| 10 | https://leetcode.com/problems/regular-expression-matching | Regular Expression Matching | Hard | 30.4% | 50.0% |
| 23 | https://leetcode.com/problems/merge-k-sorted-lists | Merge k Sorted Lists | Hard | 58.8% | 50.0% |
| 37 | https://leetcode.com/problems/sudoku-solver | Sudoku Solver | Hard | 65.4% | 50.0% |
| 39 | https://leetcode.com/problems/combination-sum | Combination Sum | Medium | 76.1% | 50.0% |
| 42 | https://leetcode.com/problems/trapping-rain-water | Trapping Rain Water | Hard | 66.8% | 50.0% |
| 46 | https://leetcode.com/problems/permutations | Permutations | Medium | 81.6% | 50.0% |
| 71 | https://leetcode.com/problems/simplify-path | Simplify Path | Medium | 50.0% | 50.0% |
| 2918 | https://leetcode.com/problems/minimum-equal-sum-of-two-arrays-after-replacing-zeros | Minimum Equal Sum of Two Arrays After Replacing Zeros | Medium | 50.2% | 75.0% |
| 1048 | https://leetcode.com/problems/longest-string-chain | Longest String Chain | Medium | 62.8% | 75.0% |
| 1197 | https://leetcode.com/problems/minimum-knight-moves | Minimum Knight Moves | Medium | 41.7% | 62.5% |
| 121 | https://leetcode.com/problems/best-time-to-buy-and-sell-stock | Best Time to Buy and Sell Stock | Easy | 56.4% | 87.5% |
| 123 | https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii | Best Time to Buy and Sell Stock III | Hard | 53.1% | 50.0% |
| 124 | https://leetcode.com/problems/binary-tree-maximum-path-sum | Binary Tree Maximum Path Sum | Hard | 42.0% | 50.0% |
| 146 | https://leetcode.com/problems/lru-cache | LRU Cache | Medium | 46.8% | 75.0% |
| 150 | https://leetcode.com/problems/evaluate-reverse-polish-notation | Evaluate Reverse Polish Notation | Medium | 57.0% | 75.0% |
| 200 | https://leetcode.com/problems/number-of-islands | Number of Islands | Medium | 63.8% | 62.5% |
| 207 | https://leetcode.com/problems/course-schedule | Course Schedule | Medium | 50.8% | 50.0% |
| 221 | https://leetcode.com/problems/maximal-square | Maximal Square | Medium | 50.0% | 50.0% |
| 239 | https://leetcode.com/problems/sliding-window-maximum | Sliding Window Maximum | Hard | 48.4% | 100.0% |
| 279 | https://leetcode.com/problems/perfect-squares | Perfect Squares | Medium | 56.3% | 50.0% |
| 287 | https://leetcode.com/problems/find-the-duplicate-number | Find the Duplicate Number | Medium | 64.0% | 75.0% |
| 295 | https://leetcode.com/problems/find-median-from-data-stream | Find Median from Data Stream | Hard | 54.2% | 87.5% |
| 297 | https://leetcode.com/problems/serialize-and-deserialize-binary-tree | Serialize and Deserialize Binary Tree | Hard | 60.3% | 62.5% |
| 3186 | https://leetcode.com/problems/maximum-total-damage-with-spell-casting | Maximum Total Damage With Spell Casting | Medium | 45.0% | 87.5% |
| 1268 | https://leetcode.com/problems/search-suggestions-system | Search Suggestions System | Medium | 65.2% | 62.5% |
| 380 | https://leetcode.com/problems/insert-delete-getrandom-o1 | Insert Delete GetRandom O(1) | Medium | 55.3% | 75.0% |
| 399 | https://leetcode.com/problems/evaluate-division | Evaluate Division | Medium | 64.0% | 75.0% |
| 2361 | https://leetcode.com/problems/minimum-costs-using-the-train-line | Minimum Costs Using the Train Line | Hard | 77.9% | 87.5% |
| 460 | https://leetcode.com/problems/lfu-cache | LFU Cache | Hard | 48.6% | 75.0% |
| 1515 | https://leetcode.com/problems/best-position-for-a-service-centre | Best Position for a Service Centre | Hard | 35.2% | 87.5% |
| 2661 | https://leetcode.com/problems/first-completely-painted-row-or-column | First Completely Painted Row or Column | Medium | 63.9% | 87.5% |
| 642 | https://leetcode.com/problems/design-search-autocomplete-system | Design Search Autocomplete System | Hard | 49.7% | 50.0% |
| 647 | https://leetcode.com/problems/palindromic-substrings | Palindromic Substrings | Medium | 72.5% | 100.0% |
| 2702 | https://leetcode.com/problems/minimum-operations-to-make-numbers-non-positive | Minimum Operations to Make Numbers Non-positive | Hard | 44.0% | 87.5% |
| 718 | https://leetcode.com/problems/maximum-length-of-repeated-subarray | Maximum Length of Repeated Subarray | Medium | 51.2% | 87.5% |
| 740 | https://leetcode.com/problems/delete-and-earn | Delete and Earn | Medium | 57.1% | 50.0% |
| 2771 | https://leetcode.com/problems/longest-non-decreasing-subarray-from-two-arrays | Longest Non-decreasing Subarray From Two Arrays | Medium | 31.0% | 50.0% |
| 49 | https://leetcode.com/problems/group-anagrams | Group Anagrams | Medium | 72.2% | 62.5% |
| 2958 | https://leetcode.com/problems/length-of-longest-subarray-with-at-most-k-frequency | Length of Longest Subarray With at Most K Frequency | Medium | 56.4% | 75.0% |
| 622 | https://leetcode.com/problems/design-circular-queue | Design Circular Queue | Medium | 54.0% | 62.5% |
| 79 | https://leetcode.com/problems/word-search | Word Search | Medium | 46.8% | 50.0% |
| 412 | https://leetcode.com/problems/fizz-buzz | Fizz Buzz | Easy | 75.2% | 62.5% |
| 765 | https://leetcode.com/problems/couples-holding-hands | Couples Holding Hands | Hard | 59.2% | 62.5% |
| 208 | https://leetcode.com/problems/implement-trie-prefix-tree | Implement Trie (Prefix Tree) | Medium | 69.2% | 50.0% |
| 631 | https://leetcode.com/problems/design-excel-sum-formula | Design Excel Sum Formula | Hard | 39.8% | 50.0% |
| 2050 | https://leetcode.com/problems/parallel-courses-iii | Parallel Courses III | Hard | 66.8% | 75.0% |
| 210 | https://leetcode.com/problems/course-schedule-ii | Course Schedule II | Medium | 55.0% | 62.5% |
| 1884 | https://leetcode.com/problems/egg-drop-with-2-eggs-and-n-floors | Egg Drop With 2 Eggs and N Floors | Medium | 74.6% | 50.0% |
| 1670 | https://leetcode.com/problems/design-front-middle-back-queue | Design Front Middle Back Queue | Medium | 56.9% | 50.0% |
| 767 | https://leetcode.com/problems/reorganize-string | Reorganize String | Medium | 56.8% | 50.0% |
| 1203 | https://leetcode.com/problems/sort-items-by-groups-respecting-dependencies | Sort Items by Groups Respecting Dependencies | Hard | 65.6% | 50.0% |
| 346 | https://leetcode.com/problems/moving-average-from-data-stream | Moving Average from Data Stream | Easy | 80.2% | 62.5% |
| 69 | https://leetcode.com/problems/sqrtx | Sqrt(x) | Easy | 41.4% | 62.5% |
| 2044 | https://leetcode.com/problems/count-number-of-maximum-bitwise-or-subsets | Count Number of Maximum Bitwise-OR Subsets | Medium | 89.6% | 50.0% |
| 126 | https://leetcode.com/problems/word-ladder-ii | Word Ladder II | Hard | 27.5% | 50.0% |
| 17 | https://leetcode.com/problems/letter-combinations-of-a-phone-number | Letter Combinations of a Phone Number | Medium | 65.5% | 50.0% |
| 70 | https://leetcode.com/problems/climbing-stairs | Climbing Stairs | Easy | 53.9% | 50.0% |
| 256 | https://leetcode.com/problems/paint-house | Paint House | Medium | 64.3% | 50.0% |
| 1632 | https://leetcode.com/problems/rank-transform-of-a-matrix | Rank Transform of a Matrix | Hard | 42.0% | 50.0% |
| 300 | https://leetcode.com/problems/longest-increasing-subsequence | Longest Increasing Subsequence | Medium | 59.0% | 50.0% |
| 56 | https://leetcode.com/problems/merge-intervals | Merge Intervals | Medium | 51.1% | 87.5% |
| 103 | https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal | Binary Tree Zigzag Level Order Traversal | Medium | 63.1% | 62.5% |
| 50 | https://leetcode.com/problems/powx-n | Pow(x, n) | Medium | 38.2% | 50.0% |
| 2484 | https://leetcode.com/problems/count-palindromic-subsequences | Count Palindromic Subsequences | Hard | 41.0% | 100.0% |
| 12 | https://leetcode.com/problems/integer-to-roman | Integer to Roman | Medium | 70.4% | 50.0% |
| 759 | https://leetcode.com/problems/employee-free-time | Employee Free Time | Hard | 72.8% | 75.0% |
| 875 | https://leetcode.com/problems/koko-eating-bananas | Koko Eating Bananas | Medium | 49.7% | 50.0% |
| 149 | https://leetcode.com/problems/max-points-on-a-line | Max Points on a Line | Hard | 30.2% | 50.0% |
| 1229 | https://leetcode.com/problems/meeting-scheduler | Meeting Scheduler | Medium | 55.2% | 75.0% |
| 1606 | https://leetcode.com/problems/find-servers-that-handled-most-number-of-requests | Find Servers That Handled Most Number of Requests | Hard | 45.2% | 62.5% |
| 1801 | https://leetcode.com/problems/number-of-orders-in-the-backlog | Number of Orders in the Backlog | Medium | 53.6% | 75.0% |
| 332 | https://leetcode.com/problems/reconstruct-itinerary | Reconstruct Itinerary | Hard | 44.3% | 62.5% |
| 5 | https://leetcode.com/problems/longest-palindromic-substring | Longest Palindromic Substring | Medium | 37.3% | 50.0% |
| 1010 | https://leetcode.com/problems/pairs-of-songs-with-total-durations-divisible-by-60 | Pairs of Songs With Total Durations Divisible by 60 | Medium | 53.4% | 50.0% |
| 1004 | https://leetcode.com/problems/max-consecutive-ones-iii | Max Consecutive Ones III | Medium | 67.3% | 62.5% |
| 204 | https://leetcode.com/problems/count-primes | Count Primes | Medium | 35.7% | 50.0% |
| 253 | https://leetcode.com/problems/meeting-rooms-ii | Meeting Rooms II | Medium | 52.5% | 50.0% |
| 34 | https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array | Find First and Last Position of Element in Sorted Array | Medium | 48.3% | 50.0% |
| 2598 | https://leetcode.com/problems/smallest-missing-non-negative-integer-after-operations | Smallest Missing Non-negative Integer After Operations | Medium | 55.9% | 62.5% |
| 31 | https://leetcode.com/problems/next-permutation | Next Permutation | Medium | 44.7% | 50.0% |
| 98 | https://leetcode.com/problems/validate-binary-search-tree | Validate Binary Search Tree | Medium | 35.3% | 50.0% |
| 343 | https://leetcode.com/problems/integer-break | Integer Break | Medium | 61.8% | 50.0% |
| 151 | https://leetcode.com/problems/reverse-words-in-a-string | Reverse Words in a String | Medium | 55.5% | 50.0% |
| 1155 | https://leetcode.com/problems/number-of-dice-rolls-with-target-sum | Number of Dice Rolls With Target Sum | Medium | 62.2% | 50.0% |
| 1235 | https://leetcode.com/problems/maximum-profit-in-job-scheduling | Maximum Profit in Job Scheduling | Hard | 54.6% | 50.0% |
| 127 | https://leetcode.com/problems/word-ladder | Word Ladder | Hard | 44.9% | 50.0% |
| 465 | https://leetcode.com/problems/optimal-account-balancing | Optimal Account Balancing | Hard | 50.3% | 50.0% |
| 348 | https://leetcode.com/problems/design-tic-tac-toe | Design Tic-Tac-Toe | Medium | 58.7% | 50.0% |
| 188 | https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv | Best Time to Buy and Sell Stock IV | Hard | 49.5% | 50.0% |
| 155 | https://leetcode.com/problems/min-stack | Min Stack | Medium | 57.7% | 50.0% |
| 53 | https://leetcode.com/problems/maximum-subarray | Maximum Subarray | Medium | 53.0% | 50.0% |
| 1 | https://leetcode.com/problems/two-sum | Two Sum | Easy | 57.1% | 50.0% |
| 782 | https://leetcode.com/problems/transform-to-chessboard | Transform to Chessboard | Hard | 51.1% | 50.0% |
| 981 | https://leetcode.com/problems/time-based-key-value-store | Time Based Key-Value Store | Medium | 49.7% | 50.0% |
| 1244 | https://leetcode.com/problems/design-a-leaderboard | Design A Leaderboard | Medium | 68.1% | 50.0% |
| 1192 | https://leetcode.com/problems/critical-connections-in-a-network | Critical Connections in a Network | Hard | 59.3% | 50.0% |