| 2 | https://leetcode.com/problems/add-two-numbers | Add Two Numbers | Medium | 47.9% | 87.5% |
| 4 | https://leetcode.com/problems/median-of-two-sorted-arrays | Median of Two Sorted Arrays | Hard | 45.9% | 87.5% |
| 5 | https://leetcode.com/problems/longest-palindromic-substring | Longest Palindromic Substring | Medium | 37.3% | 87.5% |
| 11 | https://leetcode.com/problems/container-with-most-water | Container With Most Water | Medium | 59.5% | 87.5% |
| 12 | https://leetcode.com/problems/integer-to-roman | Integer to Roman | Medium | 70.4% | 100.0% |
| 269 | https://leetcode.com/problems/alien-dictionary | Alien Dictionary | Hard | 37.1% | 87.5% |
| 15 | https://leetcode.com/problems/3sum | 3Sum | Medium | 38.6% | 87.5% |
| 21 | https://leetcode.com/problems/merge-two-sorted-lists | Merge Two Sorted Lists | Easy | 67.9% | 87.5% |
| 283 | https://leetcode.com/problems/move-zeroes | Move Zeroes | Easy | 63.5% | 87.5% |
| 543 | https://leetcode.com/problems/diameter-of-binary-tree | Diameter of Binary Tree | Easy | 65.0% | 87.5% |
| 783 | https://leetcode.com/problems/minimum-distance-between-bst-nodes | Minimum Distance Between BST Nodes | Easy | 61.1% | 87.5% |
| 42 | https://leetcode.com/problems/trapping-rain-water | Trapping Rain Water | Hard | 66.8% | 87.5% |
| 705 | https://leetcode.com/problems/design-hashset | Design HashSet | Easy | 67.7% | 87.5% |
| 50 | https://leetcode.com/problems/powx-n | Pow(x, n) | Medium | 38.2% | 87.5% |
| 53 | https://leetcode.com/problems/maximum-subarray | Maximum Subarray | Medium | 53.0% | 87.5% |
| 804 | https://leetcode.com/problems/unique-morse-code-words | Unique Morse Code Words | Easy | 83.5% | 87.5% |
| 56 | https://leetcode.com/problems/merge-intervals | Merge Intervals | Medium | 51.1% | 87.5% |
| 811 | https://leetcode.com/problems/subdomain-visit-count | Subdomain Visit Count | Medium | 77.2% | 87.5% |
| 336 | https://leetcode.com/problems/palindrome-pairs | Palindrome Pairs | Hard | 36.9% | 87.5% |
| 342 | https://leetcode.com/problems/power-of-four | Power of Four | Easy | 51.7% | 87.5% |
| 349 | https://leetcode.com/problems/intersection-of-two-arrays | Intersection of Two Arrays | Easy | 77.5% | 87.5% |
| 98 | https://leetcode.com/problems/validate-binary-search-tree | Validate Binary Search Tree | Medium | 35.3% | 87.5% |
| 1048 | https://leetcode.com/problems/longest-string-chain | Longest String Chain | Medium | 62.8% | 87.5% |
| 1268 | https://leetcode.com/problems/search-suggestions-system | Search Suggestions System | Medium | 65.2% | 87.5% |
| 124 | https://leetcode.com/problems/binary-tree-maximum-path-sum | Binary Tree Maximum Path Sum | Hard | 42.0% | 87.5% |
| 863 | https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree | All Nodes Distance K in Binary Tree | Medium | 67.4% | 87.5% |
| 133 | https://leetcode.com/problems/clone-graph | Clone Graph | Medium | 64.7% | 87.5% |
| 392 | https://leetcode.com/problems/is-subsequence | Is Subsequence | Easy | 48.8% | 87.5% |
| 138 | https://leetcode.com/problems/copy-list-with-random-pointer | Copy List with Random Pointer | Medium | 62.4% | 87.5% |
| 423 | https://leetcode.com/problems/reconstruct-original-digits-from-english | Reconstruct Original Digits from English | Medium | 52.7% | 62.5% |
| 181 | https://leetcode.com/problems/employees-earning-more-than-their-managers | Employees Earning More Than Their Managers | Easy | 72.8% | 87.5% |
| 929 | https://leetcode.com/problems/unique-email-addresses | Unique Email Addresses | Easy | 67.8% | 87.5% |
| 199 | https://leetcode.com/problems/binary-tree-right-side-view | Binary Tree Right Side View | Medium | 69.5% | 87.5% |
| 200 | https://leetcode.com/problems/number-of-islands | Number of Islands | Medium | 63.8% | 100.0% |
| 953 | https://leetcode.com/problems/verifying-an-alien-dictionary | Verifying an Alien Dictionary | Easy | 55.9% | 87.5% |
| 236 | https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree | Lowest Common Ancestor of a Binary Tree | Medium | 68.7% | 87.5% |
| 243 | https://leetcode.com/problems/shortest-word-distance | Shortest Word Distance | Easy | 66.2% | 87.5% |
| 973 | https://leetcode.com/problems/k-closest-points-to-origin | K Closest Points to Origin | Medium | 68.7% | 87.5% |
| 1169 | https://leetcode.com/problems/invalid-transactions | Invalid Transactions | Medium | 32.1% | 87.5% |
| 249 | https://leetcode.com/problems/group-shifted-strings | Group Shifted Strings | Medium | 67.7% | 87.5% |
| 2814 | https://leetcode.com/problems/minimum-time-takes-to-reach-destination-without-drowning | Minimum Time Takes to Reach Destination Without Drowning | Hard | 54.5% | 50.0% |
| 394 | https://leetcode.com/problems/decode-string | Decode String | Medium | 62.2% | 75.0% |
| 212 | https://leetcode.com/problems/word-search-ii | Word Search II | Hard | 38.1% | 62.5% |
| 79 | https://leetcode.com/problems/word-search | Word Search | Medium | 46.8% | 50.0% |
| 13 | https://leetcode.com/problems/roman-to-integer | Roman to Integer | Easy | 66.2% | 75.0% |
| 162 | https://leetcode.com/problems/find-peak-element | Find Peak Element | Medium | 46.8% | 50.0% |
| 78 | https://leetcode.com/problems/subsets | Subsets | Medium | 82.0% | 62.5% |
| 38 | https://leetcode.com/problems/count-and-say | Count and Say | Medium | 62.3% | 50.0% |
| 994 | https://leetcode.com/problems/rotting-oranges | Rotting Oranges | Medium | 58.1% | 87.5% |
| 789 | https://leetcode.com/problems/escape-the-ghosts | Escape The Ghosts | Medium | 63.4% | 62.5% |
| 20 | https://leetcode.com/problems/valid-parentheses | Valid Parentheses | Easy | 43.7% | 50.0% |
| 1650 | https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree-iii | Lowest Common Ancestor of a Binary Tree III | Medium | 82.9% | 50.0% |
| 420 | https://leetcode.com/problems/strong-password-checker | Strong Password Checker | Hard | 15.4% | 75.0% |
| 317 | https://leetcode.com/problems/shortest-distance-from-all-buildings | Shortest Distance from All Buildings | Hard | 44.8% | 50.0% |
| 1162 | https://leetcode.com/problems/as-far-from-land-as-possible | As Far from Land as Possible | Medium | 52.2% | 62.5% |
| 509 | https://leetcode.com/problems/fibonacci-number | Fibonacci Number | Easy | 73.9% | 50.0% |