sortingsGNU C++1712 April 2020 14:16:13
729Filling DiamondsA900brute force, dp, implementation, mathGNU C++1712 April 2020 14:09:50
728Sweets GameE2000bitmasks, dfs and similar, dp, games, implementationGNU C++1712 April 2020 07:01:29
727Dead EndsE2500bitmasks, dpGNU C++1711 April 2020 17:27:24
726Minimum Euler CycleD1800constructive algorithms, graphs, greedy, implementationGNU C++1710 April 2020 15:57:14
725Circle of MonstersC1600brute force, constructive algorithms, greedy, mathGNU C++1710 April 2020 15:18:24
724Middle ClassB1100greedy, sortingsGNU C++1710 April 2020 14:44:48
723Level StatisticsA1200implementation, mathGNU C++1710 April 2020 14:40:41
722Jzzhu and NumbersD2400bitmasks, combinatorics, dpGNU C++1710 April 2020 08:03:42
721Sausage MaximizationE2200bitmasks, data structures, treesGNU C++1710 April 2020 07:20:00
720Compatible NumbersE2200bitmasks, brute force, dfs and similar, dpGNU C++1709 April 2020 16:17:24
719Eugene and an arrayC1700binary search, data structures, implementation, two pointersGNU C++1708 April 2020 15:32:58
718Kind AntonB1100greedy, implementationGNU C++1708 April 2020 14:47:34
717Little ArtemA1000constructive algorithmsGNU C++1708 April 2020 14:41:17
716Cunning GenaD1900bitmasks, dp, greedy, sortingsGNU C++1708 April 2020 12:48:13
715FishE1900bitmasks, dp, probabilitiesGNU C++1707 April 2020 17:42:14
714Roman and NumbersD2000bitmasks, brute force, combinatorics, dp, number theoryGNU C++1707 April 2020 14:57:04
713Hippopotamus310undefinedGNU C++1707 April 2020 08:51:44
712Little Girl and Maximum XORD1700bitmasks, dp, greedy, implementation, mathGNU C++1707 April 2020 07:29:50
711Minimal LabelsE2300data structures, dfs and similar, graphs, greedyGNU C++1706 April 2020 16:51:02
710Vasiliy's MultisetD1800binary search, bitmasks, data structures, treesGNU C++1705 April 2020 16:22:45
709Kuroni and the Score DistributionE2200constructive algorithms, greedy, implementation, mathGNU C++1705 April 2020 15:17:45
708Array ShrinkingE2100dp, greedyGNU C++1705 April 2020 12:17:29
707Moving PointsF1900data structures, divide and conquer, implementation, sortingsGNU C++1705 April 2020 10:41:34
706Congruence EquationE2100chinese remainder theorem, math, number theoryGNU C++1705 April 2020 08:27:07
705Dima and Magic GuitarE2200brute force, implementation, mathGNU C++1704 April 2020 15:40:29
704Dima and Trap GraphD2000binary search, data structures, dfs and similar, dsu, shortest paths, two pointersGNU C++1704 April 2020 14:58:24
703Dima and SaladC1900dpGNU C++1704 April 2020 14:28:35
702Dima and GuardsA1100implementationGNU C++1704 April 2020 13:58:43
701Dima and To-do ListB1200brute force, implementationGNU C++1704 April 2020 13:51:33
700Roma and PokerE2000dp, graphsGNU C++1704 April 2020 12:04:34
699Range DeletingE2100binary search, combinatorics, data structures, two pointersGNU C++1704 April 2020 11:01:28
698Almost Arithmetic ProgressionD1500brute force, implementation, mathGNU C++1704 April 2020 07:42:35
697Laboratory WorkC1700implementation, mathGNU C++1704 April 2020 07:23:52
696Concatenated MultiplesD1900implementation, mathGNU C++1704 April 2020 07:00:11
695Dreamoon Likes ColoringC1800constructive algorithms, greedyGNU C++1703 April 2020 15:27:54
694Dreamoon Likes PermutationsB1400implementation, mathGNU C++1703 April 2020 14:58:46
693Dreamoon and Ranking CollectionA900implementationGNU C++1703 April 2020 14:39:09
692Drazil and FactorialC1400greedy, math, sortingsGNU C++1120 December 2019 14:58:30
691Drazil and His Happy FriendsB1300brute force, dsu, meet-in-the-middle, number theoryGNU C++1703 April 2020 08:39:22
690Drazil and DateA1000mathGNU C++1703 April 2020 08:28:17
689Subway PursuitB2100binary search, interactive, probabilitiesGNU C++1703 April 2020 06:39:45
688A Problem about PolylineC1700binary search, mathGNU C++1702 April 2020 16:23:00
687Finding Team MemberB1300brute force, implementation, sortingsGNU C++1702 April 2020 16:05:32
686Raising BacteriaA1000bitmasksGNU C++1702 April 2020 15:58:29
685Serval and SnakeE2200binary search, brute force, interactiveGNU C++1702 April 2020 14:28:57
684Round SubsetD2100dp, mathGNU C++1702 April 2020 12:19:02
683Degenerate MatrixH2100binary search, mathGNU C++1702 April 2020 09:36:59
682Coprime SubsequencesF2000bitmasks, combinatorics, number theoryGNU C++1702 April 2020 07:44:59
681Water BalanceC2100data structures, geometry, greedyGNU C++1701 April 2020 17:41:55
680Sleepy GameB2100dfs and similar, dp, games, graphsGNU C++1701 April 2020 11:55:10
679You Are Given a WASD-string...C2100brute force, data structures, dp, greedy, implementation, math, stringsGNU C++1701 April 2020 08:22:31
678Height All the SameE2100combinatorics, constructive algorithms, math, matricesGNU C++1731 March 2020 17:01:28
677Walk on MatrixD1700bitmasks, constructive algorithms, mathGNU C++1731 March 2020 14:46:42
676K-Complete WordC1500dfs and similar, dsu, greedy, implementation, stringsGNU C++1731 March 2020 14:18:49
675Composite ColoringB1400brute force, constructive algorithms, greedy, math, number theoryGNU C++1731 March 2020 13:54:28
674Exercising WalkA1100greedy, implementation, mathGNU C++1731 March 2020 13:45:01
673CashbackE2000data structures, dp, greedy, mathGNU C++1731 March 2020 10:45:33
672Gadgets for dollars and poundsD2000binary search, greedy, two pointersGNU C++1731 March 2020 07:22:04
671Subsequences (easy version)E2000dp, graphs, implementation, shortest pathsGNU C++1730 March 2020 18:05:32
670Om Nom and CandiesC2000brute force, greedy, mathGNU C++1730 March 2020 12:51:36
669HillsC1900dpGNU C++1730 March 2020 11:54:59
668Little Pony and Crystal MineA800implementationGNU C++1729 March 2020 17:22:18
667Find a NumberA2200dp, graphs, number theory, shortest pathsGNU C++1729 March 2020 15:23:49
666Maximum White SubtreeF1800dfs and similar, dp, graphs, treesGNU C++1729 March 2020 13:25:08
665Once Again...B1900constructive algorithms, dp, matricesGNU C++1729 March 2020 12:47:50
664BrowserB1300implementationGNU C++1728 March 2020 13:53:19
663Foe PairsC1800combinatorics, sortings, two pointersGNU C++1727 March 2020 17:53:11
662Nested SegmentsD1800data structures, sortingsGNU C++1727 March 2020 17:21:38
661z-sortB1000sortingsGNU C++1727 March 2020 16:48:31
660Gabriel and CaterpillarA1400implementation, mathGNU C++1727 March 2020 16:41:10
659Rectangle PuzzleA2000geometryGNU C++1727 March 2020 15:13:15
658Santa Claus and a PalindromeD2100constructive algorithms, data structures, greedyGNU C++1727 March 2020 14:00:58
657SubordinatesE1900constructive algorithms, data structures, graphs, greedy, sortingsGNU C++1727 March 2020 09:24:38
656Fibonacci-ishD2000brute force, dp, hashing, implementation, mathGNU C++1726 March 2020 14:01:48
655Dasha and PuzzleE2000constructive algorithms, dfs and similar, graphs, greedy, treesGNU C++1726 March 2020 09:36:47
654CrosswordC2000implementationGNU C++1725 March 2020 17:49:59
653SafeD2200brute forceGNU C++1725 March 2020 17:06:15
652CoinsB1200implementationGNU C++1725 March 2020 16:11:33
651Triangular numbersA800brute force, mathGNU C++1725 March 2020 15:51:31
650Path QueriesG1800divide and conquer, dsu, graphs, sortings, treesGNU C++1725 March 2020 15:14:25
649Swap LettersC1500constructive algorithms, greedyGNU C++17 (64)24 March 2020 15:21:30
648Imbalanced ArrayD1900data structures, divide and conquer, dsu, sortingsGNU C++17 (64)24 March 2020 14:50:34
647The least round wayB2000dp, mathGNU C++17 (64)24 March 2020 12:34:50
646Count The BlocksE1800combinatorics, dp, mathGNU C++1723 March 2020 16:17:50
645Game with ChipsC1600constructive algorithms, implementationGNU C++1723 March 2020 15:30:42
644Sum of Odd IntegersA1100mathGNU C++1723 March 2020 15:03:37
643Princesses and PrincesB1200brute force, graphs, greedyGNU C++1723 March 2020 14:49:01
642Graph And Its ComplementD1700constructive algorithms, graphs, implementationGNU C++1722 March 2020 16:20:47
641Bracket Sequences Concatenation ProblemC1500implementationGNU C++1722 March 2020 15:47:16
640Micro-WorldB1200greedy, sortingsGNU C++1722 March 2020 15:33:46
639Commentary BoxesA1000implementation, mathGNU C++1722 March 2020 15:22:09
638MultihedgehogB1800dfs and similar, graphs, shortest pathsGNU C++1722 March 2020 14:53:09
637Cowslip CollectionsF2500combinatorics, math, number theoryGNU C++1722 March 2020 11:28:03
636Bertown SubwayC1500dfs and similar, greedy, mathGNU C++1721 March 2020 13:34:28
635Japanese Crosswords Strike BackB1100implementationGNU C++1721 March 2020 13:14:27
634Book ReadingC1200mathGNU C++1430 August 2019 15:39:18
633Santa's BotD1700combinatorics, math, probabilitiesGNU C++1721 March 2020 12:09:20
632Stack of PresentsC1400data structures, implementationGNU C++1721 March 2020 11:24:48
631Verse For SantaB1300binary search, brute force, implementationGNU C++1721 March 2020 11:14:18
630New Year GarlandA900mathGNU C++1721 March 2020 11:00:36
629Periodical NumbersE2100combinatorics, dp, number theoryGNU C++1720 March 2020 14:43:02
628Prefix-Suffix Palindrome (Easy version)D11500hashing, string suffix structures, stringsGNU C++1719 March 2020 16:50:51
627Permutation PartitionsC1300combinatorics, greedy, mathGNU C++1719 March 2020 15:04:24
626MaximumsB900implementation, mathGNU C++1719 March 2020 14:46:39
625Bad Ugly NumbersA1000constructive algorithms, number theoryGNU C++1719 March 2020 14:37:48
624Couple CoverF2200brute force, dp, number theoryGNU C++1718 March 2020 18:41:02
623Coprime ArraysG2300math, number theoryGNU C++1718 March 2020 09:31:35
622Array GCDB2300dp, greedy, number theoryGNU C++1717 March 2020 13:23:43
621Calendar ReformD1500*special, number theoryGNU C++1716 March 2020 17:02:04
620Remainders GameB1800chinese remainder theorem, math, number theoryGNU C++1716 March 2020 12:33:39
619Arpa and a list of numbersB2100implementation, number theoryGNU C++1716 March 2020 11:08:22
618Beautiful PaintingsB1200greedy, sortingsGNU C++1715 March 2020 17:50:35
617SlimeD1800dp, greedy, implementationGNU C++1715 March 2020 14:09:19
616GamblingC1300greedy, sortingsGNU C++1715 March 2020 13:33:34
615Non-Coprime PartitionB1100constructive algorithms, mathGNU C++1715 March 2020 13:20:55
614EqualityA800implementation, stringsGNU C++1715 March 2020 13:17:18
613Strongly Connected City 2E2700dfs and similarGNU C++1715 March 2020 12:59:43
612Comparing Two Long IntegersA900implementation, stringsGNU C++1714 March 2020 16:43:40
611Ehab the XorcistD1700bitmasks, constructive algorithms, greedy, number theoryGNU C++1714 March 2020 15:51:13
610Ehab and Path-etic MEXsC1500constructive algorithms, dfs and similar, greedy, treesGNU C++1714 March 2020 15:08:01
609CopyCopyCopyCopyCopyB800greedy, implementationGNU C++1714 March 2020 14:43:36
608EhAb AnD gCdA800constructive algorithms, greedy, number theoryGNU C++1714 March 2020 14:39:22
607Sum of RemaindersE2200implementation, math, number theoryGNU C++1714 March 2020 13:44:05
606Coupons and DiscountsB1100constructive algorithms, greedyGNU C++1713 March 2020 18:29:48
605Vasya and Beautiful ArraysC2100brute force, dp, number theoryGNU C++1713 March 2020 16:09:57
604Number With The Given Amount Of DivisorsE2000brute force, dp, number theoryGNU C++1713 March 2020 07:51:11
603Ryouko's Memory NoteC1800implementation, math, sortingsGNU C++1712 March 2020 18:48:18
602Non-Secret CypherD1900two pointersGNU C++1712 March 2020 17:13:28
601Mike and FoamC2300bitmasks, combinatorics, dp, math, number theoryGNU C++1712 March 2020 14:15:21
600Watto and MechanismC2000binary search, data structures, hashing, string suffix structures, stringsGNU C++1712 March 2020 05:40:25
599Misha, Grisha and UndergroundD1900dfs and similar, graphs, treesGNU C++1711 March 2020 13:04:20
598Power ProductsD1800hashing, math, number theoryGNU C++1711 March 2020 10:23:46
597Dexterina’s LabD1900games, matrices, probabilitiesGNU C++1711 March 2020 08:21:43
596Peter and Snow BlowerA1900binary search, geometry, ternary searchGNU C++1711 March 2020 06:47:54
595Polo the Penguin and XOR operationC1700implementation, mathGNU C++1710 March 2020 20:38:49
594Polo the Penguin and Houses B1500combinatoricsGNU C++1710 March 2020 19:58:06
593Polo the Penguin and StringsA1300greedyGNU C++1710 March 2020 19:31:06
592Yet Another Problem On a SubsequenceD1900combinatorics, dpGNU C++1710 March 2020 19:16:01
591Video PostsK1100implementationGNU C++1709 March 2020 19:12:06
590Count the ArraysD1700combinatorics, mathGNU C++1709 March 2020 15:32:54
589BogosortB1000constructive algorithms, sortingsGNU C++1709 March 2020 14:40:33
588Two Regular PolygonsA800geometry, greedy, math, number theoryGNU C++1709 March 2020 14:37:38
587Video CardsF1900brute force, data structures, implementation, math, number theoryGNU C++1709 March 2020 13:33:31
586Infinite PrefixesB1700math, stringsGNU C++1709 March 2020 07:46:27
585Obtain The StringC1600dp, greedy, stringsGNU C++1709 March 2020 07:30:30
584Display The NumberA900greedyGNU C++1709 March 2020 07:03:28
583You Are Given Two Binary Strings...A1100bitmasks, greedyGNU C++1708 March 2020 11:41:50
582Balanced Removals (Harder)C21900binary search, constructive algorithms, divide and conquer, greedy, implementation, sortingsGNU C++1707 March 2020 18:08:27
581Directed RoadsD1900combinatorics, dfs and similar, graphs, mathGNU C++1705 March 2020 18:48:23
580Kilani and the GameD1900dfs and similar, graphs, implementation, shortest pathsGNU C++1705 March 2020 13:27:22
579Primitive PrimesC1800constructive algorithms, math, ternary searchGNU C++1705 March 2020 09:20:07
578String ModificationB1400brute force, constructive algorithms, implementation, sortings, stringsGNU C++1704 March 2020 15:15:49
577Grade AllocationA800implementationGNU C++1704 March 2020 14:39:31
576Creative SnapC1700binary search, brute force, divide and conquer, mathGNU C++1704 March 2020 14:11:43
575Average Superhero Gang Power B1700brute force, implementation, mathGNU C++1704 March 2020 13:18:03
574Superhero TransformationA1000implementation, stringsGNU C++1704 March 2020 13:03:11
573Kuroni and the CelebrationD1900constructive algorithms, dfs and similar, interactive, treesGNU C++1704 March 2020 12:09:02
572Kuroni and Impossible CalculationC1600brute force, combinatorics, math, number theoryGNU C++1703 March 2020 16:28:14
571Kuroni and Simple StringsB1200constructive algorithms, greedy, strings, two pointersGNU C++1703 March 2020 15:01:54
570Kuroni and the GiftsA800brute force, constructive algorithms, greedy, sortingsGNU C++1703 March 2020 14:37:35
569Naming CompanyC1800games, greedy, sortingsGNU C++1703 March 2020 13:51:38
568Cutting CarrotB1200geometry, mathGNU C++1703 March 2020 12:56:38
567Bank RobberyA800brute force, implementationGNU C++1703 March 2020 12:46:51
566Leaving AuctionD2000binary search, data structuresGNU C++1702 March 2020 16:50:12
565Contest for RobotsA900greedyGNU C++1701 March 2020 13:28:11
564HydraB2000graphs, sortingsGNU C++1701 March 2020 13:08:46
563Maximum splittingA1300dp, greedy, math, number theoryGNU C++1729 February 2020 15:43:15
562Common NumberE2100binary search, combinatorics, dp, mathGNU C++1728 February 2020 16:29:13
5611-Trees and QueriesE2000data structures, dfs and similar, shortest paths, treesGNU C++1728 February 2020 09:19:33
560Divide by ThreeC2000dp, greedy, math, number theoryGNU C++1727 February 2020 19:46:55
559Counting-out RhymeB1300implementationGNU C++1727 February 2020 18:05:06
558New Bus RouteA1100implementation, sortingsGNU C++1727 February 2020 17:53:55
557Strictly Positive MatrixE2200graphs, mathGNU C++1727 February 2020 16:36:49
556Mr. Kitayuta's TechnologyD2200dfs and similarGNU C++1726 February 2020 16:04:27
555Ralph and MushroomsE2100dp, graphsGNU C++1726 February 2020 07:52:50
554Case of Computer NetworkE2800dfs and similar, graphs, treesGNU C++1725 February 2020 14:07:58
553Perform the ComboC1300brute forceGNU C++1724 February 2020 14:53:46
552Add Odd or Subtract EvenA800greedy, implementation, mathGNU C++1724 February 2020 14:38:33
551Bertown roadsE2000dfs and similar, graphsGNU C++1724 February 2020 12:18:59
550CheckpostsC1700dfs and similar, graphs, two pointersGNU C++1724 February 2020 08:49:08
549HomecomingB1300binary search, dp, greedy, stringsGNU C++1724 February 2020 07:59:18
548RecommendationsD1700data structures, greedy, sortingsGNU C++1723 February 2020 18:18:04
547Restoring PermutationC1200greedyGNU C++1723 February 2020 17:17:46
546Dead PixelA800implementationGNU C++1723 February 2020 16:13:20
545TreeD2200binary search, dp, treesGNU C++1723 February 2020 12:31:43
544BribesB2200dfs and similar, graphs, treesGNU C++1722 February 2020 13:25:21
543Information GraphE2100dfs and similar, dsu, graphs, treesGNU C++1721 February 2020 16:07:24
542A and B and Lecture RoomsE2100binary search, data structures, dfs and similar, dp, treesGNU C++1720 February 2020 20:55:31
541Fools and RoadsC1900data structures, dfs and similar, treesGNU C++1720 February 2020 18:49:47
540Duff in the ArmyC2200data structures, treesGNU C++1720 February 2020 18:18:15
539Network MaskC1600*special, bitmasks, brute force, implementationGNU C++1720 February 2020 13:03:36
538Inverse ColoringE2100combinatorics, dp, mathGNU C++1719 February 2020 16:25:12
537Well played!E2100greedy, sortingsGNU C++1718 February 2020 19:46:35
536Analysis of Pathes in Functional GraphE2100data structures, graphsGNU C++1718 February 2020 18:03:12
535Cow and MessageC1500brute force, dp, math, stringsGNU C++1717 February 2020 16:10:52
534Cow and FriendB1300geometry, greedy, mathGNU C++1717 February 2020 15:47:48
533Cow and HaybalesA800greedy, implementationGNU C++1717 February 2020 15:38:46
532Shortest and Longest LISD1800constructive algorithms, graphs, greedy, two pointersGNU C++1717 February 2020 14:12:23
531Air ConditionerC1500dp, greedy, implementation, sortings, two pointersGNU C++1717 February 2020 13:42:57
530Longest PalindromeB1100brute force, constructive algorithms, greedy, implementation, stringsGNU C++1717 February 2020 13:00:58
529Two RabbitsA800mathGNU C++1717 February 2020 12:51:26
528The Child and ZooD1900dsu, sortingsGNU C++1717 February 2020 09:34:12
527Careful ManeuveringE2100bitmasks, brute force, data structuresGNU C++1715 February 2020 19:23:05
526String Coloring (hard version)E22000data structures, dpGNU C++1714 February 2020 16:47:54
525Berland BeautyF2100constructive algorithms, dfs and similar, greedy, sortings, treesGNU C++1713 February 2020 19:49:05
524Time to RunD2000constructive algorithms, graphs, implementationGNU C++1713 February 2020 16:15:48
523Ayoub's functionC1700binary search, combinatorics, greedy, math, stringsGNU C++1713 February 2020 15:30:53
522Motarack's BirthdayB1500binary search, greedy, ternary searchGNU C++1713 February 2020 15:05:27
521Three StringsA800implementation, stringsGNU C++1713 February 2020 14:37:39
520Noise LevelI1900dfs and similar, implementation, mathGNU C++1712 February 2020 18:10:52
519Perfect KeyboardC1600dfs and similar, greedy, implementationGNU C++1712 February 2020 16:22:29
518National ProjectB1400mathGNU C++1712 February 2020 15:30:51
517Erasing ZeroesA800implementation, stringsGNU C++1712 February 2020 15:12:09
516Fill The BagD1900bitmasks, greedyGNU C++1712 February 2020 15:09:01
515Compress WordsE2000brute force, hashing, implementation, string suffix structures, stringsGNU C++1711 February 2020 18:42:16
514Ehab and a Special Coloring ProblemC1300constructive algorithms, number theoryGNU C++1711 February 2020 12:37:19
513TilesC1300combinatorics, greedy, mathGNU C++1711 February 2020 12:26:51
512Neural Network countryB2000dp, matricesGNU C++1711 February 2020 12:06:18
511Innokenty and a Football LeagueD19002-sat, graphs, greedy, implementation, shortest paths, stringsGNU C++1711 February 2020 09:09:57
510Orientation of EdgesG1900dfs and similar, graphsGNU C++1710 February 2020 19:33:17
509The Door ProblemD20002-sat, dfs and similar, dsu, graphsGNU C++1710 February 2020 14:39:33
508Kirk and a Binary String (easy version)D12000brute force, greedy, stringsGNU C++1710 February 2020 09:35:32
507Kirk and a Binary String (hard version)D22100data structures, greedy, math, stringsGNU C++1710 February 2020 09:35:12
506AerodynamicD1800geometryGNU C++1710 February 2020 05:40:31
505Anu Has a FunctionC1500greedy, mathGNU C++1709 February 2020 14:26:41
504Assigning to ClassesB1000greedy, implementation, sortingsGNU C++1709 February 2020 14:14:13
503Non-zeroA800implementation, mathGNU C++1709 February 2020 14:08:34
502BottlesJ1900dpGNU C++1708 February 2020 17:15:18
501Fox and Minimal pathB1900bitmasks, constructive algorithms, graphs, implementation, mathGNU C++1708 February 2020 16:11:50
500Sereja and Algorithm C1500brute force, implementationGNU C++1708 February 2020 13:20:33
499Sereja and SuffixesB1100data structures, dpGNU C++1708 February 2020 13:01:05
498Sereja and Coat RackA1000implementationGNU C++1708 February 2020 12:57:54
497Olya and magical squareD2000constructive algorithms, implementation, mathGNU C++1708 February 2020 12:41:34
496Send Boxes to Alice (Easy Version)B11800constructive algorithms, greedy, math, number theory, ternary search, two pointersGNU C++1708 February 2020 08:05:48
495AntimatterD2300dpGNU C++1707 February 2020 17:39:16
494Maxim and ArrayD2000constructive algorithms, data structures, greedy, mathGNU C++1707 February 2020 15:45:51
493Prime NumberC1900math, number theoryGNU C++1707 February 2020 08:42:28
492Match PointsC2000binary search, greedy, sortings, ternary search, two pointersGNU C++1707 February 2020 07:59:05
491Yaroslav and TimeB2100binary search, graphs, shortest pathsGNU C++1706 February 2020 14:33:32
490The Values You Can MakeC1900dpGNU C++1706 February 2020 13:59:06
489Sofa ThiefC2000brute force, implementationGNU C++1706 February 2020 12:53:36
488Nearest Opposite ParityE1900dfs and similar, graphs, shortest pathsGNU C++1706 February 2020 08:40:35
487PolandBall and White-Red graphE2400constructive algorithms, graphs, shortest pathsGNU C++1705 February 2020 09:35:29
486Sequence SortingD2000dp, greedy, two pointersGNU C++1704 February 2020 19:12:06
485Fight with MonstersD1500greedy, sortingsGNU C++1704 February 2020 15:13:56
484Yet Another Walking RobotC1500data structures, implementationGNU C++1704 February 2020 14:51:21
483Food BuyingB900mathGNU C++1704 February 2020 14:42:21
482Array with Odd SumA800mathGNU C++1704 February 2020 14:38:34
481Sereja and PeriodsB2000binary search, dfs and similar, stringsGNU C++1704 February 2020 13:08:26
480Decreasing DebtsD2000constructive algorithms, data structures, graphs, greedy, implementation, math, two pointersGNU C++1704 February 2020 12:19:21
479Dwarves, Hats and Extrasensory AbilitiesE1900binary search, constructive algorithms, geometry, interactiveGNU C++1703 February 2020 18:28:23
478Alex and JulianD1900bitmasks, math, number theoryGNU C++1703 February 2020 17:09:52
477Minimax ProblemD2000binary search, bitmasks, dpGNU C++1703 February 2020 10:23:31
476Irreducible AnagramsD1800binary search, constructive algorithms, data structures, strings, two pointersGNU C++1702 February 2020 18:59:31
475Mind ControlC1600brute force, data structures, greedy, mathGNU C++1702 February 2020 15:14:40
474Array SharpeningB1300greedy, implementationGNU C++1702 February 2020 14:37:30
473Even But Not EvenA900greedy, math, stringsGNU C++1702 February 2020 14:09:57
472Feeding ChickenD1700greedy, implementationGNU C++1702 February 2020 12:56:26
471League of LeesinsC1600constructive algorithms, implementationGNU C++1702 February 2020 12:00:11
470Fridge LockersB1100graphs, implementationGNU C++1702 February 2020 11:26:39
469Changing VolumeA800mathGNU C++1702 February 2020 11:12:55
468Remove One ElementD1500brute force, dpGNU C++1702 February 2020 10:10:13
467Berry JamC1700data structures, dp, greedy, implementationGNU C++1702 February 2020 09:16:46
466Subsequence CountingC1700bitmasks, constructive algorithms, greedy, implementationGNU C++1701 February 2020 11:53:12
465Minimize the errorB1500data structures, greedy, sortingsGNU C++1701 February 2020 11:32:49
464Check the stringA1200implementationGNU C++1701 February 2020 11:26:05
463Sum in the treeA1600constructive algorithms, dfs and similar, greedy, treesGNU C++1701 February 2020 10:06:30
462From Y to YA1600constructive algorithmsGNU C++1701 February 2020 09:51:15
461Plate GameA1600constructive algorithms, games, mathGNU C++1701 February 2020 09:11:36
460The Child and ToyC1400graphs, greedy, sortingsGNU C++1701 February 2020 09:07:20
459Really Big NumbersC1600binary search, brute force, dp, mathGNU C++1701 February 2020 08:54:52
458Train Hard, Win EasyE1900constructive algorithms, greedy, math, sortingsGNU C++1731 January 2020 18:55:27
457Shovel SaleD1800constructive algorithms, mathGNU C++1731 January 2020 15:15:34
456Dividing the numbersC1300constructive algorithms, graphs, mathGNU C++1731 January 2020 14:55:22
455Months and YearsB1200implementationGNU C++1731 January 2020 14:40:04
454Splitting in TeamsA800constructive algorithms, greedy, mathGNU C++1731 January 2020 14:27:45
453Office KeysA1800binary search, brute force, dp, greedy, sortingsGNU C++1731 January 2020 14:15:38
452Unusual SequencesD2000bitmasks, combinatorics, dp, math, number theoryGNU C++1730 January 2020 16:58:00
451Death NoteA900greedy, implementation, mathGNU C++1730 January 2020 16:45:19
450Remove Extra OneC1700brute force, data structures, mathGNU C++1730 January 2020 16:13:57
449Position in FractionB1300math, number theoryGNU C++1730 January 2020 15:38:39
448Find Extra OneA800geometry, implementationGNU C++1730 January 2020 15:32:57
447Devu and Birthday CelebrationE2100combinatorics, dp, mathGNU C++1730 January 2020 13:35:56
446Valera and SwapsD2100constructive algorithms, dsu, graphs, implementation, math, string suffix structuresGNU C++1727 January 2020 19:14:56
445Bear and Forgotten Tree 2E2400dfs and similar, dsu, graphs, treesGNU C++1727 January 2020 14:07:05
444Olympiad in Programming and SportsI2000dp, flows, graphs, greedyGNU C++1727 January 2020 12:32:03
443Gerald and Giant ChessC2200combinatorics, dp, math, number theoryGNU C++1727 January 2020 07:41:01
442Valera and FoolsD2200dfs and similar, dp, graphs, shortest pathsGNU C++1726 January 2020 10:50:00
441Cyclic ColoringC2200dfs and similarGNU C++1725 January 2020 19:37:32
440Mr. Kitayuta's Colorful GraphB1400dfs and similar, dp, dsu, graphsGNU C++1728 October 2019 13:37:34
439Breaking GoodE2100dfs and similar, dp, graphs, shortest pathsGNU C++1724 January 2020 20:06:20
438Graph CuttingE2300dfs and similar, graphsGNU C++1724 January 2020 18:20:24
437Gourmet choiceD2000dfs and similar, dp, dsu, graphs, greedyGNU C++1723 January 2020 19:47:37
436Obtain a PermutationE1900greedy, implementation, mathGNU C++1723 January 2020 16:52:36
435Three Paths on a TreeF2000dfs and similar, dp, greedy, treesGNU C++1723 January 2020 15:23:12
434MEX maximizingD1600data structures, greedy, implementation, mathGNU C++1722 January 2020 15:07:41
433Product of Three NumbersC1300greedy, math, number theoryGNU C++1722 January 2020 14:50:33
432Collecting PackagesB1200implementation, sortingsGNU C++1722 January 2020 14:45:36
431Collecting CoinsA800mathGNU C++1722 January 2020 14:38:07
430Cartons of milkD2100binary search, data structures, greedy, sortings, two pointersGNU C++1722 January 2020 14:31:25
429Vanya and ScalesC1900brute force, dp, greedy, math, meet-in-the-middle, number theoryGNU C++1722 January 2020 13:29:04
428Russian RouletteC1900constructive algorithms, greedyGNU C++1722 January 2020 12:52:52
427President and RoadsE2200dfs and similar, graphs, hashing, shortest pathsGNU C++1722 January 2020 11:34:16
426A Game with TrapsD1900binary search, dp, greedy, sortingsGNU C++1721 January 2020 16:42:55
425Dr. Evil UnderscoresD1900bitmasks, brute force, dfs and similar, divide and conquer, dp, greedy, strings, treesGNU C++1721 January 2020 14:06:10
424Strange DeviceD1900constructive algorithms, interactive, math, sortingsGNU C++1721 January 2020 12:02:29
423Resource DistributionB1700binary search, implementation, sortingsGNU C++1720 January 2020 16:14:45
422NEKO's Maze GameC1400constructive algorithms, implementationGNU C++1719 January 2020 14:03:29
421JOE is on TV!B1000combinatorics, greedy, mathGNU C++1719 January 2020 13:47:39
420ConneR and the A.R.C. Markland-NA1100binary search, brute force, implementationGNU C++1719 January 2020 13:42:09
419Circle MetroA900implementation, mathGNU C++1719 January 2020 11:58:22
418Sonya and MatrixD2300brute force, constructive algorithms, implementationGNU C++1719 January 2020 10:56:12
417Robin HoodB2000binary search, greedyGNU C++1719 January 2020 09:34:13
416Take-off RampsD2300graphs, shortest pathsGNU C++1719 January 2020 09:04:26
415CommentsE1700dfs and similar, expression parsing, implementation, stringsGNU C++1718 January 2020 17:27:45
414Winter Is ComingD1800dp, greedy, sortingsGNU C++1718 January 2020 17:01:57
413ServersC1300implementationGNU C++1718 January 2020 16:13:02
412Mammoth's Genome DecodingB900implementation, stringsGNU C++1718 January 2020 16:04:12
411Display SizeA800brute force, mathGNU C++1718 January 2020 15:57:35
410The Football SeasonC2000brute force, math, number theoryGNU C++1718 January 2020 10:28:27
409XOR GuessingE1900bitmasks, interactive, mathGNU C++1717 January 2020 17:07:01
408Robot ControlD2600dp, graphs, shortest pathsGNU C++1717 January 2020 08:16:14
407Wizard's TourF2300constructive algorithms, dfs and similar, graphsGNU C++1716 January 2020 12:49:18
406Mahmoud and Ehab and the binary stringD2000binary search, divide and conquer, interactiveGNU C++1715 January 2020 17:54:55
405Mahmoud and Ehab and the xorC1900constructive algorithmsGNU C++1715 January 2020 16:29:58
404Mahmoud and Ehab and the bipartitenessB1300dfs and similar, graphs, treesGNU C++1715 January 2020 16:11:51
403Mahmoud and Ehab and the MEXA1000greedy, implementationGNU C++1715 January 2020 15:59:15
402Sagheer, the HausmeisterB1600bitmasks, brute force, dpGNU C++1715 January 2020 15:05:47
401BerOS file systemA1700implementationGNU C++1715 January 2020 09:56:49
400Word FoldingBundefinedbrute forceGNU C++1714 January 2020 18:57:02
399Yet Another Meme ProblemB1100mathGNU C++1114 January 2020 15:32:26
398DeadlineA1100binary search, brute force, math, ternary searchGNU C++1114 January 2020 15:13:33
397Suitable ReplacementD1500binary search, greedy, implementationGNU C++1113 January 2020 17:59:25
396Multi-judge SolvingC1600greedy, implementationGNU C++1113 January 2020 17:43:34
395Five-In-a-RowB1600brute force, implementationGNU C++1113 January 2020 17:26:10
394Binary ProtocolA1100implementationGNU C++1113 January 2020 16:11:10
393President's PathE2500dp, graphs, shortest pathsGNU C++1113 January 2020 15:37:23
392Shortest PathE2000graphs, shortest pathsGNU C++1112 January 2020 19:02:16
391Almost PrimeA900number theoryGNU C++1112 January 2020 17:26:54
390Jzzhu and CitiesB2000graphs, greedy, shortest pathsGNU C++1111 January 2020 17:27:19
389Police StationC1900dp, graphs, shortest pathsGNU C++1110 January 2020 18:16:16
388Fadi and LCMC1400brute force, math, number theoryGNU C++1110 January 2020 14:59:10
387Just Eat It!B1300dp, greedy, implementationGNU C++1110 January 2020 14:23:53
386Mezo Playing ZomaA800mathGNU C++1110 January 2020 14:07:42
385Missile SilosD1900data structures, dfs and similar, graphs, shortest pathsGNU C++1110 January 2020 07:20:39
384Paths and TreesE2000graphs, greedy, shortest pathsGNU C++1110 January 2020 05:36:58
383Police StationsD2100constructive algorithms, dfs and similar, dp, graphs, shortest paths, treesGNU C++1109 January 2020 19:58:31
382QuarrelE2400graphs, shortest pathsGNU C++1109 January 2020 19:09:53
381Roads in BerlandC1900graphs, shortest pathsGNU C++1109 January 2020 18:26:19
380Cowboy Beblop at his computerI2800geometryGNU C++1109 January 2020 11:19:43
379AlgoRaceB1800dp, shortest pathsGNU C++1108 January 2020 19:16:55
378VolleyballC1900shortest pathsGNU C++1107 January 2020 18:54:10
377String ProblemB1800shortest pathsGNU C++1706 January 2020 14:30:55
376Jumping on WallsB1400shortest pathsGNU C++1711 November 2019 12:58:14
375GarlandB1200implementationGNU C++1124 December 2019 18:36:26
374Dijkstra?C1900graphs, shortest pathsGNU C++1106 January 2020 08:40:41
373HypersetB1500brute force, data structures, implementationGNU C++1105 January 2020 15:43:21
372Angry StudentsA800greedy, implementationGNU C++1105 January 2020 14:09:23
371Valid BFS?D1700dfs and similar, graphs, shortest paths, treesGNU C++1105 January 2020 12:24:52
370Greg and GraphB1700dp, graphs, shortest pathsGNU C++1104 January 2020 18:14:24
369New Year and Ascent SequenceB1400binary search, combinatorics, data structures, dp, implementation, sortingsGNU C++1104 January 2020 14:24:50
368New Year and PermutationC1600combinatorics, mathGNU C++1104 January 2020 13:11:18
367New Year and NamingA800implementation, stringsGNU C++1104 January 2020 12:09:21
366Bear and Up-DownC1900brute force, implementationGNU C++1103 January 2020 19:24:30
365TurtlesD2500dp, matricesGNU C++1102 January 2020 18:13:45
364Farewell PartyB1500constructive algorithms, implementationGNU C++1101 January 2020 15:04:42
363Magic ForestB1300brute forceGNU C++1101 January 2020 13:05:02
362Building PermutationC1200greedy, implementation, sortingsGNU C++1101 January 2020 12:38:53
361Optimal Point on a LineB1400brute force, sortingsGNU C++1101 January 2020 12:32:33
360The ModcrabB1200greedy, implementationGNU C++1101 January 2020 10:44:53
359Valera and PlatesA900greedy, implementationGNU C++1101 January 2020 10:26:03
358Div. 64A1000implementationGNU C++1101 January 2020 10:13:10
357Brain's PhotosA800implementationGNU C++1101 January 2020 09:47:57
356Run For Your PrizeB1100brute force, greedyGNU C++1131 December 2019 17:59:38
355TV GameE2400dpGNU C++1130 December 2019 10:58:22
354Make GoodC1400bitmasks, constructive algorithms, mathGNU C++1129 December 2019 15:25:40
353Interesting SubarrayB1200constructive algorithms, greedy, mathGNU C++1129 December 2019 14:52:05
352MancalaB1100brute force, implementationGNU C++1129 December 2019 13:48:20
351New Year and the Treasure GeolocationB1200brute force, constructive algorithms, greedy, implementationGNU C++1129 December 2019 13:36:58
350New Year and CurlingC1500brute force, geometry, implementation, mathGNU C++1129 December 2019 10:36:47
349New Year and Buggy BotB1200brute force, implementationGNU C++1129 December 2019 09:40:41
348New Year and Counting CardsA800brute force, implementationGNU C++1129 December 2019 09:25:22
347Easter EggsB1200constructive algorithms, implementationGNU C++1128 December 2019 16:17:20
346Flag 2E2000dpGNU C++1127 December 2019 15:58:28
345Kyoya and Colored BallsA1500combinatorics, dp, mathGNU C++1126 December 2019 19:43:47
344KindergartenD2400data structures, dp, greedyGNU C++1126 December 2019 18:41:42
343Upgrading ArrayD1800dp, greedy, math, number theoryGNU C++1126 December 2019 16:37:10
342Bargaining TableB1500brute force, dpGNU C++1126 December 2019 15:44:03
341Oranges and ApplesC2500constructive algorithms, sortingsGNU C++1126 December 2019 14:42:54
340Taxi drivers and LyftB1200implementation, sortingsGNU C++1125 December 2019 15:16:54
339Alyona and NumbersA1100constructive algorithms, math, number theoryGNU C++1124 December 2019 18:52:43
338K for the Price of One (Hard Version)B21600dp, greedy, sortingsGNU C++1124 December 2019 15:40:51
337K for the Price of One (Easy Version)B11400dp, greedy, sortingsGNU C++1124 December 2019 15:13:54
336Temporarily unavailableA900implementation, mathGNU C++1124 December 2019 14:43:52
335Destroying ArrayC1600data structures, dsuGNU C++1124 December 2019 13:52:21
334Round Table KnightsC1600dp, math, number theoryGNU C++1124 December 2019 11:52:38
333DZY Loves PlantingE2700binary search, dsu, treesGNU C++1123 December 2019 14:34:36
332Even OddsA900mathGNU C++1123 December 2019 08:42:33
331Long Beautiful IntegerC1700greedy, implementationGNU C++1122 December 2019 08:54:51
330EnvyC2300data structures, dsu, graphsGNU C++1121 December 2019 18:40:57
329Modulo EqualityB1500brute force, sortingsGNU C++1121 December 2019 13:02:31
328Domino for YoungD2000combinatorics, constructive algorithms, mathGNU C++1121 December 2019 12:39:15
327EquationA800brute force, mathGNU C++1121 December 2019 11:08:36
326Valera and Tubes C1500constructive algorithms, dfs and similar, implementationGNU C++1120 December 2019 14:58:55
325Hamming Distance SumB1500combinatorics, stringsGNU C++1120 December 2019 14:58:04
324Weakened Common DivisorB1600brute force, greedy, number theoryGNU C++1120 December 2019 14:57:22
323Voting for PhotosA1000*special, constructive algorithms, implementationGNU C++1119 December 2019 18:30:27
322A and BB1500greedy, mathGNU C++1119 December 2019 15:49:02
321Shuffle HashingA1000brute force, implementation, stringsGNU C++1119 December 2019 14:43:56
320Imbalance Value of a TreeF2400data structures, dsu, graphs, treesGNU C++1118 December 2019 13:27:21
319Jeff and PermutationE2200greedyGNU C++1118 December 2019 09:53:18
318Memory for ArraysC1900binary search, bitmasks, greedyGNU C++1117 December 2019 19:50:39
317Diverse MatrixC1400constructive algorithms, greedy, math, number theoryGNU C++1117 December 2019 16:05:23
316Dice TowerB1000constructive algorithms, mathGNU C++1117 December 2019 15:36:21
315Competitive ProgrammerA1000chinese remainder theorem, mathGNU C++1117 December 2019 15:23:37
314RestaurantB1600dp, greedy, sortingsGNU C++1117 December 2019 13:33:05
313Born This WayB1600binary search, brute force, two pointersGNU C++1117 December 2019 12:07:06
312Another One Bites The DustA800greedyGNU C++1117 December 2019 11:28:51
311Square TilingE2300constructive algorithms, greedyGNU C++1117 December 2019 10:42:55
310Happy LineG2200constructive algorithms, greedy, sortingsGNU C++1117 December 2019 08:02:02
309FairD1600graphs, shortest pathsGNU C++1416 December 2019 13:51:57
308Three displaysC1400brute force, dp, implementationGNU C++1416 December 2019 13:29:58
307High School: Become HumanB1100mathGNU C++1416 December 2019 13:11:52
306Infinity GauntletA800implementationGNU C++1416 December 2019 12:54:28
305Anya and GhostsC1600constructive algorithms, greedyGNU C++1416 December 2019 08:57:27
304Azamon Web ServicesB1600greedyGNU C++1416 December 2019 08:33:53
303Vasya and ArraysD1600greedy, two pointersGNU C++1415 December 2019 13:36:56
302BeingawesomeismD1800constructive algorithms, greedy, implementation, mathGNU C++1415 December 2019 11:57:07
301Shawarma TentC1300brute force, geometry, greedy, implementationGNU C++1415 December 2019 10:00:46
300BlocksB1300greedy, mathGNU C++1415 December 2019 09:41:00
299SuitsA800brute force, greedy, mathGNU C++1415 December 2019 09:29:07
298Suffix ThreeA800implementationGNU C++1415 December 2019 05:09:37
297Toy SumD1700greedy, implementation, mathGNU C++1414 December 2019 17:29:26
296Domino EffectB1100GNU C++1414 December 2019 16:56:21
295Gravity FlipA900greedy, implementation, sortingsGNU C++1714 December 2019 16:07:00
294Pair of ToysB1000mathGNU C++1714 December 2019 15:10:20
293Bracket SubsequenceC1200greedyGNU C++1714 December 2019 14:45:18
292Single Wildcard Pattern MatchingA1200brute force, implementation, stringsGNU C++1714 December 2019 14:40:59
291Make Them OddB1200greedy, number theoryGNU C++1714 December 2019 11:41:35
290Happy Birthday, Polycarp!A1000implementationGNU C++1714 December 2019 11:17:37
289Little Pony and Summer Sun CelebrationC2200constructive algorithms, dfs and similar, graphsGNU C++1713 December 2019 06:55:16
288Snow Walking RobotB1200constructive algorithms, greedy, implementationGNU C++1712 December 2019 15:09:09
287Yet Another Broken KeyboardC1200combinatorics, dp, implementationGNU C++1712 December 2019 14:11:59
286Three FriendsA900brute force, greedy, math, sortingsGNU C++1712 December 2019 13:47:00
285Data Center DramaE2600dfs and similar, graphsGNU C++1712 December 2019 12:36:28
284Dreamoon and StairsA1000implementation, mathGNU C++1711 December 2019 16:20:00
283Mike and FishD2600constructive algorithms, dfs and similar, graphsGNU C++1709 December 2019 19:12:01
282Tanya and PasswordD2500dfs and similar, graphsGNU C++1709 December 2019 11:42:42
281Beautiful SequenceD1900constructive algorithms, greedyGNU C++1706 December 2019 06:36:18
280DominoesB2000dfs and similar, graphsGNU C++1707 December 2019 18:27:02
279Bindian SignalizingE2400data structuresPyPy 307 December 2019 16:13:45
278Beautiful Regional ContestC1500greedy, implementationGNU C++1705 December 2019 15:43:49
277Beautiful StringA1000constructive algorithms, greedyGNU C++1705 December 2019 15:15:52
276Beautiful NumbersB1300data structures, implementation, math, two pointersGNU C++1705 December 2019 15:12:58
275George and AccommodationA800implementationPyPy 304 December 2019 18:22:14
274Case of FugitiveB2000data structures, greedy, sortingsGNU C++1703 December 2019 16:48:11
273Minimum spanning tree for each edgeE2100data structures, dfs and similar, dsu, graphs, treesGNU C++1702 December 2019 13:24:35
272HQ9+A900implementationPyPy 301 December 2019 19:51:19
271Beautiful RoadD2300dfs and similar, dp, dsu, graphs, implementation, sortings, treesGNU C++1701 December 2019 13:18:38
270Weak MemoryC2000dfs and similar, dsuGNU C++1730 November 2019 12:18:44
269st-Spanning TreeF2300dsu, graphs, greedy, implementationGNU C++1730 November 2019 08:13:20
268Everyone is a Winner!C1400binary search, math, meet-in-the-middle, number theoryGNU C++1729 November 2019 16:31:27
267PIN CodesB1400greedy, implementationGNU C++1729 November 2019 15:34:40
266Sweet ProblemA1100mathGNU C++1729 November 2019 15:13:03
265Edges in MSTD2300dfs and similar, dsu, graphs, sortingsGNU C++1728 November 2019 18:57:54
264VesselsD1800data structures, dsu, implementation, treesGNU C++1728 November 2019 15:01:43
263Lucky TreeE1900combinatorics, dfs and similar, treesGNU C++1728 November 2019 12:55:02
262Nearly Lucky NumberA800implementationGNU C++1728 November 2019 12:17:05
261Infinite FenceC1700greedy, math, number theoryGNU C++1727 November 2019 18:27:28
260Obtain Two ZeroesB1300binary search, mathGNU C++1127 November 2019 14:31:14
259HeatingA1000mathGNU C++1127 November 2019 13:57:57
258Harmonious GraphD1700constructive algorithms, dfs and similar, dsu, graphs, greedy, sortingsGNU C++1126 November 2019 19:36:44
257WTF?C1700*special, graph matchings, implementation, treesGNU C++1126 November 2019 17:51:31
256Restructuring CompanyD1900data structures, dsuGNU C++1126 November 2019 16:51:13
255Destroying RoadsB2100constructive algorithms, graphs, shortest pathsGNU C++1126 November 2019 16:34:15
254GukiZ hates BoxesC2200binary search, greedyGNU C++1125 November 2019 15:17:09
253Asya And KittensF1700constructive algorithms, dsuGNU C++1725 November 2019 11:39:01
252Queue at the SchoolB800constructive algorithms, graph matchings, implementation, shortest pathsGNU C++1124 November 2019 20:00:35
251FactoryA1400implementation, math, matricesGNU C++1124 November 2019 19:29:30
250A + B Strikes BackH1500*special, brute force, constructive algorithms, dsu, implementationGNU C++1123 November 2019 17:34:32
249Polo the Penguin and MatrixB1400brute force, dp, implementation, sortings, ternary searchGNU C++1124 November 2019 18:27:34
248Rock-paper-scissorsA900implementation, schedulesGNU C++1123 November 2019 19:13:41
247Sweets EatingC1500dp, greedy, math, sortingsGNU C++1116 November 2019 15:41:04
246Silly MistakeB1400greedy, implementationGNU C++1116 November 2019 14:55:57
245Single PushA1000implementationGNU C++1116 November 2019 14:40:31
244Dominated SubarrayC1200greedy, implementation, sortings, strings, two pointersGNU C++1116 November 2019 13:21:02
243Pens and PencilsA800mathGNU C++1115 November 2019 14:20:05
242Nastya Is Reading a BookA800implementationGNU C++1115 November 2019 13:53:50
241Telephone NumberA800brute force, greedy, stringsGNU C++1115 November 2019 12:56:32
240Tokitsukaze and EnhancementA800brute forceGNU C++1115 November 2019 12:41:28
239TaxiB1100*special, greedy, implementationGNU C++1115 November 2019 12:32:59
238Soldier and BananasA800brute force, implementation, mathGNU C++1115 November 2019 12:14:37
237Lucky DivisionA1000brute force, number theoryGNU C++1115 November 2019 11:56:44
236TramA800implementationGNU C++1115 November 2019 11:14:44
235Chamber of SecretsB1800dfs and similar, shortest pathsGNU C++1115 November 2019 10:16:50
234Greg and FriendsC2100combinatorics, dp, graphs, shortest pathsGNU C++1114 November 2019 19:20:25
233Magic StickB1000mathGNU C++1113 November 2019 14:49:23
232Two Rival StudentsA800greedy, mathGNU C++1113 November 2019 14:38:50
231Three StatesC2200dfs and similar, graphs, shortest pathsGNU C++1112 November 2019 16:45:24
230The Two RoutesA1600graphs, shortest pathsGNU C++1711 November 2019 07:34:11
229Boy or GirlA800brute force, implementation, stringsGNU C++1710 November 2019 16:31:52
228Stones on the TableA800implementationGNU C++1710 November 2019 16:27:57
227Binary String MinimizingD1500greedyGNU C++1710 November 2019 16:24:03
226Fire AgainC1500brute force, dfs and similar, shortest pathsGNU C++1710 November 2019 16:12:46
225Biridian ForestB1500dfs and similar, shortest pathsGNU C++1709 November 2019 17:37:11
224Two ButtonsB1400dfs and similar, graphs, greedy, implementation, math, shortest pathsGNU C++1709 November 2019 16:14:29
2230-1 MSTD1900dfs and similar, dsu, graphs, two pointersGNU C++1708 November 2019 17:26:01
222Counter AttackE2100data structures, dsu, graphs, hashing, sortingsGNU C++1708 November 2019 17:23:11
221Tile PaintingC1500number theoryGNU C++1707 November 2019 18:14:11
220Character Swap (Easy Version)B11000stringsGNU C++1706 November 2019 17:44:55
219Maximum SquareA800implementationGNU C++1706 November 2019 15:09:53
218Tolik and His UncleB1800constructive algorithmsGNU C++1706 November 2019 09:39:38
217Pouring RainA1100geometry, mathGNU C++1705 November 2019 20:16:00
216ACM ICPCA1000brute forcePython 305 November 2019 20:02:08
215Gleb And PizzaB1100geometryGNU C++1705 November 2019 19:57:53
214Undoubtedly Lucky NumbersB1600bitmasks, brute force, dfs and similarGNU C++1705 November 2019 17:50:10
213Dividing OrangeA900implementationGNU C++1705 November 2019 17:21:39
212Minimize the PermutationB1400greedyGNU C++1704 November 2019 14:40:22
211Payment Without ChangeA1000mathGNU C++1704 November 2019 13:23:10
210Ralph And His Magic FieldB1800combinatorics, constructive algorithms, math, number theoryGNU C++1704 November 2019 11:16:12
209Strings EqualizationB1000brute force, stringsGNU C++1706 October 2019 16:07:51
208Giving AwardsD2000dfs and similarGNU C++1703 November 2019 16:30:03
207Diverse StringsA800implementation, stringsGNU C++1703 November 2019 16:07:37
206Make a triangle!A800brute force, geometry, mathGNU C++1702 November 2019 17:57:41
205Constanze's MachineC1400dpGNU C++1701 November 2019 15:17:15
204Restricted RPSB1200constructive algorithms, dp, greedyGNU C++1701 November 2019 14:57:39
203Good ol' Numbers ColoringA1000math, number theoryGNU C++1701 November 2019 14:40:20
202Guard TowersE2600binary search, dsu, geometry, graphs, sortingsGNU C++1731 October 2019 17:58:05
201New Year Santa NetworkD1900combinatorics, dfs and similar, graphs, treesGNU C++1730 October 2019 19:33:28
200Block TowerD1900constructive algorithms, dfs and similar, graphsGNU C++1729 October 2019 17:28:11
199Ant on the TreeD2000constructive algorithms, dfs and similar, treesGNU C++1729 October 2019 09:19:02
198Apple TreeB2100dfs and similar, number theory, treesGNU C++1728 October 2019 21:24:00
197Distance in TreeD1800dfs and similar, dp, treesGNU C++1728 October 2019 15:52:16
196New Year PermutationB1600dfs and similar, dsu, graphs, greedy, math, sortingsGNU C++1728 October 2019 11:38:55
195Ping-Pong (Easy Version)B1500dfs and similar, graphsGNU C++1728 October 2019 08:32:05
194Ice SkatingA1200brute force, dfs and similar, dsu, graphsGNU C++1727 October 2019 21:14:03
193PartyA900dfs and similar, graphs, treesGNU C++1727 October 2019 20:45:11
192DZY Loves ChemistryB1400dfs and similar, dsu, greedyGNU C++1727 October 2019 19:21:21
191Learning LanguagesA1400dfs and similar, dsuGNU C++1727 October 2019 17:37:03
190BracketsC2300combinatorics, dp, greedyGNU C++1725 October 2019 18:02:30
189Bit++A800implementationGNU C++1723 October 2019 18:18:34
188By Elevator or Stairs?E1700dp, shortest pathsGNU C++1722 October 2019 16:23:39
187Books Exchange (easy version)B11000dsu, mathGNU C++1722 October 2019 16:09:39
186Good Numbers (easy version)C11300brute force, greedy, implementationGNU C++1722 October 2019 16:08:30
185Good Numbers (hard version)C21500binary search, greedy, math, meet-in-the-middleGNU C++1722 October 2019 16:07:59
184Books Exchange (hard version)B21300dfs and similar, dsu, mathGNU C++1722 October 2019 15:52:08
183Yet Another Dividing into TeamsA800mathGNU C++1722 October 2019 14:41:56
182Xor-treeA1300dfs and similar, treesGNU C++1721 October 2019 16:40:49
181Domino pilingA800greedy, mathGNU C++1721 October 2019 13:32:01
180Balanced Rating ChangesA1000implementation, mathGNU C++1720 October 2019 15:39:28
179Ivan the Fool and the Probability TheoryC1700combinatorics, dp, mathGNU C++1720 October 2019 14:12:21
178Grow The TreeB900greedy, math, sortingsGNU C++1720 October 2019 09:25:30
177Integer PointsA1000geometry, mathGNU C++1720 October 2019 09:16:16
176Kefa and ParkC1500dfs and similar, graphs, treesGNU C++1719 October 2019 15:52:52
175Lost NumbersB1400brute force, divide and conquer, interactive, mathGNU C++1718 October 2019 19:04:29
174Functions againA1600dp, two pointersGNU C++1718 October 2019 16:50:47
173LabsC1300constructive algorithms, greedy, implementationGNU C++1717 October 2019 14:47:03
172StonesA800brute force, greedy, mathGNU C++1717 October 2019 13:58:32
171Alice and the List of PresentsB1500combinatorics, mathGNU C++1717 October 2019 13:53:35
170Shaass and BookshelfB1700dp, greedyGNU C++1714 October 2019 16:49:20
169Booking SystemC1600binary search, dp, greedy, implementationGNU C++1714 October 2019 14:12:12
168Minesweeper 1DD1900dp, implementationGNU C++1712 October 2019 16:21:36
167Fragile BridgesC2000dpGNU C++1711 October 2019 16:25:29
166TowersD2100dp, greedy, two pointersGNU C++1710 October 2019 16:59:49
165Kill `Em AllB1300greedy, sortingsGNU C++1709 October 2019 14:53:03
164Prime SubtractionA900math, number theoryGNU C++1708 October 2019 14:38:20
163Logo TurtleC1800dpGNU C++1707 October 2019 18:15:17
162PorcelainE1900dpGNU C++1707 October 2019 14:03:18
161CMEA800mathGNU C++1706 October 2019 15:09:19
160PalindromeB1900constructive algorithms, dpGNU C++1705 October 2019 18:09:34
159ZumaB1900dpGNU C++1705 October 2019 17:46:16
158Bubble Sort GraphD1500binary search, data structures, dpGNU C++1704 October 2019 18:30:47
157World CupA1200constructive algorithms, implementationGNU C++1704 October 2019 16:05:42
156Chocolate BarE2000brute force, dpGNU C++1703 October 2019 19:04:58
155Jon and OrbsD2200dp, math, probabilitiesGNU C++1703 October 2019 16:34:43
154Dima and HaresD1800dp, greedyGNU C++1703 October 2019 12:29:35
153Characteristics of RectanglesD2100binary search, bitmasks, brute force, implementation, sortingsGNU C++1703 October 2019 10:55:41
152PipesC1500dp, implementationGNU C++1701 October 2019 16:30:52
151Social Network (hard version)B21300data structures, implementationGNU C++1701 October 2019 15:39:06
150Social Network (easy version)B11000implementationGNU C++1701 October 2019 15:00:55
149Equalize Prices AgainA800mathGNU C++1701 October 2019 14:40:54
148Connected Component on a ChessboardE1800constructive algorithms, implementationGNU C++1730 September 2019 12:46:32
147RGB Substring (easy version)D11500implementationGNU C++1730 September 2019 11:49:56
146RGB Substring (hard version)D21600data structures, dp, implementation, two pointersGNU C++1730 September 2019 11:49:28
145Robot BreakoutC1500implementationGNU C++1730 September 2019 11:25:42
144Odd Sum SegmentsB1200constructive algorithms, mathGNU C++1730 September 2019 11:12:49
143Three Piles of CandiesA800brute force, constructive algorithms, mathGNU C++1724 July 2019 17:42:36
142MarathonB1500implementation, mathGNU C++1729 September 2019 19:02:13
141CoachB1500brute force, dfs and similar, graphsPyPy 328 September 2019 18:20:56
140Did you mean...C1500dp, greedy, implementationGNU C++1728 September 2019 17:31:39
139Coffee and Coursework (Hard Version)D21700binary search, greedyGNU C++1726 September 2019 11:10:06
138Coffee and Coursework (Easy version)D11700brute force, greedyGNU C++1726 September 2019 11:02:37
137Tanya and CandiesB1200implementationGNU C++1726 September 2019 10:19:11
136Water BuyingA800mathGNU C++1726 September 2019 10:03:00
135Valera and XA1000implementationGNU C++1724 September 2019 14:01:05
134Ania and MinimizingB1000greedy, implementationGNU C++1723 September 2019 18:30:19
133Dawid and Bags of CandiesA800brute force, implementationGNU C++1723 September 2019 14:10:49
132Multiplication TableA1000implementation, number theoryGNU C++1715 August 2019 16:10:55
131AccordionB1300greedy, implementationGNU C++1719 September 2019 15:04:23
130Substring Game in the LessonC1300games, greedy, stringsGNU C++1718 September 2019 17:35:24
129CardsA800implementation, sortings, stringsGNU C++1718 September 2019 16:12:05
128The Number of ProductsB1400combinatorics, dp, implementationGNU C++1715 September 2019 11:33:54
127Yellow CardsA1000greedy, implementation, mathGNU C++1715 September 2019 10:50:28
126Dice RollingA800mathGNU C++1714 September 2019 20:02:47
125LawnmowerB1500greedy, sortingsPython 314 September 2019 19:55:30
124The RankA800implementationGNU C++1710 September 2019 16:38:55
123Points in SegmentsA800implementationGNU C++1710 September 2019 15:54:27
122Creating a CharacterA1300binary search, mathPython 310 September 2019 12:42:31
121There Are Two Types Of BurgersA800brute force, greedy, implementation, mathGNU C++1709 September 2019 20:12:41
120Tanya and StairwaysA800implementationGNU C++1709 September 2019 20:09:24
119MinimizationB2000dp, greedy, sortingsGNU C++1707 September 2019 11:42:27
118Red-Green TowersD2000dpGNU C++1706 September 2019 17:42:12
117Gargari and PermutationsD1900dfs and similar, dp, graphs, implementationGNU C++1706 September 2019 16:32:04
116Caesar's LegionsD1700dpGNU C++1705 September 2019 12:44:02
115Mashmokh and ACMB1400combinatorics, dp, number theoryGNU C++1704 September 2019 16:59:32
114Bad SequenceC1200data structures, greedyGNU C++1704 September 2019 10:47:55
113BadgesB1100brute force, mathGNU C++1704 September 2019 10:16:32
112Optimal Currency ExchangeA1400brute force, mathGNU C++1704 September 2019 10:05:24
111Maximum AbsurdityB1500data structures, dp, implementationPyPy 303 September 2019 16:52:29
110Number of WaysC1700binary search, brute force, data structures, dp, two pointersGNU C++1702 September 2019 13:23:38
109WeatherC1300dp, implementationGNU C++1701 September 2019 16:24:35
108BoredomA1500dpGNU C++1701 September 2019 10:24:17
107Berland colliderE2300binary searchGNU C++1429 August 2019 17:06:01
106Bad PricesB1100data structures, implementationGNU C++1430 August 2019 15:07:51
105Chips MovingA900mathGNU C++1430 August 2019 14:41:19
104QAQA800brute force, dpGNU C++1729 August 2019 17:31:33
103Teams FormingB800sortingsGNU C++1724 August 2019 17:36:51
102Road ConstructionB1300constructive algorithms, graphsGNU C++1723 August 2019 05:57:56
101Lexicographically Maximum SubsequenceA1100greedy, stringsGNU C++1723 August 2019 04:34:17
100Alternating CurrentB1600data structures, greedy, implementationGNU C++1719 July 2019 16:12:42
99Psychos in a LineB1900data structures, implementationGNU C++1722 August 2019 18:59:16
98OpenStreetMapE2100data structures, two pointersGNU C++1722 August 2019 17:37:04
97Renting BikesD1800binary search, greedyGNU C++1721 August 2019 17:35:00
96Single-use StonesD1900binary search, flows, greedy, two pointersGNU C++1721 August 2019 15:51:04
95HamburgersC1600binary search, brute forceGNU C++1715 August 2019 19:08:18
94Counting Kangaroos is FunA1600binary search, greedy, sortings, two pointersGNU C++1715 August 2019 15:59:18
93MafiaA1600binary search, math, sortingsGNU C++1709 August 2019 08:27:54
92Amusing JokeA800implementation, sortings, stringsGNU C++1706 August 2019 14:49:48
91Key racesA800mathGNU C++1704 August 2019 05:34:50
90Polycarp's PocketsA800implementationGNU C++1103 August 2019 15:05:43
89Adjacent ReplacementsA800implementationGNU C++1703 August 2019 14:53:23
88Repeating CipherA800implementationGNU C++1102 August 2019 15:52:39
87One-dimensional Japanese CrosswordA800implementationGNU C++1102 August 2019 15:33:44
86DubstepA900stringsPyPy 331 July 2019 17:35:07
85Petya and StringsA800implementation, stringsPyPy 330 July 2019 16:12:19
84FootballA900implementation, stringsPyPy 330 July 2019 15:57:51
83TranslationA800implementation, stringsPyPy 330 July 2019 15:48:05
82cAPS lOCKA1000implementation, stringsPyPy 330 July 2019 15:41:37
81Alex and a RhombusA800dp, implementation, mathGNU C++1730 July 2019 15:05:42
80SuspectsB1600constructive algorithms, data structures, implementationGNU C++1729 July 2019 18:13:58
79Find PairC1700implementation, math, sortingsGNU C++1729 July 2019 17:06:52
78To xor or not to xor275undefinedGNU C++1729 July 2019 15:56:09
77Counting117undefinedGNU C++1729 July 2019 15:53:16
76Index of super-prime116undefinedGNU C++1729 July 2019 15:52:08
75Andrew's Troubles276undefinedGNU C++1729 July 2019 15:13:02
74Preparing Problem551undefinedGNU C++1729 July 2019 15:08:53
73Little Rooks222undefinedGNU C++1729 July 2019 15:04:51
72Three LogosD1700bitmasks, brute force, constructive algorithms, geometry, implementation, mathGNU C++1729 July 2019 15:02:44
71Bicycle RaceD1500geometry, implementation, mathGNU C++1729 July 2019 11:59:15
70Recover the StringB1900constructive algorithms, greedy, implementation, mathGNU C++1728 July 2019 11:22:51
69Removing ColumnsC1500brute force, constructive algorithms, implementationGNU C++1727 July 2019 18:08:35
68The Child and SetB1500bitmasks, greedy, implementation, sortingsGNU C++1726 July 2019 17:35:44
67Prime Sum231undefinedGNU C++1726 July 2019 15:42:42
66Colorful FieldB1400implementation, sortingsGNU C++1726 July 2019 15:13:19
65Vanya and LabelC1500bitmasks, combinatorics, implementation, strings