| 1 | https://leetcode.com/problems/two-sum | Two Sum | Easy | 57.1% | 75.0% |
| 2 | https://leetcode.com/problems/add-two-numbers | Add Two Numbers | Medium | 47.9% | 50.0% |
| 3 | https://leetcode.com/problems/longest-substring-without-repeating-characters | Longest Substring Without Repeating Characters | Medium | 38.5% | 87.5% |
| 4 | https://leetcode.com/problems/median-of-two-sorted-arrays | Median of Two Sorted Arrays | Hard | 45.9% | 50.0% |
| 5 | https://leetcode.com/problems/longest-palindromic-substring | Longest Palindromic Substring | Medium | 37.3% | 62.5% |
| 7 | https://leetcode.com/problems/reverse-integer | Reverse Integer | Medium | 31.5% | 37.5% |
| 11 | https://leetcode.com/problems/container-with-most-water | Container With Most Water | Medium | 59.5% | 62.5% |
| 20 | https://leetcode.com/problems/valid-parentheses | Valid Parentheses | Easy | 43.7% | 62.5% |
| 21 | https://leetcode.com/problems/merge-two-sorted-lists | Merge Two Sorted Lists | Easy | 67.9% | 62.5% |
| 22 | https://leetcode.com/problems/generate-parentheses | Generate Parentheses | Medium | 78.2% | 50.0% |
| 23 | https://leetcode.com/problems/merge-k-sorted-lists | Merge k Sorted Lists | Hard | 58.8% | 50.0% |
| 27 | https://leetcode.com/problems/remove-element | Remove Element | Easy | 61.3% | 37.5% |
| 33 | https://leetcode.com/problems/search-in-rotated-sorted-array | Search in Rotated Sorted Array | Medium | 44.1% | 50.0% |
| 42 | https://leetcode.com/problems/trapping-rain-water | Trapping Rain Water | Hard | 66.8% | 62.5% |
| 49 | https://leetcode.com/problems/group-anagrams | Group Anagrams | Medium | 72.2% | 62.5% |
| 56 | https://leetcode.com/problems/merge-intervals | Merge Intervals | Medium | 51.1% | 75.0% |
| 71 | https://leetcode.com/problems/simplify-path | Simplify Path | Medium | 50.0% | 50.0% |
| 76 | https://leetcode.com/problems/minimum-window-substring | Minimum Window Substring | Hard | 46.9% | 50.0% |
| 88 | https://leetcode.com/problems/merge-sorted-array | Merge Sorted Array | Easy | 54.4% | 62.5% |
| 98 | https://leetcode.com/problems/validate-binary-search-tree | Validate Binary Search Tree | Medium | 35.3% | 37.5% |
| 101 | https://leetcode.com/problems/symmetric-tree | Symmetric Tree | Easy | 60.7% | 50.0% |
| 103 | https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal | Binary Tree Zigzag Level Order Traversal | Medium | 63.1% | 37.5% |
| 110 | https://leetcode.com/problems/balanced-binary-tree | Balanced Binary Tree | Easy | 57.8% | 37.5% |
| 124 | https://leetcode.com/problems/binary-tree-maximum-path-sum | Binary Tree Maximum Path Sum | Hard | 42.0% | 50.0% |
| 121 | https://leetcode.com/problems/best-time-to-buy-and-sell-stock | Best Time to Buy and Sell Stock | Easy | 56.4% | 50.0% |
| 125 | https://leetcode.com/problems/valid-palindrome | Valid Palindrome | Easy | 52.8% | 75.0% |
| 136 | https://leetcode.com/problems/single-number | Single Number | Easy | 77.3% | 25.0% |
| 1004 | https://leetcode.com/problems/max-consecutive-ones-iii | Max Consecutive Ones III | Medium | 67.3% | 50.0% |
| 146 | https://leetcode.com/problems/lru-cache | LRU Cache | Medium | 46.8% | 50.0% |
| 150 | https://leetcode.com/problems/evaluate-reverse-polish-notation | Evaluate Reverse Polish Notation | Medium | 57.0% | 25.0% |
| 153 | https://leetcode.com/problems/find-minimum-in-rotated-sorted-array | Find Minimum in Rotated Sorted Array | Medium | 53.8% | 37.5% |
| 155 | https://leetcode.com/problems/min-stack | Min Stack | Medium | 57.7% | 62.5% |
| 161 | https://leetcode.com/problems/one-edit-distance | One Edit Distance | Medium | 34.5% | 75.0% |
| 167 | https://leetcode.com/problems/two-sum-ii-input-array-is-sorted | Two Sum II - Input Array Is Sorted | Medium | 64.6% | 37.5% |
| 169 | https://leetcode.com/problems/majority-element | Majority Element | Easy | 66.1% | 25.0% |
| 199 | https://leetcode.com/problems/binary-tree-right-side-view | Binary Tree Right Side View | Medium | 69.5% | 50.0% |
| 200 | https://leetcode.com/problems/number-of-islands | Number of Islands | Medium | 63.8% | 75.0% |
| 205 | https://leetcode.com/problems/isomorphic-strings | Isomorphic Strings | Easy | 48.0% | 75.0% |
| 206 | https://leetcode.com/problems/reverse-linked-list | Reverse Linked List | Easy | 80.2% | 37.5% |
| 220 | https://leetcode.com/problems/contains-duplicate-iii | Contains Duplicate III | Hard | 24.4% | 25.0% |
| 228 | https://leetcode.com/problems/summary-ranges | Summary Ranges | Easy | 53.9% | 87.5% |
| 234 | https://leetcode.com/problems/palindrome-linked-list | Palindrome Linked List | Easy | 57.4% | 25.0% |
| 236 | https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree | Lowest Common Ancestor of a Binary Tree | Medium | 68.7% | 50.0% |
| 235 | https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree | Lowest Common Ancestor of a Binary Search Tree | Medium | 70.0% | 37.5% |
| 238 | https://leetcode.com/problems/product-of-array-except-self | Product of Array Except Self | Medium | 68.6% | 50.0% |
| 242 | https://leetcode.com/problems/valid-anagram | Valid Anagram | Easy | 67.8% | 37.5% |
| 986 | https://leetcode.com/problems/interval-list-intersections | Interval List Intersections | Medium | 72.9% | 62.5% |
| 279 | https://leetcode.com/problems/perfect-squares | Perfect Squares | Medium | 56.3% | 50.0% |
| 283 | https://leetcode.com/problems/move-zeroes | Move Zeroes | Easy | 63.5% | 75.0% |
| 300 | https://leetcode.com/problems/longest-increasing-subsequence | Longest Increasing Subsequence | Medium | 59.0% | 37.5% |
| 2241 | https://leetcode.com/problems/design-an-atm-machine | Design an ATM Machine | Medium | 44.5% | 62.5% |
| 332 | https://leetcode.com/problems/reconstruct-itinerary | Reconstruct Itinerary | Hard | 44.3% | 50.0% |
| 340 | https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters | Longest Substring with At Most K Distinct Characters | Medium | 49.9% | 50.0% |
| 347 | https://leetcode.com/problems/top-k-frequent-elements | Top K Frequent Elements | Medium | 65.8% | 25.0% |
| 349 | https://leetcode.com/problems/intersection-of-two-arrays | Intersection of Two Arrays | Easy | 77.5% | 37.5% |
| 350 | https://leetcode.com/problems/intersection-of-two-arrays-ii | Intersection of Two Arrays II | Easy | 59.7% | 37.5% |
| 356 | https://leetcode.com/problems/line-reflection | Line Reflection | Medium | 36.3% | 75.0% |
| 362 | https://leetcode.com/problems/design-hit-counter | Design Hit Counter | Medium | 69.6% | 50.0% |
| 380 | https://leetcode.com/problems/insert-delete-getrandom-o1 | Insert Delete GetRandom O(1) | Medium | 55.3% | 75.0% |
| 387 | https://leetcode.com/problems/first-unique-character-in-a-string | First Unique Character in a String | Easy | 65.0% | 37.5% |
| 392 | https://leetcode.com/problems/is-subsequence | Is Subsequence | Easy | 48.8% | 62.5% |
| 395 | https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters | Longest Substring with At Least K Repeating Characters | Medium | 46.0% | 25.0% |
| 424 | https://leetcode.com/problems/longest-repeating-character-replacement | Longest Repeating Character Replacement | Medium | 59.0% | 37.5% |
| 438 | https://leetcode.com/problems/find-all-anagrams-in-a-string | Find All Anagrams in a String | Medium | 53.3% | 75.0% |
| 443 | https://leetcode.com/problems/string-compression | String Compression | Medium | 59.5% | 87.5% |
| 485 | https://leetcode.com/problems/max-consecutive-ones | Max Consecutive Ones | Easy | 64.6% | 37.5% |
| 487 | https://leetcode.com/problems/max-consecutive-ones-ii | Max Consecutive Ones II | Medium | 51.9% | 25.0% |
| 523 | https://leetcode.com/problems/continuous-subarray-sum | Continuous Subarray Sum | Medium | 31.2% | 37.5% |
| 1436 | https://leetcode.com/problems/destination-city | Destination City | Easy | 79.5% | 37.5% |
| 560 | https://leetcode.com/problems/subarray-sum-equals-k | Subarray Sum Equals K | Medium | 46.8% | 75.0% |
| 1493 | https://leetcode.com/problems/longest-subarray-of-1s-after-deleting-one-element | Longest Subarray of 1's After Deleting One Element | Medium | 71.0% | 100.0% |
| 567 | https://leetcode.com/problems/permutation-in-string | Permutation in String | Medium | 48.4% | 75.0% |
| 605 | https://leetcode.com/problems/can-place-flowers | Can Place Flowers | Easy | 29.0% | 37.5% |
| 652 | https://leetcode.com/problems/find-duplicate-subtrees | Find Duplicate Subtrees | Medium | 60.6% | 50.0% |
| 658 | https://leetcode.com/problems/find-k-closest-elements | Find K Closest Elements | Medium | 49.4% | 87.5% |
| 680 | https://leetcode.com/problems/valid-palindrome-ii | Valid Palindrome II | Easy | 44.0% | 75.0% |
| 2627 | https://leetcode.com/problems/debounce | Debounce | Medium | 91.8% | 37.5% |
| 2657 | https://leetcode.com/problems/find-the-prefix-common-array-of-two-arrays | Find the Prefix Common Array of Two Arrays | Medium | 87.0% | 75.0% |
| 763 | https://leetcode.com/problems/partition-labels | Partition Labels | Medium | 81.8% | 25.0% |
| 1679 | https://leetcode.com/problems/max-number-of-k-sum-pairs | Max Number of K-Sum Pairs | Medium | 56.9% | 25.0% |
| 771 | https://leetcode.com/problems/jewels-and-stones | Jewels and Stones | Easy | 89.5% | 37.5% |
| 849 | https://leetcode.com/problems/maximize-distance-to-closest-person | Maximize Distance to Closest Person | Medium | 49.6% | 87.5% |
| 896 | https://leetcode.com/problems/monotonic-array | Monotonic Array | Easy | 62.2% | 50.0% |
| 933 | https://leetcode.com/problems/number-of-recent-calls | Number of Recent Calls | Easy | 78.1% | 50.0% |
| 1868 | https://leetcode.com/problems/product-of-two-run-length-encoded-arrays | Product of Two Run-Length Encoded Arrays | Medium | 59.6% | 37.5% |
| 977 | https://leetcode.com/problems/squares-of-a-sorted-array | Squares of a Sorted Array | Easy | 73.6% | 62.5% |
| 68 | https://leetcode.com/problems/text-justification | Text Justification | Hard | 50.4% | 25.0% |
| 674 | https://leetcode.com/problems/longest-continuous-increasing-subsequence | Longest Continuous Increasing Subsequence | Easy | 51.8% | 37.5% |
| 3105 | https://leetcode.com/problems/longest-strictly-increasing-or-strictly-decreasing-subarray | Longest Strictly Increasing or Strictly Decreasing Subarray | Easy | 64.9% | 75.0% |
| 938 | https://leetcode.com/problems/range-sum-of-bst | Range Sum of BST | Easy | 87.6% | 37.5% |
| 17 | https://leetcode.com/problems/letter-combinations-of-a-phone-number | Letter Combinations of a Phone Number | Medium | 65.5% | 37.5% |
| 227 | https://leetcode.com/problems/basic-calculator-ii | Basic Calculator II | Medium | 46.6% | 50.0% |
| 26 | https://leetcode.com/problems/remove-duplicates-from-sorted-array | Remove Duplicates from Sorted Array | Easy | 62.2% | 37.5% |
| 18 | https://leetcode.com/problems/4sum | 4Sum | Medium | 40.0% | 37.5% |
| 322 | https://leetcode.com/problems/coin-change | Coin Change | Medium | 47.9% | 37.5% |
| 2841 | https://leetcode.com/problems/maximum-sum-of-almost-unique-subarray | Maximum Sum of Almost Unique Subarray | Medium | 40.7% | 25.0% |
| 2743 | https://leetcode.com/problems/count-substrings-without-repeating-character | Count Substrings Without Repeating Character | Medium | 76.1% | 50.0% |
| 13 | https://leetcode.com/problems/roman-to-integer | Roman to Integer | Easy | 66.2% | 25.0% |
| 2570 | https://leetcode.com/problems/merge-two-2d-arrays-by-summing-values | Merge Two 2D Arrays by Summing Values | Easy | 81.8% | 25.0% |
| 470 | https://leetcode.com/problems/implement-rand10-using-rand7 | Implement Rand10() Using Rand7() | Medium | 46.2% | 25.0% |
| 232 | https://leetcode.com/problems/implement-queue-using-stacks | Implement Queue using Stacks | Easy | 69.3% | 37.5% |
| 1656 | https://leetcode.com/problems/design-an-ordered-stream | Design an Ordered Stream | Easy | 82.6% | 25.0% |
| 881 | https://leetcode.com/problems/boats-to-save-people | Boats to Save People | Medium | 61.4% | 25.0% |
| 19 | https://leetcode.com/problems/remove-nth-node-from-end-of-list | Remove Nth Node From End of List | Medium | 51.0% | 37.5% |
| 739 | https://leetcode.com/problems/daily-temperatures | Daily Temperatures | Medium | 68.3% | 37.5% |
| 102 | https://leetcode.com/problems/binary-tree-level-order-traversal | Binary Tree Level Order Traversal | Medium | 72.2% | 25.0% |
| 295 | https://leetcode.com/problems/find-median-from-data-stream | Find Median from Data Stream | Hard | 54.2% | 37.5% |
| 415 | https://leetcode.com/problems/add-strings | Add Strings | Easy | 52.1% | 37.5% |
| 24 | https://leetcode.com/problems/swap-nodes-in-pairs | Swap Nodes in Pairs | Medium | 68.9% | 25.0% |
| 1650 | https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree-iii | Lowest Common Ancestor of a Binary Tree III | Medium | 82.9% | 25.0% |
| 53 | https://leetcode.com/problems/maximum-subarray | Maximum Subarray | Medium | 53.0% | 37.5% |
| 141 | https://leetcode.com/problems/linked-list-cycle | Linked List Cycle | Easy | 53.9% | 25.0% |
| 2667 | https://leetcode.com/problems/create-hello-world-function | Create Hello World Function | Easy | 82.0% | 25.0% |
| 1572 | https://leetcode.com/problems/matrix-diagonal-sum | Matrix Diagonal Sum | Easy | 84.1% | 37.5% |
| 1386 | https://leetcode.com/problems/cinema-seat-allocation | Cinema Seat Allocation | Medium | 43.6% | 25.0% |
| 239 | https://leetcode.com/problems/sliding-window-maximum | Sliding Window Maximum | Hard | 48.4% | 25.0% |
| 2665 | https://leetcode.com/problems/counter-ii | Counter II | Easy | 81.2% | 25.0% |
| 35 | https://leetcode.com/problems/search-insert-position | Search Insert Position | Easy | 50.7% | 25.0% |
| 2666 | https://leetcode.com/problems/allow-one-function-call | Allow One Function Call | Easy | 86.7% | 37.5% |
| 1496 | https://leetcode.com/problems/path-crossing | Path Crossing | Easy | 62.6% | 37.5% |
| 994 | https://leetcode.com/problems/rotting-oranges | Rotting Oranges | Medium | 58.1% | 25.0% |
| 181 | https://leetcode.com/problems/employees-earning-more-than-their-managers | Employees Earning More Than Their Managers | Easy | 72.8% | 25.0% |
| 643 | https://leetcode.com/problems/maximum-average-subarray-i | Maximum Average Subarray I | Easy | 47.0% | 25.0% |
| 2215 | https://leetcode.com/problems/find-the-difference-of-two-arrays | Find the Difference of Two Arrays | Easy | 81.3% | 25.0% |
| 2043 | https://leetcode.com/problems/simple-bank-system | Simple Bank System | Medium | 69.8% | 25.0% |
| 2956 | https://leetcode.com/problems/find-common-elements-between-two-arrays | Find Common Elements Between Two Arrays | Easy | 84.4% | 25.0% |
| 341 | https://leetcode.com/problems/flatten-nested-list-iterator | Flatten Nested List Iterator | Medium | 65.6% | 25.0% |
| 974 | https://leetcode.com/problems/subarray-sums-divisible-by-k | Subarray Sums Divisible by K | Medium | 56.0% | 25.0% |
| 2629 | https://leetcode.com/problems/function-composition | Function Composition | Easy | 86.9% | 37.5% |
| 209 | https://leetcode.com/problems/minimum-size-subarray-sum | Minimum Size Subarray Sum | Medium | 51.0% | 37.5% |
| 9 | https://leetcode.com/problems/palindrome-number | Palindrome Number | Easy | 60.2% | 25.0% |
| 74 | https://leetcode.com/problems/search-a-2d-matrix | Search a 2D Matrix | Medium | 53.5% | 25.0% |
| 2006 | https://leetcode.com/problems/count-number-of-pairs-with-absolute-difference-k | Count Number of Pairs With Absolute Difference K | Easy | 85.3% | 25.0% |
| 1438 | https://leetcode.com/problems/longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit | Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium | 57.3% | 25.0% |