| 1 | 1 | 3Sum | javascript | Medium |
| 2 | 4 | Median of Two Sorted Arrays | javascript | Hard |
| 3 | 5 | Longest Palindromic Substring | javascript | Medium |
| 4 | 9 | Palindrome Number | javascript | Easy |
| 5 | 11 | Container With Most Water | javascript | Medium |
| 6 | 12 | Integer to Roman | javascript | Medium |
| 7 | 13 | Roman to Integer | javascript | Easy |
| 8 | 14 | Longest Common Prefix | javascript | Easy |
| 9 | 15 | 3Sum | javascript | Medium |
| 10 | 16 | 3Sum Closest | javascript | Medium |
| 11 | 17 | Letter Combinations of a Phone Number | javascript | Medium |
| 12 | 55 | Jump Game | javascript | Medium |
| 13 | 75 | Sort Colors | javascript | Medium |
| 14 | 94 | Binary Tree Inorder Traversal | javascript | Medium |
| 15 | 105 | Construct Binary Tree from Preorder and Inorder Traversal | javascript | Medium |
| 16 | 202 | Happy Number | javascript | Easy |
| 17 | 231 | Power of Two | javascript | Easy |
| 18 | 297 | Serialize And Deserialize Binary Tree | javascript | Hard |
| 19 | 371 | Sum of Two Integers | javascript | Medium |
| 20 | 427 | Construct Quad Tree | javascript | Medium |
| 21 | 443 | String Compression | javascript | Medium |
| 22 | 142 | Linked List Cycle II | javascript | Medium |
| 23 | 777 | Set Matrix Zeroes | javascript | Medium |
| 24 | 49 | Group Anagrams | javascript | Medium |
| 24 | 3 | Longest Substring Without Repeating Characters | javascript | Medium |
| 25 | 382 | Linked List Random Node | javascript | Medium |
| 26 | 382 | Sum Root to Leaf Numbers | javascript | Medium |
| 27 | 162 | Find Peak Element | javascript | Medium |
| 28 | 207 | Course Schedule | javascript | Medium |
| 29 | 79 | Word Search | javascript | Medium |
| 30 | 695 | Max Area of Island | javascript | Medium |
| 31 | 7 | Reverse Integer | javascript | Medium |
| 32 | 54 | Spiral Matrix | javascript | Medium |
| 33 | 1706 | Where Will the Ball Fall | javascript | Medium |
| 34 | 43 | Multiply Strings | javascript | Medium |
| 35 | 19 | Remove Nth Node From End of List | javascript | Medium |
| 36 | 198 | House Robber | javascript | Medium |
| 37 | 234 | Palindrome Linked List | javascript | Easy |
| 38 | 416 | Partition Equal Subset Sum | javascript | Medium |
| 39 | 2131 | Longest Palindrome by Concatenating Two Letter Words | javascript | Medium |
| 40 | 300 | Longest Increasing Subsequence | javascript | Medium |
| 41 | 879 | Profitable Schemes | javascript | Hard |
| 42 | 130 | Surrounded Regions
| javascript | Medium |
| 43 | 40 | Combination Sum II
| javascript | Medium |
| 44 | 209 | Minimum Size Subarray Sum
| javascript | Medium |
| 45 | 80 | Remove Duplicates from Sorted Array II
| javascript | Medium |
| 46 | 151 | Reverse Words in a String
| javascript | Medium |
| 47 | 167 | Two Sum II - Input Array Is Sorted
| javascript | Medium |
| 48 | 74 | Search a 2D Matrix
| javascript | Medium |
| 49 | 1492 | The kth Factor of n
| javascript | Medium |
| 50 | 2405 | Optimal Partition of String
| javascript | Medium |
| 51 | 121 | Best Time to Buy and Sell Stock
| javascript | Easy |
| 52 | 45 | Jump Game II
| javascript | Medium |
| 53 | 2492 | Minimum Score of a Path Between Two Cities
| javascript | Medium |
| 54 | 31 | Next Permutation
| javascript | Medium |
| 55 | 53 | Maximum Subarray
| javascript | Medium |
| 55 | 53 | Binary Tree Right Side View
| javascript | Medium |
| 56 | 53 | Combination Sum
| javascript | Medium |
| 57 | 77 | Combination | javascript | Medium |
| 58 | 64 | Minimum Path Sum | javascript | Medium |
| 59 | 72 | Edit Distance | javascript | Medium |
| 60 | 33 | Search in Rotated Sorted Array | javascript | Medium |
| 60 | 139 | Word Break | javascript | Medium |
| 61 | 200 | Number of Islands | javascript | Medium |
| 62 | 994 | Rotting Oranges | javascript | Medium |
| 63 | 36 | Valid Sudoku | javascript | Medium |
| 64 | 122 | Best Time to Buy and Sell Stock II | javascript | Medium |
| 65 | 189 | Rotate Array | javascript | Medium |
| 66 | 274 | H-Index | javascript | Medium |
| 67 | 275 | Product of Array Except Self | javascript | Medium |
| 68 | 134 | Gas Station | javascript | Medium |
| 69 | 27 | Remove Element | javascript | Easy |
| 70 | 26 | Remove Duplicates from Sorted Array | javascript | Easy |
| 71 | 179 | Largest Number | javascript | Medium |
| 72 | 97 | Interleaving String | javascript | Medium |
| 73 | 63 | Unique Paths II | javascript | Medium |
| 74 | 120 | Triangle | javascript | Medium |
| 75 | 28 | Find the Index of the First Occurrence in a String | javascript | Easy |
| 76 | 1151 | Minimum Swaps to Group All 1's Together | javascript | Medium |
| 77 | 2422 | Merge Operations to Turn Array Into a Palindrome | javascript | Medium |