Auto-generated with ❤ using Harwest
A repository to keep track of problem solving practice, containing solutions from platforms:
- Codeforces
Codeforces is a website which hosts competitive programming contests: http://codeforces.com
| # | Title | Solution | Tags | Submitted |
|---|---|---|---|---|
| 144 | A - Cancel the Trains | GNU C++17 | implementation *800 |
Dec/22/2020 14:10 |
| 143 | B - Dubious Cyrpto | GNU C++17 | binary search brute force math number theory *1500 |
Jul/29/2020 12:24 |
| 142 | C1 - Prefix Flip (Easy Version) | GNU C++17 | constructive algorithms data structures strings *1300 |
Jul/21/2020 20:57 |
| 141 | B - Sequential Nim | GNU C++17 | dp games *1100 |
Jul/21/2020 20:39 |
| 140 | A - Common Subsequence | GNU C++17 | brute force *800 |
Jul/21/2020 20:08 |
| 139 | D - Bad Luck Island | GNU C++17 | dp probabilities *1900 |
Jul/09/2020 18:26 |
| 138 | E - Pashmak and Graph | GNU C++17 | dp sortings *1900 |
Jul/08/2020 11:22 |
| 137 | D - Ehab and another another xor problem | GNU C++17 | bitmasks constructive algorithms implementation interactive *2000 |
Jul/08/2020 07:54 |
| 136 | D - Pair of Numbers | GNU C++17 | binary search brute force data structures math two pointers *2000 |
Jun/29/2020 19:23 |
| 135 | D - Memory and Scores | GNU C++17 | combinatorics dp math *2200 |
Jun/29/2020 11:23 |
| 134 | E - Wet Shark and Blocks | GNU C++17 | dp matrices *2000 |
Jun/28/2020 10:39 |
| 133 | D - Round Subset | GNU C++17 | dp math *2100 |
Jun/27/2020 09:53 |
| 132 | D - The Fair Nut and the Best Path | GNU C++17 | dp trees *1800 |
Jun/26/2020 11:18 |
| 131 | D - Colorful Points | GNU C++17 | data structures greedy implementation *2100 |
Jun/26/2020 08:45 |
| 130 | E - Post Lamps | GNU C++17 | brute force greedy *2100 |
Jun/24/2020 12:45 |
| 129 | D - Perfect Groups | GNU C++17 | dp math number theory *2100 |
Jun/24/2020 11:06 |
| 128 | E - Inverse Coloring | GNU C++17 | combinatorics dp math *2100 |
Jun/23/2020 11:23 |
| 127 | D - Sand Fortress | GNU C++17 | binary search constructive algorithms math *2100 |
Jun/20/2020 11:35 |
| 126 | C - Game On Leaves | GNU C++17 | games trees *1600 |
Jun/02/2020 00:26 |
| 125 | B - Subsequence Hate | GNU C++17 | implementation strings *1400 |
May/31/2020 20:26 |
| 124 | A - Odd Selection | GNU C++17 | brute force implementation math *1200 |
May/31/2020 20:09 |
| 123 | B - Password | GNU C++17 | binary search dp hashing string suffix structures strings *1700 |
May/26/2020 01:09 |
| 122 | G - A/B Matrix | GNU C++14 | constructive algorithms greedy math *1900 |
May/25/2020 01:09 |
| 121 | D - Powerful array | GNU C++14 | data structures implementation math two pointers *2200 |
May/08/2020 20:09 |
| 120 | D - Walk on Matrix | GNU C++14 | bitmasks constructive algorithms math *1700 |
May/03/2020 22:16 |
| 119 | C - K-Complete Word | GNU C++14 | dfs and similar dsu greedy implementation strings *1500 |
May/03/2020 21:09 |
| 118 | B - Composite Coloring | GNU C++14 | brute force constructive algorithms greedy math number theory *1400 |
May/03/2020 20:56 |
| 117 | A - Exercising Walk | GNU C++14 | greedy implementation math *1100 |
May/03/2020 20:18 |
| 116 | D - Nastya and Scoreboard | GNU C++14 | bitmasks dp greedy *1700 |
Apr/23/2020 21:38 |
| 115 | C - Nastya and Strange Generator | GNU C++14 | greedy implementation *1500 |
Apr/23/2020 21:00 |
| 114 | B - Nastya and Door | GNU C++14 | greedy implementation *1300 |
Apr/23/2020 20:43 |
| 113 | A - Nastya and Rice | GNU C++14 | math *900 |
Apr/23/2020 20:20 |
| 112 | C - Alternating Subsequence | Java 11 | dp greedy two pointers *1200 |
Apr/22/2020 23:44 |
| 111 | B - Balanced Array | Java 11 | constructive algorithms math *800 |
Apr/22/2020 22:47 |
| 110 | A - Candies | Java 11 | brute force math *900 |
Apr/22/2020 21:50 |
| 109 | B - Kana and Dragon Quest game | Java 11 | greedy implementation math *900 |
Apr/21/2020 09:56 |
| 108 | A - Ichihime and Triangle | Java 11 | constructive algorithms math *800 |
Apr/21/2020 09:51 |
| 107 | C - Linova and Kingdom | GNU C++14 | dfs and similar dp greedy sortings trees *1600 |
Apr/16/2020 00:23 |
| 106 | D - Xenia and Colorful Gems | GNU C++14 | binary search data structures implementation math sortings *1700 |
Apr/15/2020 21:04 |
| 105 | D - Fox And Jumping | GNU C++14 | bitmasks brute force dp math *1900 |
Apr/15/2020 11:23 |
| 104 | B - Mike and Feet | GNU C++14 | binary search data structures dp dsu *1900 |
Apr/14/2020 01:03 |
| 103 | C - Table Decorations | GNU C++14 | greedy *1800 |
Apr/12/2020 11:52 |
| 102 | A - Cut Ribbon | GNU C++14 | brute force dp *1300 |
Apr/12/2020 00:48 |
| 101 | B - Middle Class | GNU C++14 | greedy sortings *1100 |
Apr/10/2020 20:22 |
| 100 | A - Level Statistics | GNU C++14 | implementation math *1200 |
Apr/10/2020 20:16 |
| 99 | C - Eugene and an array | GNU C++14 | binary search data structures implementation two pointers *1700 |
Apr/09/2020 09:37 |
| 98 | B - Kind Anton | GNU C++14 | greedy implementation *1100 |
Apr/09/2020 09:08 |
| 97 | A - Little Artem | GNU C++14 | constructive algorithms *1000 |
Apr/09/2020 08:50 |
| 96 | C - Dreamoon Likes Coloring | GNU C++14 | constructive algorithms greedy *1800 |
Apr/03/2020 21:35 |
| 95 | B - Dreamoon Likes Permutations | GNU C++14 | implementation math *1400 |
Apr/03/2020 20:46 |
| 94 | A - Dreamoon and Ranking Collection | GNU C++14 | implementation *900 |
Apr/03/2020 20:16 |
| 93 | E - Blood Cousins | GNU C++14 | binary search data structures dfs and similar trees *2100 |
Mar/27/2020 11:17 |
| 92 | E - Tree Queries | GNU C++14 | dfs and similar graphs trees *1900 |
Mar/27/2020 09:57 |
| 91 | C - Ternary XOR | GNU C++14 | greedy implementation *1200 |
Mar/26/2020 20:21 |
| 90 | A - Divisibility Problem | GNU C++14 | math *800 |
Mar/26/2020 20:07 |
| 89 | C - Circular RMQ | GNU C++14 | data structures *2200 |
Mar/26/2020 18:08 |
| 88 | D - Distinct Characters Queries | GNU C++14 | data structures *1600 |
Mar/26/2020 15:41 |
| 87 | C - Subsequences | GNU C++14 | data structures dp *1900 |
Mar/26/2020 10:55 |
| 86 | C - Sereja and Brackets | GNU C++14 | data structures schedules *2000 |
Mar/25/2020 17:40 |
| 85 | E - Enemy is weak | GNU C++14 | data structures trees *1900 |
Mar/25/2020 12:28 |
| 84 | D - Pashmak and Parmida's problem | GNU C++14 | data structures divide and conquer sortings *1800 |
Mar/25/2020 11:40 |
| 83 | D - Xenia and Bit Operations | GNU C++14 | data structures trees *1700 |
Mar/24/2020 15:55 |
| 82 | A - Knight Tournament | GNU C++14 | data structures dsu *1500 |
Mar/24/2020 13:46 |
| 81 | E - Bertown roads | GNU C++14 | dfs and similar graphs *2000 |
Mar/17/2020 11:02 |
| 80 | D - Ehab the Xorcist | GNU C++14 | bitmasks constructive algorithms greedy number theory *1700 |
Mar/14/2020 21:44 |
| 79 | C - Ehab and Path-etic MEXs | GNU C++14 | constructive algorithms dfs and similar greedy trees *1500 |
Mar/14/2020 20:25 |
| 78 | B - CopyCopyCopyCopyCopy | GNU C++14 | greedy implementation *800 |
Mar/14/2020 20:10 |
| 77 | A - EhAb AnD gCd | GNU C++14 | constructive algorithms greedy number theory *800 |
Mar/14/2020 20:08 |
| 76 | D - Pair of Topics | GNU C++14 | binary search data structures sortings two pointers *1400 |
Mar/13/2020 00:15 |
| 75 | C - Frog Jumps | GNU C++14 | binary search data structures dfs and similar greedy implementation *1100 |
Mar/12/2020 18:58 |
| 74 | B - Yet Another Palindrome Problem | GNU C++14 | brute force strings *1100 |
Mar/12/2020 18:44 |
| 73 | A - Yet Another Tetris Problem | GNU C++14 | implementation number theory *900 |
Mar/12/2020 18:39 |
| 72 | E - Array Shrinking | GNU C++14 | dp greedy *2100 |
Mar/12/2020 11:35 |
| 71 | D - Count the Arrays | GNU C++14 | combinatorics math *1700 |
Mar/09/2020 21:34 |
| 70 | C - Adding Powers | GNU C++14 | bitmasks greedy implementation math number theory ternary search *1400 |
Mar/09/2020 20:41 |
| 69 | B - Bogosort | GNU C++14 | constructive algorithms sortings *1000 |
Mar/09/2020 20:16 |
| 68 | A - Two Regular Polygons | GNU C++14 | geometry greedy math number theory *800 |
Mar/09/2020 20:11 |
| 67 | B - Maximum Value | GNU C++14 | binary search math sortings two pointers *2100 |
Mar/05/2020 23:00 |
| 66 | F - Moving Points | GNU C++14 | data structures divide and conquer implementation sortings *1900 |
Mar/03/2020 11:03 |
| 65 | D - Three Integers | GNU C++14 | brute force math *2000 |
Mar/01/2020 22:49 |
| 64 | C - Perform the Combo | GNU C++14 | brute force *1300 |
Feb/29/2020 10:26 |
| 63 | B - WeirdSort | GNU C++14 | dfs and similar sortings *1200 |
Feb/29/2020 10:18 |
| 62 | A - Add Odd or Subtract Even | GNU C++14 | greedy implementation math *800 |
Feb/29/2020 10:10 |
| 61 | E - Segment Sum | GNU C++14 | bitmasks combinatorics dp math *2300 |
Feb/21/2020 21:17 |
| 60 | C - Air Conditioner | GNU C++14 | dp greedy implementation sortings two pointers *1500 |
Feb/15/2020 22:27 |
| 59 | E - 1-Trees and Queries | GNU C++14 | data structures dfs and similar shortest paths trees *2000 |
Feb/15/2020 22:22 |
| 58 | B - Longest Palindrome | GNU C++14 | brute force constructive algorithms greedy implementation strings *1100 |
Feb/15/2020 22:20 |
| 57 | A - Two Rabbits | GNU C++14 | math *800 |
Feb/15/2020 22:20 |
| 56 | D - Time to Run | GNU C++14 | constructive algorithms graphs implementation *2000 |
Feb/13/2020 23:18 |
| 55 | D - Christmas Trees | GNU C++14 | graphs greedy shortest paths *1800 |
Feb/12/2020 00:49 |
| 54 | F1 - Spanning Tree with Maximum Degree | GNU C++14 | graphs *1600 |
Feb/10/2020 00:50 |
| 53 | E - K Integers | GNU C++14 | binary search data structures *2300 |
Feb/08/2020 21:42 |
| 52 | E - Minimum spanning tree for each edge | GNU C++14 | data structures dfs and similar dsu graphs trees *2100 |
Feb/04/2020 11:22 |
| 51 | C - Mind Control | GNU C++14 | brute force data structures greedy math *1600 |
Feb/03/2020 15:08 |
| 50 | B - Array Sharpening | GNU C++14 | greedy implementation *1300 |
Feb/03/2020 14:03 |
| 49 | A - Even But Not Even | GNU C++14 | greedy math strings *900 |
Feb/03/2020 13:52 |
| 48 | C - Duff in the Army | GNU C++14 | data structures trees *2200 |
Feb/02/2020 15:05 |
| 47 | C - Fools and Roads | GNU C++14 | data structures dfs and similar trees *1900 |
Feb/01/2020 00:05 |
| 46 | D - Same GCDs | GNU C++14 | math number theory *1800 |
Jan/31/2020 00:47 |
| 45 | C - 1-2-3 | GNU C++14 | graphs implementation *1800 |
Jan/30/2020 19:33 |
| 44 | D - Complete Tripartite | GNU C++14 | brute force constructive algorithms graphs hashing implementation *1900 |
Jan/30/2020 14:52 |
| 43 | D - Paths in a Complete Binary Tree | GNU C++14 | bitmasks trees *1900 |
Jan/29/2020 22:17 |
| 42 | D - Yet Another Array Queries Problem | GNU C++14 | data structures implementation *1800 |
Jan/29/2020 17:34 |
| 41 | D - Salary Changing | GNU C++14 | binary search greedy sortings *1900 |
Jan/29/2020 00:06 |
| 40 | D - Relatively Prime Graph | GNU C++14 | brute force constructive algorithms graphs greedy math *1700 |
Jan/25/2020 23:28 |
| 39 | D - Harmonious Graph | GNU C++14 | constructive algorithms dfs and similar dsu graphs greedy sortings *1700 |
Jan/25/2020 18:53 |
| 38 | E - By Elevator or Stairs? | GNU C++14 | dp shortest paths *1700 |
Jan/25/2020 18:05 |
| 37 | D - Almost All Divisors | GNU C++14 | math number theory *1600 |
Jan/25/2020 16:59 |
| 36 | B - Dima and a Bad XOR | GNU C++14 | bitmasks brute force constructive algorithms dp *1600 |
Jan/25/2020 16:27 |
| 35 | C - New Year and Permutation | GNU C++14 | combinatorics math *1600 |
Jan/25/2020 13:30 |
| 34 | D - Number Of Permutations | GNU C++14 | combinatorics *1800 |
Jan/25/2020 13:07 |
| 33 | E - XOR Guessing | GNU C++14 | bitmasks interactive math *1900 |
Jan/22/2020 22:10 |
| 32 | D - Valid BFS? | GNU C++14 | dfs and similar graphs shortest paths trees *1700 |
Jan/22/2020 21:20 |
| 31 | B - Digits Sequence (Hard Edition) | GNU C++14 | binary search divide and conquer implementation *1800 |
Jan/22/2020 18:59 |
| 30 | D - AB-string | GNU C++14 | binary search combinatorics dp strings *1900 |
Jan/22/2020 18:20 |
| 29 | F - Graph Without Long Directed Paths | GNU C++14 | dfs and similar graphs *1700 |
Jan/21/2020 23:47 |
| 28 | C - Tree Diameter | GNU C++14 | bitmasks graphs interactive *1700 |
Jan/21/2020 00:52 |
| 27 | D - Dr. Evil Underscores | GNU C++14 | bitmasks brute force dfs and similar divide and conquer dp greedy strings trees *1900 |
Jan/20/2020 18:36 |
| 26 | C - Two Arrays | GNU C++14 | combinatorics dp *1600 |
Jan/18/2020 21:53 |
| 25 | C - Garland | GNU C++14 | dp greedy sortings *1800 |
Jan/12/2020 19:19 |
| 24 | B - Hyperset | GNU C++14 | brute force data structures implementation *1500 |
Jan/05/2020 20:09 |
| 23 | A - Angry Students | GNU C++14 | greedy implementation *800 |
Jan/05/2020 19:41 |
| 22 | B - New Year and Ascent Sequence | GNU C++14 | binary search combinatorics data structures dp implementation sortings *1400 |
Jan/04/2020 18:09 |
| 21 | A - New Year and Naming | GNU C++14 | implementation strings *800 |
Jan/04/2020 17:41 |
| 20 | E - Connected Components? | GNU C++14 | data structures dfs and similar dsu graphs *2100 |
Jan/04/2020 11:30 |
| 19 | B - 0-1 MST | GNU C++14 | dfs and similar dsu graphs sortings *1900 |
Jan/04/2020 11:28 |
| 18 | E - Counter Attack | GNU C++14 | data structures dsu graphs hashing sortings *2100 |
Jan/04/2020 11:20 |
| 17 | E - New Year Parties | GNU C++14 | dp greedy *1800 |
Dec/28/2019 23:21 |
| 16 | C - Stack of Presents | GNU C++14 | data structures implementation *1400 |
Dec/28/2019 09:24 |
| 15 | B - Verse For Santa | GNU C++14 | binary search brute force implementation *1300 |
Dec/28/2019 08:40 |
| 14 | A - New Year Garland | GNU C++14 | math *900 |
Dec/27/2019 22:30 |
| 13 | E - A and B and Lecture Rooms | GNU C++14 | binary search data structures dfs and similar dp trees *2100 |
Dec/26/2019 15:27 |
| 12 | D - Segment Tree | GNU C++14 | data structures dsu graphs trees *2100 |
Dec/25/2019 20:29 |
| 11 | D - Police Stations | GNU C++14 | constructive algorithms dfs and similar dp graphs shortest paths trees *2100 |
Dec/24/2019 11:31 |
| 10 | D - Domino for Young | GNU C++14 | combinatorics constructive algorithms math *2000 |
Dec/21/2019 20:23 |
| 9 | C - Long Beautiful Integer | GNU C++14 | greedy implementation *1700 |
Dec/21/2019 19:45 |
| 8 | B - Modulo Equality | GNU C++14 | brute force sortings *1500 |
Dec/21/2019 16:59 |
| 7 | A - Equation | GNU C++14 | brute force math *800 |
Dec/21/2019 16:42 |
| 6 | C - DZY Loves Sequences | GNU C++14 | dp *1600 |
Dec/20/2019 12:12 |
| 5 | C - Berry Jam | GNU C++14 | data structures dp greedy implementation *1700 |
Dec/19/2019 21:14 |
| 4 | B - A and B | GNU C++14 | greedy math *1500 |
Dec/19/2019 20:30 |
| 3 | A - Shuffle Hashing | GNU C++14 | brute force implementation strings *1000 |
Dec/19/2019 20:12 |
| 2 | A - Happy Birthday, Polycarp! | GNU C++14 | implementation *1000 |
Dec/16/2019 21:07 |
| 1 | E - Two Fairs | GNU C++14 | dfs and similar graphs *1900 |
Dec/16/2019 20:55 |