1721 |
Swapping Nodes in a Linked List |
js |
1712 |
Ways to Split Array Into Three Subarrays |
js |
1711 |
Count Good Meals |
js |
1710 |
Maximum Units on a Truck |
js |
1704 |
Determine if String Halves Are Alike |
js |
1680 |
Concatenation of Consecutive Binary Numbers |
rust |
1679 |
Max Number of K-Sum Pairs |
rust |
1675 |
Minimize Deviation in Array |
js |
1673 |
Find the Most Competitive Subsequence |
js |
1663 |
Smallest String With A Given Numeric Value |
rust |
1662 |
Check If Two String Arrays are Equivalent |
rust |
1658 |
Minimum Operations to Reduce X to Zero |
rust |
1657 |
Determine if Two Strings Are Close |
rust |
1649 |
Create Sorted Array through Instructions |
js, rust |
1646 |
Get Maximum in Generated Array |
rust |
1642 |
Furthest Building You Can Reach |
js |
1641 |
Count Sorted Vowel Strings |
rust |
1631 |
Path With Minimum Effort |
js, rust |
1539 |
Kth Missing Positive Number |
js |
1520 |
Maximum Number of Non-Overlapping Substrings |
js |
1519 |
Number of Nodes in the Sub-Tree With the Same Label |
js |
1518 |
Water Bottles |
js |
1514 |
Path with Maximum Probability |
js |
1513 |
Number of Substrings With Only 1s |
js |
1512 |
Number of Good Pairs |
js |
1504 |
Count Submatrices With All Ones |
js |
1503 |
Last Moment Before All Ants Fall Out of a Plank |
js |
1502 |
Can Make Arithmetic Progression From Sequence |
js |
1487 |
Making File Names Unique |
js |
1486 |
XOR Operation in an Array |
js |
1461 |
Check If a String Contains All Binary Codes of Size K |
js |
1458 |
Max Dot Product of Two Subsequences |
js |
1457 |
Pseudo-Palindromic Paths in a Binary Tree |
js |
1456 |
Maximum Number of Vowels in a Substring of Given Length |
js |
1455 |
Check If a Word Occurs As a Prefix of Any Word in a Sentence |
js |
1437 |
Check If All 1's Are at Least Length K Places Away |
rust |
1430 |
Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree |
js |
1429 |
First Unique Number |
js |
1428 |
Leftmost Column with at Least a One |
js |
1427 |
Perform String Shifts |
js |
1426 |
Counting Elements |
js, go, python |
1417 |
Reformat The String |
js |
1414 |
Find the Minimum Number of Fibonacci Numbers Whose Sum Is K |
js |
1413 |
Minimum Value to Get Positive Step by Step Sum |
js |
1396 |
Design Underground System |
js |
1395 |
Count Number of Teams |
js |
1394 |
Find Lucky Integer in an Array |
js |
1392 |
Longest Happy Prefix |
js |
1391 |
Check if There is a Valid Path in a Grid |
js |
1390 |
Four Divisors |
js |
1389 |
Create Target Array in the Given Order |
js |
1387 |
Sort Integers by The Power Value |
js |
1386 |
Cinema Seat Allocation |
js |
1385 |
Find the Distance Value Between Two Arrays |
js |
1383 |
Maximum Performance of a Team |
js |
1381 |
Design a Stack With Increment Operation |
js |
1380 |
Lucky Numbers in a Matrix |
js |
1379 |
Find a Corresponding Node of a Binary Tree in a Clone of That Tree |
js |
1370 |
Increasing Decreasing String |
js |
1368 |
Minimum Cost to Make at Least One Valid Path in a Grid |
js |
1367 |
Linked List in Binary Tree |
js |
1366 |
Rank Teams by Votes |
js |
1365 |
How Many Numbers Are Smaller Than the Current Number |
js |
1363 |
Largest Multiple of Three |
js |
1362 |
Closest Divisors |
js |
1361 |
Validate Binary Tree Nodes |
js |
1360 |
Number of Days Between Two Dates |
js |
1352 |
Product of the Last K Numbers |
js |
1351 |
Count Negative Numbers in a Sorted Matrix |
js |
1348 |
Tweet Counts Per Frequency |
js |
1347 |
Minimum Number of Steps to Make Two Strings Anagram |
js |
1346 |
Check If N and Its Double Exist |
js |
1344 |
Angle Between Hands of a Clock |
js |
1342 |
Number of Steps to Reduce a Number to Zero |
rust |
1340 |
Jump Game V |
js |
1339 |
Maximum Product of Splitted Binary Tree |
js |
1338 |
Reduce Array Size to The Half |
js |
1337 |
The K Weakest Rows in a Matrix |
js, rust |
1334 |
Find the City With the Smallest Number of Neighbors at a Threshold Distance |
js |
1333 |
Filter Restaurants by Vegan-Friendly, Price and Distance |
js |
1332 |
Remove Palindromic Subsequences |
js |
1331 |
Rank Transform of an Array |
js |
1329 |
Sort the Matrix Diagonally |
js, rust |
1328 |
Break a Palindrome |
js |
1326 |
Minimum Number of Taps to Open to Water a Garden |
js |
1325 |
Delete Leaves With a Given Value |
js |
1324 |
Print Words Vertically |
js |
1323 |
Maximum 69 Number |
js |
1319 |
Number of Operations to Make Network Connected |
js |
1318 |
Minimum Flips to Make a OR b Equal to c |
js |
1317 |
Convert Integer to the Sum of Two No-Zero Integers |
js |
1306 |
Jump Game III |
js |
1305 |
All Elements in Two Binary Search Trees |
js |
1304 |
Find N Unique Integers Sum up to Zero |
js |
1293 |
Shortest Path in a Grid with Obstacles Elimination |
js |
1292 |
Maximum Side Length of a Square with Sum Less than or Equal to Threshold |
js |
1291 |
Sequential Digits |
js |
1290 |
Convert Binary Number in a Linked List to Integer |
js |
1289 |
Minimum Falling Path Sum II |
js |
1287 |
Element Appearing More Than 25% In Sorted Array |
js |
1286 |
Iterator for Combination |
js |
1284 |
Minimum Number of Flips to Convert Binary Matrix to Zero Matrix |
js |
1282 |
Group the People Given the Group Size They Belong To |
js |
1281 |
Subtract the Product and Sum of Digits of an Integer |
js |
1277 |
Count Square Submatrices with All Ones |
js |
1276 |
Number of Burgers with No Waste of Ingredients |
js |
1275 |
Find Winner on a Tic Tac Toe Game |
js |
1269 |
Number of Ways to Stay in the Same Place After Some Steps |
js |
1268 |
Search Suggestions System |
js |
1267 |
Count Servers that Communicate |
js |
1266 |
Minimum Time Visiting All Points |
js |
1263 |
Minimum Moves to Move a Box to Their Target Location |
js |
1262 |
Greatest Sum Divisible by Three |
js |
1261 |
Find Elements in a Contaminated Binary Tree |
js |
1260 |
Shift 2D Grid |
js |
1255 |
Maximum Score Words Formed by Letters |
js |
1254 |
Number of Closed Islands |
js |
1253 |
Reconstruct a 2-Row Binary Matrix |
js |
1252 |
Cells with Odd Values in a Matrix |
js |
1249 |
Minimum Remove to Make Valid Parentheses |
js, rust |
1248 |
Count Number of Nice Subarrays |
js |
1247 |
Minimum Swaps to Make Strings Equal |
js |
1239 |
Maximum Length of a Concatenated String with Unique Characters |
js |
1238 |
Circular Permutation in Binary Representation |
js |
1237 |
Find Positive Integer Solution for a Given Equation |
js |
1233 |
Remove Sub-Folders from the Filesystem |
js |
1232 |
Check If It Is a Straight Line |
js |
1222 |
Queens That Can Attack the King |
js |
1221 |
Split a String in Balanced Strings |
js |
1220 |
Count Vowels Permutation |
js |
1219 |
Path with Maximum Gold |
js |
1218 |
Longest Arithmetic Subsequence of Given Difference |
js |
1217 |
Play with Chips |
js |
1209 |
Remove All Adjacent Duplicates in String II |
js |
1208 |
Get Equal Substrings Within Budget |
js |
1202 |
Smallest String With Swaps |
js |
1201 |
Ugly Number III |
js |
1200 |
Minimum Absolute Difference |
js |
1190 |
Reverse Substrings Between Each Pair of Parentheses |
js |
1186 |
Maximum Subarray Sum with One Deletion |
js |
1185 |
Day of the Week |
js |
1184 |
Distance Between Bus Stops |
js |
1175 |
Prime Arrangements |
js |
1171 |
Remove Zero Sum Consecutive Nodes from Linked List |
js |
1163 |
Last Substring in Lexicographical Order |
js |
1162 |
As Far from Land as Possible |
js |
1161 |
Maximum Level Sum of a Binary Tree |
js |
1160 |
Find Words That Can Be Formed by Characters |
js |
1156 |
Swap For Longest Repeated Character Substring |
js |
1155 |
Number of Dice Rolls With Target Sum |
js |
1154 |
Day of the Year |
js |
1143 |
Longest Common Subsequence |
js |
1137 |
N-th Tribonacci Number |
js |
1123 |
Lowest Common Ancestor of Deepest Leaves |
js |
1122 |
Relative Sort Array |
js |
1111 |
Maximum Nesting Depth of Two Valid Parentheses Strings |
js |
1110 |
Delete Nodes And Return Forest |
js |
1109 |
Corporate Flight Bookings |
js |
1108 |
Defanging an IP Address |
js |
1105 |
Filling Bookcase Shelves |
js |
1103 |
Distribute Candies to People |
js |
1095 |
Find in Mountain Array |
js |
1094 |
Car Pooling |
js |
1093 |
Statistics from a Large Sample |
js |
1091 |
Shortest Path in Binary Matrix |
js, rust |
1090 |
Largest Values From Labels |
js |
1089 |
Duplicate Zeros |
js |
1081 |
Smallest Subsequence of Distinct Characters |
js |
1080 |
Insufficient Nodes in Root to Leaf Paths |
js |
1079 |
Letter Tile Possibilities |
js |
1078 |
Occurrences After Bigram |
js |
1072 |
Flip Columns For Maximum Number of Equal Rows |
js |
1071 |
Greatest Common Divisor of Strings |
js |
1054 |
Distant Barcodes |
js |
1053 |
Previous Permutation With One Swap |
js |
1052 |
Grumpy Bookstore Owner |
js |
1051 |
Height Checker |
js |
1046 |
Last Stone Weight |
js, python |
1044 |
Longest Duplicate Substring |
js |
1042 |
Flower Planting With No Adjacent |
js |
1041 |
Robot Bounded In Circle |
js |
1038 |
Binary Search Tree to Greater Sum Tree |
js |
1037 |
Valid Boomerang |
js |
1035 |
Uncrossed Lines |
js |
1032 |
Stream of Characters |
js |
1030 |
Matrix Cells in Distance Order |
js |
1029 |
Two City Scheduling |
js |
1022 |
Sum of Root To Leaf Binary Numbers |
js |
1021 |
Remove Outermost Parentheses |
js |
1010 |
Pairs of Songs With Total Durations Divisible by 60 |
js |
1008 |
Construct Binary Search Tree from Preorder Traversal |
js |
1005 |
Maximize Sum Of Array After K Negations |
js |
0999 |
Available Captures for Rook |
js |
0997 |
Find the Town Judge |
js |
0994 |
Rotting Oranges |
js |
0993 |
Cousins in Binary Tree |
js |
0991 |
Broken Calculator |
rust |
0987 |
Vertical Order Traversal of a Binary Tree |
js |
0986 |
Interval List Intersections |
js |
0983 |
Minimum Cost For Tickets |
js |
0977 |
Squares of a Sorted Array |
js |
0973 |
K Closest Points to Origin |
js |
0970 |
Powerful Integers |
js |
0967 |
Numbers With Same Consecutive Differences |
js |
0965 |
Univalued Binary Tree |
js |
0961 |
N-Repeated Element in Size 2N Array |
js |
0958 |
Check Completeness of a Binary Tree |
js |
0957 |
Prison Cells After N Days |
js |
0953 |
Verifying an Alien Dictionary |
js |
0951 |
Flip Equivalent Binary Trees |
js |
0950 |
Reveal Cards In Increasing Order |
js |
0949 |
Largest Time for Given Digits |
js |
0946 |
Validate Stack Sequences |
rust |
0944 |
Delete Columns to Make Sorted |
js, go, python |
0943 |
Find the Shortest Superstring |
js |
0942 |
DI String Match |
js |
0941 |
Valid Mountain Array |
js |
0938 |
Range Sum of BST |
js |
0933 |
Number of Recent Calls |
js |
0929 |
Unique Email Addresses |
js |
0918 |
Maximum Sum Circular Subarray |
js |
0916 |
Word Subsets |
js |
0905 |
Sort Array By Parity |
js |
0901 |
Online Stock Span |
js |
0897 |
Increasing Order Search Tree |
js |
0896 |
Monotonic Array |
js |
0895 |
Maximum Frequency Stack |
js |
0890 |
Find and Replace Pattern |
js |
0886 |
Possible Bipartition |
js |
0884 |
Uncommon Words from Two Sentences |
js |
0881 |
Boats to Save People |
rust |
0876 |
Middle of the Linked List |
js, go, python, cpp |
0872 |
Leaf-Similar Trees |
js |
0870 |
Advantage Shuffle |
js |
0860 |
Lemonade Change |
js |
0859 |
Buddy Strings |
js |
0856 |
Score of Parentheses |
rust |
0852 |
Peak Index in a Mountain Array |
js |
0848 |
Shifting Letters |
js |
0846 |
Hand of Straights |
js |
0845 |
Longest Mountain in Array |
js |
0844 |
Backspace String Compare |
js, go, python |
0841 |
Keys and Rooms |
js |
0840 |
Magic Squares In Grid |
js |
0836 |
Rectangle Overlap |
js |
0835 |
Image Overlap |
js |
0832 |
Flipping an Image |
js |
0831 |
Masking Personal Information |
js |
0830 |
Positions of Large Groups |
js |
0829 |
Consecutive Numbers Sum |
js |
0828 |
Unique Letter String |
js |
0826 |
Most Profit Assigning Work |
js |
0825 |
Friends Of Appropriate Ages |
js |
0824 |
Goat Latin |
js |
0823 |
Binary Trees With Factors |
js |
0822 |
Card Flipping Game |
js |
0821 |
Shortest Distance to a Character |
js, rust |
0820 |
Short Encoding of Words |
js |
0819 |
Most Common Word |
js |
0817 |
Linked List Components |
js |
0816 |
Ambiguous Coordinates |
js |
0811 |
Subdomain Visit Count |
js |
0807 |
Max Increase to Keep City Skyline |
js |
0806 |
Number of Lines To Write String |
js |
0805 |
Split Array With Same Average |
js |
0804 |
Unique Morse Code Words |
js |
0802 |
Find Eventual Safe States |
js |
0801 |
Minimum Swaps To Make Sequences Increasing |
js |
0800 |
Similar RGB Color |
js |
0799 |
Champagne Tower |
js |
0797 |
All Paths From Source to Target |
js |
0796 |
Rotate String |
js |
0791 |
Custom Sort String |
js |
0789 |
Escape The Ghosts |
js |
0788 |
Rotated Digits |
js |
0787 |
Cheapest Flights Within K Stops |
js |
0785 |
Is Graph Bipartite? |
js, rust |
0784 |
Letter Case Permutation |
js, rust |
0783 |
Minimum Distance Between BST Nodes |
js |
0779 |
K-th Symbol in Grammar |
js |
0771 |
Jewels and Stones |
js |
0766 |
Toeplitz Matrix |
js |
0763 |
Partition Labels |
js |
0760 |
Find Anagram Mappings |
js |
0759 |
Employee Free Time |
js |
0758 |
Bold Words in String |
js |
0750 |
Number Of Corner Rectangles |
js |
0748 |
Shortest Completing Word |
js |
0746 |
Min Cost Climbing Stairs |
js |
0744 |
Find Smallest Letter Greater Than Target |
js |
0733 |
Flood Fill |
js |
0731 |
My Calendar II |
js |
0729 |
My Calendar I |
js |
0720 |
Longest Word in Dictionary |
js |
0714 |
Best Time to Buy and Sell Stock with Transaction Fee |
js |
0707 |
Design Linked List |
js |
0706 |
Design HashMap |
js |
0705 |
Design HashSet |
js |
0704 |
Binary Search |
js |
0703 |
Kth Largest Element in a Stream |
js |
0701 |
Insert into a Binary Search Tree |
js |
0700 |
Search in a Binary Search Tree |
js |
0695 |
Max Area of Island |
js |
0693 |
Binary Number with Alternating Bits |
js |
0687 |
Longest Univalue Path |
js |
0686 |
Repeated String Match |
js |
0682 |
Baseball Game |
js |
0681 |
Next Closest Time |
js |
0680 |
Valid Palindrome II |
js |
0679 |
24 Game |
js |
0678 |
Valid Parenthesis String |
js |
0677 |
Map Sum Pairs |
js |
0669 |
Trim a Binary Search Tree |
js |
0665 |
Non-decreasing Array |
js, ruby |
0663 |
Equal Tree Partition |
js |
0662 |
Maximum Width of Binary Tree |
js |
0661 |
Image Smoother |
js |
0660 |
Remove 9 |
js |
0659 |
Split Array into Consecutive Subsequences |
js |
0658 |
Find K Closest Elements |
js, ruby |
0657 |
Judge Route Circle |
js, ruby |
0656 |
Coin Path |
js |
0655 |
Print Binary Tree |
js |
0654 |
Maximum Binary Tree |
js |
0653 |
Two Sum IV - Input is a BST |
js |
0652 |
Find Duplicate Subtrees |
js |
0651 |
4 Keys Keyboard |
js |
0650 |
2 Keys Keyboard |
js |
0649 |
Dota2 Senate |
js |
0646 |
Maximum Length of Pair Chain |
js |
0645 |
Set Mismatch |
js, rust |
0637 |
Average of Levels in Binary Tree |
js |
0633 |
Sum of Square Numbers |
js |
0628 |
Maximum Product of Three Numbers |
js |
0627 |
Swap Salary |
sql |
0623 |
Add One Row to Tree |
js |
0621 |
Task Scheduler |
js |
0617 |
Merge Two Binary Trees |
js |
0599 |
Minimum Index Sum of Two Lists |
js, go |
0594 |
Longest Harmonious Subsequence |
js, rust |
0581 |
Shortest Unsorted Continuous Subarray |
js, rust |
0575 |
Distribute Candies |
rust |
0572 |
Subtree of Another Tree |
js |
0567 |
Permutation in String |
js |
0566 |
Reshape the Matrix |
js, java |
0563 |
Binary Tree Tilt |
js |
0560 |
Subarray Sum Equals K |
js |
0559 |
Maximum Depth of N-ary Tree |
js |
0557 |
Reverse Words in a String III |
js |
0543 |
Diameter of Binary Tree |
js, python |
0540 |
Single Element in a Sorted Array |
js |
0538 |
Convert BST to Greater Tree |
js |
0535 |
Encode and Decode TinyURL |
js |
0532 |
K-diff Pairs in an Array |
js |
0530 |
Minimum Absolute Difference in BST |
js |
0528 |
Random Pick with Weight |
js |
0525 |
Contiguous Array |
js |
0524 |
Longest Word in Dictionary through Deleting |
rust |
0520 |
Detect Capital |
js |
0518 |
Coin Change 2 |
js |
0509 |
Fibonacci Number |
js |
0507 |
Perfect Number |
js, java |
0504 |
Base 7 |
js |
0501 |
Find Mode in Binary Search Tree |
js |
0500 |
Keyboard Row |
js, java |
0492 |
Construct the rectangle |
js |
0488 |
Zuma Game |
js |
0487 |
Max Consecutive Ones II |
js |
0486 |
Predict the Winner |
js |
0485 |
Max Consecutive Ones |
js |
0482 |
License Key Formatting |
js |
0479 |
Largest Palindrome Product |
js, java |
0476 |
Number Complement |
js, go |
0474 |
Ones and Zeroes |
js |
0468 |
Validate IP Address |
js |
0463 |
Island Perimeter |
js |
0461 |
Hamming Distance |
js |
0459 |
Repeated Substring Pattern |
js |
0455 |
Assign Cookies |
js |
0453 |
Minimum Moves to Equal Array Elements |
js |
0451 |
Sort Characters By Frequency |
js |
0450 |
Delete Node in a BST |
js |
0448 |
Find All Numbers Disappeared in an Array |
js |
0443 |
String Compression |
js |
0442 |
Find All Duplicates in an Array |
js |
0441 |
Arranging Coins |
js |
0438 |
Find All Anagrams in a String |
js |
0437 |
Path Sum III |
js |
0435 |
Non-overlapping Intervals |
js |
0434 |
Number of Segments in a String |
js |
0430 |
Flatten a Multilevel Doubly Linked List |
js |
0423 |
Reconstruct Original Digits from English |
js |
0417 |
Pacific Atlantic Water Flow |
js |
0415 |
Add Strings |
js |
0414 |
Third Maximum Number |
js |
0413 |
Arithmetic Slices |
rust |
0412 |
Fizz Buzz |
js, java |
0409 |
Longest Palindrome |
js |
0406 |
Queue Reconstruction by Height |
js |
0405 |
Convert a Number to Hexadecimal |
js |
0404 |
Sum of Left Leaves |
js |
0402 |
Remove K Digits |
js |
0401 |
Binary Watch |
js |
0400 |
Nth Digit |
js |
0392 |
Is Subsequence |
js |
0389 |
Find the Difference |
js |
0387 |
First Unique Character in a String |
js |
0383 |
Ransom Note |
js, go |
0380 |
Insert Delete GetRandom O(1) |
js |
0378 |
Kth Smallest Element in a Sorted Matrix |
js |
0376 |
Wiggle Subsequence |
js |
0374 |
Guess Number Higher or Lower |
java |
0373 |
Find K Pairs with Smallest Sums |
js |
0371 |
Sum of Two Integers |
js |
0368 |
Largest Divisible Subset |
js |
0367 |
Valid Perfect Square |
js |
0354 |
Russian Doll Envelopes |
js |
0350 |
Intersection of Two Arrays II |
js |
0349 |
Intersection of Two Arrays |
js |
0347 |
Top K Frequent Elements |
js |
0345 |
Reverse Vowels of a String |
js |
0344 |
Reverse String |
js, ts |
0342 |
Power of Four |
js |
0338 |
Counting Bits |
js |
0332 |
Reconstruct Itinerary |
js |
0329 |
Longest Increasing Path in a Matrix |
js |
0328 |
Odd Even Linked List |
js |
0326 |
Power of Three |
js |
0322 |
Coin Change |
js |
0314 |
Vertical Order Traversal of a Binary Tree |
js, rust |
0303 |
Range Sum Query - Immutable |
js |
0300 |
Longest Increasing Subsequence |
js |
0299 |
Bulls and Cows |
js |
0292 |
Nim Game |
js |
0290 |
Word Pattern |
js |
0289 |
Game of Life |
js, rust |
0287 |
Find the Duplicate Number |
js |
0284 |
Peeking Iterator |
js |
0283 |
Move Zeroes |
js, go, python |
0279 |
Perfect Squares |
js |
0278 |
First Bad Version |
js, go |
0275 |
H-Index II |
js |
0274 |
H-Index |
js |
0268 |
Missing Number |
js |
0264 |
Ugly Number II |
js |
0263 |
Ugly Number |
js |
0260 |
Single Number III |
js |
0258 |
Add Digits |
js |
0257 |
Binary Tree Paths |
js |
0242 |
Valid Anagram |
js, rust, ruby |
0240 |
Search a 2D Matrix II |
rust |
0239 |
Sliding Window Maximum |
js |
0238 |
Product of Array Except Self |
js |
0237 |
Delete Node in a Linked List |
js |
0235 |
Lowest Common Ancestor of a Binary Search Tree |
js, go |
0234 |
Palindrome Linked List |
js |
0232 |
Implement Queue using Stacks |
js |
0231 |
Power of Two |
js, ruby |
0230 |
Kth Smallest Element in a BST |
js |
0227 |
Basic Calculator II |
js |
0226 |
Invert Binary Tree |
js, ruby |
0225 |
Implement Stack using Queues |
js, ruby |
0222 |
Count Complete Tree Nodes |
js |
0221 |
Maximal Square |
js |
0219 |
Contains Duplicate II |
js, ruby |
0217 |
Contains Duplicate |
js, ruby |
0215 |
Kth Largest Element in an Array |
js, rust |
0212 |
Word Search II |
js |
0210 |
Course Schedule II |
js |
0208 |
Implement Trie (Prefix Tree) |
js |
0207 |
Course Schedule |
js |
0206 |
Reverse Linked List |
js, ruby |
0205 |
Isomorphic Strings |
js |
0204 |
Count Primes |
js |
0203 |
Remove Linked List Elements |
js |
0202 |
Happy Number |
js, go |
0201 |
Bitwise AND of Numbers Range |
js |
0200 |
Number of Islands |
js |
0199 |
Binary Tree Right Side View |
js |
0198 |
House Robber |
js |
0197 |
Rising Temperature |
sql |
0196 |
Delete Duplicate Emails |
sql |
0195 |
Tenth Line |
bash |
0193 |
Valid Phone Numbers |
bash |
0191 |
Number of 1 Bits |
js, rust |
0190 |
Reverse Bits |
js, java |
0189 |
Rotate Array |
js, go |
0183 |
Customers Who Never Order |
sql |
0182 |
Duplicate Emails |
sql |
0181 |
Employees Earning More Than Their Managers |
sql |
0179 |
Largest Number |
js |
0176 |
Second Highest Salary |
sql |
0175 |
Combine Two Tables |
sql |
0174 |
Dungeon Game |
js |
0172 |
Factorial Trailing Zeroes |
js, ruby |
0171 |
Excel Sheet Column Number |
js, ruby |
0169 |
Majority Element |
js |
0168 |
Excel Sheet Column Title |
js, go |
0167 |
Two Sum II - Input array is sorted |
js, go, python, java |
0162 |
Find Peak Element |
js |
0160 |
Intersection of Two Linked Lists |
js |
0155 |
Min Stack |
js |
0154 |
Find Minimum in Rotated Sorted Array II |
js |
0153 |
Find Minimum in Rotated Sorted Array |
js |
0152 |
Maximum Product Subarray |
js |
0151 |
Reverse Words in a String |
js |
0149 |
Max Points on a Line |
js |
0148 |
Sort List |
js |
0146 |
LRU Cache |
js |
0142 |
Linked List Cycle II |
js |
0141 |
Linked List Cycle |
js |
0140 |
Word Break II |
js |
0139 |
Word Break |
js |
0138 |
Copy List with Random Pointer |
js |
0137 |
Single Number II |
js |
0136 |
Single Number |
js, go |
0130 |
Surrounded Regions |
js |
0129 |
Sum Root to Leaf Numbers |
js |
0128 |
Longest Consecutive Sequence |
js |
0127 |
Word Ladder |
js |
0125 |
Valid Palindrome |
js |
0124 |
Binary Tree Maximum Path Sum |
js |
0123 |
Best Time to Buy and Sell Stock III |
js |
0122 |
Best Time to Buy and Sell Stock II |
js, go, python |
0121 |
Best Time to Buy and Sell Stock |
js, rust, java |
0119 |
Pascal's Triangle II |
js |
0118 |
Pascal's Triangle |
js |
0115 |
Distinct Subsequences |
js |
0112 |
Path Sum |
js |
0111 |
Minimum Depth of Binary Tree |
js |
0110 |
Balanced Binary Tree |
js |
0109 |
Convert Sorted List to Binary Search Tree |
js |
0108 |
Convert Sorted Array to Binary Search Tree |
js |
0107 |
Binary Tree Level Order Traversal II |
js |
0106 |
Construct Binary Tree from Inorder and Postorder Traversal |
js |
0104 |
Maximum Depth of Binary Tree |
js, java |
0103 |
Binary Tree Zigzag Level Order Traversal |
js |
0102 |
Binary Tree Level Order Traversal |
js |
0101 |
Symmetric Tree |
js |
0100 |
Same Tree |
js, go |
0098 |
Validate Binary Search Tree |
js |
0097 |
Interleaving String |
js |
0096 |
Unique Binary Search Trees |
js |
0094 |
Binary Tree Inorder Traversal |
js |
0089 |
Gray Code |
js |
0088 |
Merge Sorted Array |
js, rust, java |
0083 |
Remove Duplicates from Sorted List |
js |
0082 |
Remove Duplicates from Sorted List II |
js |
0079 |
Word Search |
js |
0078 |
Subsets |
js |
0076 |
Minimum Window Substring |
js |
0075 |
Sort Colors |
js |
0072 |
Edit Distance |
js |
0071 |
Simplify Path |
rust |
0070 |
Climbing Stairs |
js, java |
0069 |
Sqrt(x) |
js |
0067 |
Add Binary |
js, java |
0066 |
Plus One |
js, java |
0064 |
Minimum Path Sum |
js |
0063 |
Unique Paths II |
js |
0062 |
Unique Paths |
js |
0060 |
Permutation Sequence |
js |
0058 |
Length of Last Word |
js, java |
0055 |
Jump Game |
js, go |
0053 |
Maximum Subarray |
js, go, java |
0051 |
N-Queens |
js |
0050 |
Pow(x, n) |
js |
0049 |
Group Anagrams |
js, go, python |
0046 |
Permutations |
js |
0045 |
Jump Game II |
js |
0042 |
Trapping Rain Water |
js |
0039 |
Combination Sum |
js |
0038 |
Count and Say |
js |
0036 |
Valid Sudoku |
js |
0035 |
Search Insert Position |
js, java |
0034 |
Find First and Last Position of Element in Sorted Array |
js |
0033 |
Search in Rotated Sorted Array |
js |
0032 |
Longest Valid Parentheses |
js |
0031 |
Next Permutation |
js |
0028 |
Implement strStr |
js, java |
0027 |
Remove Element |
js, java |
0026 |
Remove Duplicates from Sorted Array |
js, java |
0024 |
Swap Nodes in Pairs |
js |
0023 |
Merge k Sorted Lists |
js |
0022 |
Generate Parentheses |
js |
0021 |
Merge Two Sorted Lists |
js, java |
0020 |
Valid Parentheses |
js, rust, java |
0019 |
Remove Nth Node From End of List |
js |
0018 |
4Sum |
js |
0017 |
Letter Combinations of a Phone Number |
js |
0016 |
3Sum Closest |
js |
0015 |
3Sum |
js |
0014 |
Longest Common Prefix |
js, java |
0013 |
Roman to Integer |
js, rust |
0012 |
Integer to Roman |
js |
0011 |
Container With Most Water |
js, rust, ruby |
0009 |
Palindrome Number |
js, java |
0008 |
String to Integer |
js |
0007 |
Reverse Integer |
js, java |
0006 |
ZigZag Conversion |
js |
0005 |
Longest Palindromic Substring |
js, rust |
0004 |
Median of Two Sorted Arrays |
js |
0003 |
Longest Substring Without Repeating Characters |
js |
0002 |
Add Two Numbers |
js, rust |
0001 |
Two Sum |
js, go, rust, java, ruby |