LeetCode 游戏
最近开始学习极客专栏的算法，为了对博客不造成污染，特将 LeetCode 题目列表记录一下，方式借鉴参考了 Keans' Blog,在此要表示感谢。
| ID | Title | Acceptance | Difficulty | Editorial |
|---|---|---|---|---|
| 1 | Two Sum | 39.1% | Easy | Resolved |
| 2 | Add Two Numbers | 29.4% | Medium | Unresolved |
| 3 | Longest Substring Without Repeating Characters | 25.2% | Medium | Unresolved |
| 4 | Median of Two Sorted Arrays | 24.3% | Hard | Unresolved |
| 5 | Longest Palindromic Substring | 25.7% | Medium | Unresolved |
| 6 | ZigZag Conversion | 29.1% | Medium | Unresolved |
| 7 | Reverse Integer | 24.5% | Easy | Unresolved |
| 8 | String to Integer (atoi) | 14.2% | Medium | Unresolved |
| 9 | Palindrome Number | 39.3% | Easy | Unresolved |
| 10 | Regular Expression Matching | 24.5% | Hard | Unresolved |
| 11 | Container With Most Water | 39.8% | Medium | Unresolved |
| 12 | Integer to Roman | 48.2% | Medium | Unresolved |
| 13 | Roman to Integer | 50.0% | Easy | Unresolved |
| 14 | Longest Common Prefix | 32.1% | Easy | Unresolved |
| 15 | 3Sum | 22.3% | Medium | Unresolved |
| 16 | 3Sum Closest | 32.9% | Medium | Unresolved |
| 17 | Letter Combinations of a Phone Number | 38.7% | Medium | Unresolved |
| 18 | 4Sum | 28.6% | Medium | Unresolved |
| 19 | Remove Nth Node From End of List | 33.6% | Medium | Unresolved |
| 20 | Valid Parentheses | 34.9% | Easy | Unresolved |
| 21 | Merge Two Sorted Lists | 43.8% | Easy | Unresolved |
| 22 | Generate Parentheses | 51.0% | Medium | Unresolved |
| 23 | Merge k Sorted Lists | 31.0% | Hard | Unresolved |
| 24 | Swap Nodes in Pairs | 41.4% | Medium | Unresolved |
| 25 | Reverse Nodes in k-Group | 33.9% | Hard | Unresolved |
| 26 | Remove Duplicates from Sorted Array | 38.2% | Easy | Unresolved |
| 27 | Remove Element | 42.3% | Easy | Unresolved |
| 28 | Implement strStr() | 30.3% | Easy | Unresolved |
| 29 | Divide Two Integers | 15.8% | Medium | Unresolved |
| 30 | Substring with Concatenation of All Words | 22.5% | Hard | Unresolved |
| 31 | Next Permutation | 29.4% | Medium | Unresolved |
| 32 | Longest Valid Parentheses | 24.1% | Hard | Unresolved |
| 33 | Search in Rotated Sorted Array | 32.2% | Medium | Unresolved |
| 34 | Find First and Last Position of Element in Sorted Array | 32.2% | Medium | Unresolved |
| 35 | Search Insert Position | 40.0% | Easy | Unresolved |
| 36 | Valid Sudoku | 40.0% | Medium | Unresolved |
| 37 | Sudoku Solver | 34.0% | Hard | Unresolved |
| 38 | Count and Say | 38.2% | Easy | Unresolved |
| 39 | Combination Sum | 44.4% | Medium | Unresolved |
| 40 | Combination Sum II | 38.4% | Medium | Unresolved |
| 41 | First Missing Positive | 27.1% | Hard | Unresolved |
| 42 | Trapping Rain Water | 39.9% | Hard | Unresolved |
| 43 | Multiply Strings | 29.0% | Medium | Unresolved |
| 44 | Wildcard Matching | 21.8% | Hard | Unresolved |
| 45 | Jump Game II | 26.5% | Hard | Unresolved |
| 46 | Permutations | 51.0% | Medium | Unresolved |
| 47 | Permutations II | 37.5% | Medium | Unresolved |
| 48 | Rotate Image | 44.8% | Medium | Unresolved |
| 49 | Group Anagrams | 42.2% | Medium | Unresolved |
| 50 | Pow(x, n) | 26.8% | Medium | Unresolved |
| 51 | N-Queens | 35.9% | Hard | Unresolved |
| 52 | N-Queens II | 49.2% | Hard | Unresolved |
| 53 | Maximum Subarray | 41.6% | Easy | Unresolved |
| 54 | Spiral Matrix | 28.6% | Medium | Unresolved |
| 55 | Jump Game | 30.4% | Medium | Unresolved |
| 56 | Merge Intervals | 33.5% | Medium | Unresolved |
| 57 | Insert Interval | 30.0% | Hard | Unresolved |
| 58 | Length of Last Word | 32.0% | Easy | Unresolved |
| 59 | Spiral Matrix II | 43.7% | Medium | Unresolved |
| 60 | Permutation Sequence | 31.1% | Medium | Unresolved |
| 61 | Rotate List | 25.7% | Medium | Unresolved |
| 62 | Unique Paths | 44.9% | Medium | Unresolved |
| 63 | Unique Paths II | 32.8% | Medium | Unresolved |
| 64 | Minimum Path Sum | 43.6% | Medium | Unresolved |
| 65 | Valid Number | 13.3% | Hard | Unresolved |
| 66 | Plus One | 40.0% | Easy | Unresolved |
| 67 | Add Binary | 36.3% | Easy | Unresolved |
| 68 | Text Justification | 21.4% | Hard | Unresolved |
| 69 | Sqrt(x) | 29.7% | Easy | Unresolved |
| 70 | Climbing Stairs | 42.3% | Easy | Unresolved |
| 71 | Simplify Path | 27.3% | Medium | Unresolved |
| 72 | Edit Distance | 34.8% | Hard | Unresolved |
| 73 | Set Matrix Zeroes | 38.0% | Medium | Unresolved |
| 74 | Search a 2D Matrix | 34.4% | Medium | Unresolved |
| 75 | Sort Colors | 40.3% | Medium | Unresolved |
| 76 | Minimum Window Substring | 28.7% | Hard | Unresolved |
| 77 | Combinations | 44.1% | Medium | Unresolved |
| 78 | Subsets | 48.6% | Medium | Unresolved |
| 79 | Word Search | 29.3% | Medium | Unresolved |
| 80 | Remove Duplicates from Sorted Array II | 38.5% | Medium | Unresolved |
| 81 | Search in Rotated Sorted Array II | 32.4% | Medium | Unresolved |
| 82 | Remove Duplicates from Sorted List II | 31.3% | Medium | Unresolved |
| 83 | Remove Duplicates from Sorted List | 41.1% | Easy | Unresolved |
| 84 | Largest Rectangle in Histogram | 29.1% | Hard | Unresolved |
| 85 | Maximal Rectangle | 31.2% | Hard | Unresolved |
| 86 | Partition List | 35.2% | Medium | Unresolved |
| 87 | Scramble String | 30.5% | Hard | Unresolved |
| 88 | Merge Sorted Array | 33.7% | Easy | Unresolved |
| 89 | Gray Code | 44.0% | Medium | Unresolved |
| 90 | Subsets II | 40.2% | Medium | Unresolved |
| 91 | Decode Ways | 21.2% | Medium | Unresolved |
| 92 | Reverse Linked List II | 32.9% | Medium | Unresolved |
| 93 | Restore IP Addresses | 29.7% | Medium | Unresolved |
| 94 | Binary Tree Inorder Traversal | 53.0% | Medium | Unresolved |
| 95 | Unique Binary Search Trees II | 33.6% | Medium | Unresolved |
| 96 | Unique Binary Search Trees | 43.7% | Medium | Unresolved |
| 97 | Interleaving String | 26.3% | Hard | Unresolved |
| 98 | Validate Binary Search Tree | 24.6% | Medium | Unresolved |
| 99 | Recover Binary Search Tree | 32.8% | Hard | Unresolved |
| 100 | Same Tree | 48.7% | Easy | Unresolved |
| 101 | Symmetric Tree | 41.7% | Easy | Unresolved |
| 102 | Binary Tree Level Order Traversal | 45.3% | Medium | Unresolved |
| 103 | Binary Tree Zigzag Level Order Traversal | 38.9% | Medium | Unresolved |
| 104 | Maximum Depth of Binary Tree | 57.5% | Easy | Unresolved |
| 105 | Construct Binary Tree from Preorder and Inorder Traversal | 37.5% | Medium | Unresolved |
| 106 | Construct Binary Tree from Inorder and Postorder Traversal | 36.4% | Medium | Unresolved |
| 107 | Binary Tree Level Order Traversal II | 44.2% | Easy | Unresolved |
| 108 | Convert Sorted Array to Binary Search Tree | 47.3% | Easy | Unresolved |
| 109 | Convert Sorted List to Binary Search Tree | 38.0% | Medium | Unresolved |
| 110 | Balanced Binary Tree | 39.5% | Easy | Unresolved |
| 111 | Minimum Depth of Binary Tree | 34.3% | Easy | Unresolved |
| 112 | Path Sum | 36.1% | Easy | Unresolved |
| 113 | Path Sum II | 38.0% | Medium | Unresolved |
| 114 | Flatten Binary Tree to Linked List | 39.3% | Medium | Unresolved |
| 115 | Distinct Subsequences | 33.6% | Hard | Unresolved |
| 116 | Populating Next Right Pointers in Each Node | 36.5% | Medium | Unresolved |
| 117 | Populating Next Right Pointers in Each Node II | 33.4% | Medium | Unresolved |
| 118 | Pascal's Triangle | 42.7% | Easy | Unresolved |
| 119 | Pascal's Triangle II | 40.4% | Easy | Unresolved |
| 120 | Triangle | 37.0% | Medium | Unresolved |
| 121 | Best Time to Buy and Sell Stock | 44.8% | Easy | Unresolved |
| 122 | Best Time to Buy and Sell Stock II | 49.6% | Easy | Unresolved |
| 123 | Best Time to Buy and Sell Stock III | 31.9% | Hard | Unresolved |
| 124 | Binary Tree Maximum Path Sum | 28.3% | Hard | Unresolved |
| 125 | Valid Palindrome | 29.0% | Easy | Unresolved |
| 126 | Word Ladder II | 16.0% | Hard | Unresolved |
| 127 | Word Ladder | 21.6% | Medium | Unresolved |
| 128 | Longest Consecutive Sequence | 39.7% | Hard | Unresolved |
| 129 | Sum Root to Leaf Numbers | 39.9% | Medium | Unresolved |
| 130 | Surrounded Regions | 21.1% | Medium | Unresolved |
| 131 | Palindrome Partitioning | 38.0% | Medium | Unresolved |
| 132 | Palindrome Partitioning II | 26.0% | Hard | Unresolved |
| 133 | Clone Graph | 25.1% | Medium | Unresolved |
| 134 | Gas Station | 31.8% | Medium | Unresolved |
| 135 | Candy | 26.6% | Hard | Unresolved |
| 136 | Single Number | 57.5% | Easy | Unresolved |
| 137 | Single Number II | 44.1% | Medium | Unresolved |
| 138 | Copy List with Random Pointer | 25.6% | Medium | Unresolved |
| 139 | Word Break | 33.0% | Medium | Unresolved |
| 140 | Word Break II | 25.7% | Hard | Unresolved |
| 141 | Linked List Cycle | 34.6% | Easy | Unresolved |
| 142 | Linked List Cycle II | 29.9% | Medium | Unresolved |
| 143 | Reorder List | 28.6% | Medium | Unresolved |
| 144 | Binary Tree Preorder Traversal | 49.0% | Medium | Unresolved |
| 145 | Binary Tree Postorder Traversal | 45.1% | Hard | Unresolved |
| 146 | LRU Cache | 22.1% | Hard | Unresolved |
| 147 | Insertion Sort List | 35.4% | Medium | Unresolved |
| 148 | Sort List | 32.3% | Medium | Unresolved |
| 149 | Max Points on a Line | 15.3% | Hard | Unresolved |
| 150 | Evaluate Reverse Polish Notation | 30.2% | Medium | Unresolved |
| 151 | Reverse Words in a String | 15.7% | Medium | Unresolved |
| 152 | Maximum Product Subarray | 27.8% | Medium | Unresolved |
| 153 | Find Minimum in Rotated Sorted Array | 41.8% | Medium | Unresolved |
| 154 | Find Minimum in Rotated Sorted Array II | 38.5% | Hard | Unresolved |
| 155 | Min Stack | 33.8% | Easy | Unresolved |
| 160 | Intersection of Two Linked Lists | 30.8% | Easy | Unresolved |
| 162 | Find Peak Element | 40.0% | Medium | Unresolved |
| 164 | Maximum Gap | 31.1% | Hard | Unresolved |
| 165 | Compare Version Numbers | 21.8% | Medium | Unresolved |
| 166 | Fraction to Recurring Decimal | 18.7% | Medium | Unresolved |
| 167 | Two Sum II - Input array is sorted | 47.9% | Easy | Unresolved |
| 168 | Excel Sheet Column Title | 28.1% | Easy | Unresolved |
| 169 | Majority Element | 50.0% | Easy | Unresolved |
| 171 | Excel Sheet Column Number | 50.0% | Easy | Unresolved |
| 172 | Factorial Trailing Zeroes | 36.9% | Easy | Unresolved |
| 173 | Binary Search Tree Iterator | 45.0% | Medium | Unresolved |
| 174 | Dungeon Game | 25.5% | Hard | Unresolved |
| 179 | Largest Number | 24.5% | Medium | Unresolved |
| 187 | Repeated DNA Sequences | 34.4% | Medium | Unresolved |
| 188 | Best Time to Buy and Sell Stock IV | 25.4% | Hard | Unresolved |
| 189 | Rotate Array | 27.4% | Easy | Unresolved |
| 190 | Reverse Bits | 29.2% | Easy | Unresolved |
| 191 | Number of 1 Bits | 40.9% | Easy | Unresolved |
| 198 | House Robber | 40.4% | Easy | Unresolved |
| 199 | Binary Tree Right Side View | 45.0% | Medium | Unresolved |
| 200 | Number of Islands | 38.5% | Medium | Unresolved |
| 201 | Bitwise AND of Numbers Range | 35.0% | Medium | Unresolved |
| 202 | Happy Number | 43.1% | Easy | Unresolved |
| 203 | Remove Linked List Elements | 34.5% | Easy | Unresolved |
| 204 | Count Primes | 27.3% | Easy | Unresolved |
| 205 | Isomorphic Strings | 35.8% | Easy | Unresolved |
| 206 | Reverse Linked List | 50.3% | Easy | Unresolved |
| 207 | Course Schedule | 35.3% | Medium | Unresolved |
| 208 | Implement Trie (Prefix Tree) | 34.5% | Medium | Unresolved |
| 209 | Minimum Size Subarray Sum | 33.4% | Medium | Unresolved |
| 210 | Course Schedule II | 32.2% | Medium | Unresolved |
| 211 | Add and Search Word - Data structure design | 27.6% | Medium | Unresolved |
| 212 | Word Search II | 26.3% | Hard | Unresolved |
| 213 | House Robber II | 34.7% | Medium | Unresolved |
| 214 | Shortest Palindrome | 26.2% | Hard | Unresolved |
| 215 | Kth Largest Element in an Array | 43.7% | Medium | Unresolved |
| 216 | Combination Sum III | 49.1% | Medium | Unresolved |
| 217 | Contains Duplicate | 49.3% | Easy | Unresolved |
| 218 | The Skyline Problem | 30.1% | Hard | Unresolved |
| 219 | Contains Duplicate II | 33.9% | Easy | Unresolved |
| 220 | Contains Duplicate III | 19.0% | Medium | Unresolved |
| 221 | Maximal Square | 31.4% | Medium | Unresolved |
| 222 | Count Complete Tree Nodes | 29.1% | Medium | Unresolved |
| 223 | Rectangle Area | 34.9% | Medium | Unresolved |
| 224 | Basic Calculator | 30.4% | Hard | Unresolved |
| 225 | Implement Stack using Queues | 36.4% | Easy | Unresolved |
| 226 | Invert Binary Tree | 55.6% | Easy | Unresolved |
| 227 | Basic Calculator II | 31.6% | Medium | Unresolved |
| 228 | Summary Ranges | 34.0% | Medium | Unresolved |
| 229 | Majority Element II | 30.5% | Medium | Unresolved |
| 230 | Kth Smallest Element in a BST | 48.1% | Medium | Unresolved |
| 231 | Power of Two | 41.2% | Easy | Unresolved |
| 232 | Implement Queue using Stacks | 40.3% | Easy | Unresolved |
| 233 | Number of Digit One | 29.4% | Hard | Unresolved |
| 234 | Palindrome Linked List | 34.4% | Easy | Unresolved |
| 235 | Lowest Common Ancestor of a Binary Search Tree | 41.9% | Easy | Unresolved |
| 236 | Lowest Common Ancestor of a Binary Tree | 33.0% | Medium | Unresolved |
| 237 | Delete Node in a Linked List | 50.0% | Easy | Unresolved |
| 238 | Product of Array Except Self | 52.3% | Medium | Unresolved |
| 239 | Sliding Window Maximum | 35.8% | Hard | Unresolved |
| 240 | Search a 2D Matrix II | 39.5% | Medium | Unresolved |
| 241 | Different Ways to Add Parentheses | 47.8% | Medium | Unresolved |
| 242 | Valid Anagram | 49.4% | Easy | Unresolved |
| 257 | Binary Tree Paths | 43.6% | Easy | Unresolved |
| 258 | Add Digits | 52.9% | Easy | Unresolved |
| 260 | Single Number III | 55.0% | Medium | Unresolved |
| 263 | Ugly Number | 40.0% | Easy | Unresolved |
| 264 | Ugly Number II | 34.5% | Medium | Unresolved |
| 268 | Missing Number | 46.4% | Easy | Unresolved |
| 273 | Integer to English Words | 23.3% | Hard | Unresolved |
| 274 | H-Index | 34.2% | Medium | Unresolved |
| 275 | H-Index II | 35.0% | Medium | Unresolved |
| 278 | First Bad Version | 27.6% | Easy | Unresolved |
| 279 | Perfect Squares | 39.1% | Medium | Unresolved |
| 282 | Expression Add Operators | 31.4% | Hard | Unresolved |
| 283 | Move Zeroes | 52.6% | Easy | Unresolved |
| 284 | Peeking Iterator | 37.5% | Medium | Unresolved |
| 287 | Find the Duplicate Number | 46.5% | Medium | Unresolved |
| 289 | Game of Life | 40.6% | Medium | Unresolved |
| 290 | Word Pattern | 34.1% | Easy | Unresolved |
| 292 | Nim Game | 55.4% | Easy | Unresolved |
| 295 | Find Median from Data Stream | 32.5% | Hard | Unresolved |
| 297 | Serialize and Deserialize Binary Tree | 37.5% | Hard | Unresolved |
| 299 | Bulls and Cows | 37.4% | Medium | Unresolved |
| 300 | Longest Increasing Subsequence | 39.5% | Medium | Unresolved |
| 301 | Remove Invalid Parentheses | 37.0% | Hard | Unresolved |
| 303 | Range Sum Query - Immutable | 34.9% | Easy | Unresolved |
| 304 | Range Sum Query 2D - Immutable | 29.6% | Medium | Unresolved |
| 306 | Additive Number | 27.9% | Medium | Unresolved |
| 307 | Range Sum Query - Mutable | 25.5% | Medium | Unresolved |
| 309 | Best Time to Buy and Sell Stock with Cooldown | 42.8% | Medium | Unresolved |
| 310 | Minimum Height Trees | 29.2% | Medium | Unresolved |
| 312 | Burst Balloons | 44.9% | Hard | Unresolved |
| 313 | Super Ugly Number | 39.7% | Medium | Unresolved |
| 315 | Count of Smaller Numbers After Self | 35.9% | Hard | Unresolved |
| 316 | Remove Duplicate Letters | 31.1% | Hard | Unresolved |
| 318 | Maximum Product of Word Lengths | 46.9% | Medium | Unresolved |
| 319 | Bulb Switcher | 43.4% | Medium | Unresolved |
| 321 | Create Maximum Number | 24.9% | Hard | Unresolved |
| 322 | Coin Change | 27.6% | Medium | Unresolved |
| 324 | Wiggle Sort II | 26.8% | Medium | Unresolved |
| 326 | Power of Three | 41.0% | Easy | Unresolved |
| 327 | Count of Range Sum | 31.3% | Hard | Unresolved |
| 328 | Odd Even Linked List | 46.8% | Medium | Unresolved |
| 329 | Longest Increasing Path in a Matrix | 38.1% | Hard | Unresolved |
| 330 | Patching Array | 33.0% | Hard | Unresolved |
| 331 | Verify Preorder Serialization of a Binary Tree | 37.7% | Medium | Unresolved |
| 332 | Reconstruct Itinerary | 30.0% | Medium | Unresolved |
| 334 | Increasing Triplet Subsequence | 39.3% | Medium | Unresolved |
| 335 | Self Crossing | 26.6% | Hard | Unresolved |
| 336 | Palindrome Pairs | 28.4% | Hard | Unresolved |
| 337 | House Robber III | 46.1% | Medium | Unresolved |
| 338 | Counting Bits | 63.1% | Medium | Unresolved |
| 341 | Flatten Nested List Iterator | 45.1% | Medium | Unresolved |
| 342 | Power of Four | 39.7% | Easy | Unresolved |
| 343 | Integer Break | 46.8% | Medium | Unresolved |
| 344 | Reverse String | 61.7% | Easy | Unresolved |
| 345 | Reverse Vowels of a String | 40.1% | Easy | Unresolved |
| 347 | Top K Frequent Elements | 51.5% | Medium | Unresolved |
| 349 | Intersection of Two Arrays | 50.7% | Easy | Unresolved |
| 350 | Intersection of Two Arrays II | 45.4% | Easy | Unresolved |
| 352 | Data Stream as Disjoint Intervals | 42.0% | Hard | Unresolved |
| 354 | Russian Doll Envelopes | 32.9% | Hard | Unresolved |
| 355 | Design Twitter | 26.3% | Medium | Unresolved |
| 357 | Count Numbers with Unique Digits | 46.2% | Medium | Unresolved |
| 363 | Max Sum of Rectangle No Larger Than K | 34.2% | Hard | Unresolved |
| 365 | Water and Jug Problem | 28.4% | Medium | Unresolved |
| 367 | Valid Perfect Square | 38.9% | Easy | Unresolved |
| 368 | Largest Divisible Subset | 34.1% | Medium | Unresolved |
| 371 | Sum of Two Integers | 51.0% | Easy | Unresolved |
| 372 | Super Pow | 35.0% | Medium | Unresolved |
| 373 | Find K Pairs with Smallest Sums | 32.1% | Medium | Unresolved |
| 374 | Guess Number Higher or Lower | 37.9% | Easy | Unresolved |
| 375 | Guess Number Higher or Lower II | 36.5% | Medium | Unresolved |
| 376 | Wiggle Subsequence | 36.4% | Medium | Unresolved |
| 377 | Combination Sum IV | 43.4% | Medium | Unresolved |
| 378 | Kth Smallest Element in a Sorted Matrix | 46.7% | Medium | Unresolved |
| 380 | Insert Delete GetRandom O(1) | 40.9% | Medium | Unresolved |
| 381 | Insert Delete GetRandom O(1) - Duplicates allowed | 30.4% | Hard | Unresolved |
| 382 | Linked List Random Node | 48.1% | Medium | Unresolved |
| 383 | Ransom Note | 48.6% | Easy | Unresolved |
| 384 | Shuffle an Array | 48.4% | Medium | Unresolved |
| 385 | Mini Parser | 31.1% | Medium | Unresolved |
| 386 | Lexicographical Numbers | 43.6% | Medium | Unresolved |
| 387 | First Unique Character in a String | 47.8% | Easy | Unresolved |
| 388 | Longest Absolute File Path | 38.1% | Medium | Unresolved |
| 389 | Find the Difference | 52.0% | Easy | Unresolved |
| 390 | Elimination Game | 43.0% | Medium | Unresolved |
| 391 | Perfect Rectangle | 27.5% | Hard | Unresolved |
| 392 | Is Subsequence | 45.3% | Medium | Unresolved |
| 393 | UTF-8 Validation | 34.9% | Medium | Unresolved |
| 394 | Decode String | 42.6% | Medium | Unresolved |
| 395 | Longest Substring with At Least K Repeating Characters | 36.8% | Medium | Unresolved |
| 396 | Rotate Function | 34.4% | Medium | Unresolved |
| 397 | Integer Replacement | 30.7% | Medium | Unresolved |
| 398 | Random Pick Index | 47.1% | Medium | Unresolved |
| 399 | Evaluate Division | 44.3% | Medium | Unresolved |
| 400 | Nth Digit | 29.9% | Easy | Unresolved |
| 401 | Binary Watch | 44.8% | Easy | Unresolved |
| 402 | Remove K Digits | 25.5% | Medium | Unresolved |
| 403 | Frog Jump | 34.0% | Hard | Unresolved |
| 404 | Sum of Left Leaves | 48.1% | Easy | Unresolved |
| 405 | Convert a Number to Hexadecimal | 41.2% | Easy | Unresolved |
| 406 | Queue Reconstruction by Height | 57.4% | Medium | Unresolved |
| 407 | Trapping Rain Water II | 38.1% | Hard | Unresolved |
| 409 | Longest Palindrome | 46.6% | Easy | Unresolved |
| 410 | Split Array Largest Sum | 40.4% | Hard | Unresolved |
| 412 | Fizz Buzz | 58.0% | Easy | Unresolved |
| 413 | Arithmetic Slices | 54.5% | Medium | Unresolved |
| 414 | Third Maximum Number | 28.2% | Easy | Unresolved |
| 415 | Add Strings | 42.3% | Easy | Unresolved |
| 416 | Partition Equal Subset Sum | 38.9% | Medium | Unresolved |
| 417 | Pacific Atlantic Water Flow | 35.6% | Medium | Unresolved |
| 419 | Battleships in a Board | 64.3% | Medium | Unresolved |
| 420 | Strong Password Checker | 18.5% | Hard | Unresolved |
| 421 | Maximum XOR of Two Numbers in an Array | 49.5% | Medium | Unresolved |
| 423 | Reconstruct Original Digits from English | 44.9% | Medium | Unresolved |
| 424 | Longest Repeating Character Replacement | 42.9% | Medium | Unresolved |
| 432 | All O`one Data Structure | 28.4% | Hard | Unresolved |
| 433 | Minimum Genetic Mutation | 36.2% | Medium | Unresolved |
| 434 | Number of Segments in a String | 36.4% | Easy | Unresolved |
| 435 | Non-overlapping Intervals | 41.0% | Medium | Unresolved |
| 436 | Find Right Interval | 41.8% | Medium | Unresolved |
| 437 | Path Sum III | 40.7% | Easy | Unresolved |
| 438 | Find All Anagrams in a String | 34.9% | Easy | Unresolved |
| 440 | K-th Smallest in Lexicographical Order | 25.8% | Hard | Unresolved |
| 441 | Arranging Coins | 36.7% | Easy | Unresolved |
| 442 | Find All Duplicates in an Array | 58.5% | Medium | Unresolved |
| 443 | String Compression | 35.8% | Easy | Unresolved |
| 445 | Add Two Numbers II | 47.8% | Medium | Unresolved |
| 446 | Arithmetic Slices II - Subsequence | 28.6% | Hard | Unresolved |
| 447 | Number of Boomerangs | 48.1% | Easy | Unresolved |
| 448 | Find All Numbers Disappeared in an Array | 51.6% | Easy | Unresolved |
| 449 | Serialize and Deserialize BST | 44.1% | Medium | Unresolved |
| 450 | Delete Node in a BST | 38.1% | Medium | Unresolved |
| 451 | Sort Characters By Frequency | 53.4% | Medium | Unresolved |
| 452 | Minimum Number of Arrows to Burst Balloons | 44.9% | Medium | Unresolved |
| 453 | Minimum Moves to Equal Array Elements | 48.5% | Easy | Unresolved |
| 454 | 4Sum II | 48.6% | Medium | Unresolved |
| 455 | Assign Cookies | 47.5% | Easy | Unresolved |
| 456 | 132 Pattern | 27.3% | Medium | Unresolved |
| 457 | Circular Array Loop | 25.4% | Medium | Unresolved |
| 458 | Poor Pigs | 43.8% | Easy | Unresolved |
| 459 | Repeated Substring Pattern | 38.8% | Easy | Unresolved |
| 460 | LFU Cache | 26.7% | Hard | Unresolved |
| 461 | Hamming Distance | 69.5% | Easy | Unresolved |
| 462 | Minimum Moves to Equal Array Elements II | 52.0% | Medium | Unresolved |
| 463 | Island Perimeter | 59.0% | Easy | Unresolved |
| 464 | Can I Win | 26.2% | Medium | Unresolved |
| 466 | Count The Repetitions | 27.1% | Hard | Unresolved |
| 467 | Unique Substrings in Wraparound String | 33.2% | Medium | Unresolved |
| 468 | Validate IP Address | 20.5% | Medium | Unresolved |
| 472 | Concatenated Words | 32.2% | Hard | Unresolved |
| 473 | Matchsticks to Square | 35.2% | Medium | Unresolved |
| 474 | Ones and Zeroes | 38.8% | Medium | Unresolved |
| 475 | Heaters | 30.1% | Easy | Unresolved |
| 476 | Number Complement | 61.5% | Easy | Unresolved |
| 477 | Total Hamming Distance | 47.9% | Medium | Unresolved |
| 479 | Largest Palindrome Product | 26.2% | Easy | Unresolved |
| 480 | Sliding Window Median | 30.7% | Hard | Unresolved |
| 481 | Magical String | 45.5% | Medium | Unresolved |
| 482 | License Key Formatting | 39.1% | Easy | Unresolved |
| 483 | Smallest Good Base | 33.7% | Hard | Unresolved |
| 485 | Max Consecutive Ones | 53.8% | Easy | Unresolved |
| 486 | Predict the Winner | 46.0% | Medium | Unresolved |
| 488 | Zuma Game | 36.5% | Hard | Unresolved |
| 491 | Increasing Subsequences | 40.3% | Medium | Unresolved |
| 492 | Construct the Rectangle | 48.0% | Easy | Unresolved |
| 493 | Reverse Pairs | 21.4% | Hard | Unresolved |
| 494 | Target Sum | 44.2% | Medium | Unresolved |
| 495 | Teemo Attacking | 51.4% | Medium | Unresolved |
| 496 | Next Greater Element I | 57.4% | Easy | Unresolved |
| 498 | Diagonal Traverse | 44.1% | Medium | Unresolved |
| 500 | Keyboard Row | 60.8% | Easy | Unresolved |
| 501 | Find Mode in Binary Search Tree | 38.1% | Easy | Unresolved |
| 502 | IPO | 36.6% | Hard | Unresolved |
| 503 | Next Greater Element II | 48.7% | Medium | Unresolved |
| 504 | Base 7 | 44.0% | Easy | Unresolved |
| 506 | Relative Ranks | 47.3% | Easy | Unresolved |
| 507 | Perfect Number | 32.6% | Easy | Unresolved |
| 508 | Most Frequent Subtree Sum | 52.9% | Medium | Unresolved |
| 513 | Find Bottom Left Tree Value | 57.1% | Medium | Unresolved |
| 514 | Freedom Trail | 39.7% | Hard | Unresolved |
| 515 | Find Largest Value in Each Tree Row | 56.4% | Medium | Unresolved |
| 516 | Longest Palindromic Subsequence | 44.0% | Medium | Unresolved |
| 517 | Super Washing Machines | 36.4% | Hard | Unresolved |
| 518 | Coin Change 2 | 39.0% | Medium | Unresolved |
| 520 | Detect Capital | 51.9% | Easy | Unresolved |
| 521 | Longest Uncommon Subsequence I | 55.8% | Easy | Unresolved |
| 522 | Longest Uncommon Subsequence II | 32.4% | Medium | Unresolved |
| 523 | Continuous Subarray Sum | 23.7% | Medium | Unresolved |
| 524 | Longest Word in Dictionary through Deleting | 43.9% | Medium | Unresolved |
| 525 | Contiguous Array | 42.1% | Medium | Unresolved |
| 526 | Beautiful Arrangement | 52.9% | Medium | Unresolved |
| 529 | Minesweeper | 50.4% | Medium | Unresolved |
| 530 | Minimum Absolute Difference in BST | 48.7% | Easy | Unresolved |
| 532 | K-diff Pairs in an Array | 28.6% | Easy | Unresolved |
| 535 | Encode and Decode TinyURL | 74.6% | Medium | Unresolved |
| 537 | Complex Number Multiplication | 64.3% | Medium | Unresolved |
| 538 | Convert BST to Greater Tree | 48.9% | Easy | Unresolved |
| 539 | Minimum Time Difference | 46.6% | Medium | Unresolved |
| 540 | Single Element in a Sorted Array | 56.2% | Medium | Unresolved |
| 541 | Reverse String II | 44.4% | Easy | Unresolved |
| 542 | 01 Matrix | 33.7% | Medium | Unresolved |
| 543 | Diameter of Binary Tree | 45.3% | Easy | Unresolved |
| 546 | Remove Boxes | 36.7% | Hard | Unresolved |
| 547 | Friend Circles | 50.8% | Medium | Unresolved |
| 551 | Student Attendance Record I | 45.0% | Easy | Unresolved |
| 552 | Student Attendance Record II | 31.6% | Hard | Unresolved |
| 553 | Optimal Division | 55.0% | Medium | Unresolved |
| 554 | Brick Wall | 46.9% | Medium | Unresolved |
| 556 | Next Greater Element III | 29.1% | Medium | Unresolved |
| 557 | Reverse Words in a String III | 61.9% | Easy | Unresolved |
| 560 | Subarray Sum Equals K | 40.4% | Medium | Unresolved |
| 561 | Array Partition I | 67.3% | Easy | Unresolved |
| 563 | Binary Tree Tilt | 46.4% | Easy | Unresolved |
| 564 | Find the Closest Palindrome | 17.3% | Hard | Unresolved |
| 565 | Array Nesting | 50.3% | Medium | Unresolved |
| 566 | Reshape the Matrix | 57.9% | Easy | Unresolved |
| 567 | Permutation in String | 36.7% | Medium | Unresolved |
| 572 | Subtree of Another Tree | 40.5% | Easy | Unresolved |
| 575 | Distribute Candies | 58.5% | Easy | Unresolved |
| 576 | Out of Boundary Paths | 30.8% | Medium | Unresolved |
| 581 | Shortest Unsorted Continuous Subarray | 29.3% | Easy | Unresolved |
| 583 | Delete Operation for Two Strings | 44.8% | Medium | Unresolved |
| 587 | Erect the Fence | 33.6% | Hard | Unresolved |
| 591 | Tag Validator | 31.4% | Hard | Unresolved |
| 592 | Fraction Addition and Subtraction | 46.1% | Medium | Unresolved |
| 593 | Valid Square | 39.9% | Medium | Unresolved |
| 594 | Longest Harmonious Subsequence | 41.8% | Easy | Unresolved |
| 598 | Range Addition II | 48.0% | Easy | Unresolved |
| 599 | Minimum Index Sum of Two Lists | 46.6% | Easy | Unresolved |
| 600 | Non-negative Integers without Consecutive Ones | 31.9% | Hard | Unresolved |
| 605 | Can Place Flowers | 30.2% | Easy | Unresolved |
| 606 | Construct String from Binary Tree | 50.5% | Easy | Unresolved |
| 609 | Find Duplicate File in System | 53.2% | Medium | Unresolved |
| 611 | Valid Triangle Number | 43.2% | Medium | Unresolved |
| 617 | Merge Two Binary Trees | 67.8% | Easy | Unresolved |
| 621 | Task Scheduler | 42.9% | Medium | Unresolved |
| 623 | Add One Row to Tree | 46.6% | Medium | Unresolved |
| 628 | Maximum Product of Three Numbers | 44.9% | Easy | Unresolved |
| 629 | K Inverse Pairs Array | 28.0% | Hard | Unresolved |
| 630 | Course Schedule III | 30.0% | Hard | Unresolved |
| 632 | Smallest Range | 44.2% | Hard | Unresolved |
| 633 | Sum of Square Numbers | 32.4% | Easy | Unresolved |
| 636 | Exclusive Time of Functions | 46.3% | Medium | Unresolved |
| 637 | Average of Levels in Binary Tree | 56.9% | Easy | Unresolved |
| 638 | Shopping Offers | 46.5% | Medium | Unresolved |
| 639 | Decode Ways II | 24.1% | Hard | Unresolved |
| 640 | Solve the Equation | 38.9% | Medium | Unresolved |
| 643 | Maximum Average Subarray I | 38.1% | Easy | Unresolved |
| 645 | Set Mismatch | 40.0% | Easy | Unresolved |
| 646 | Maximum Length of Pair Chain | 47.3% | Medium | Unresolved |
| 647 | Palindromic Substrings | 54.6% | Medium | Unresolved |
| 648 | Replace Words | 49.5% | Medium | Unresolved |
| 649 | Dota2 Senate | 36.7% | Medium | Unresolved |
| 650 | 2 Keys Keyboard | 45.9% | Medium | Unresolved |
| 652 | Find Duplicate Subtrees | 41.2% | Medium | Unresolved |
| 653 | Two Sum IV - Input is a BST | 51.0% | Easy | Unresolved |
| 654 | Maximum Binary Tree | 71.4% | Medium | Unresolved |
| 655 | Print Binary Tree | 49.3% | Medium | Unresolved |
| 657 | Robot Return to Origin | 69.4% | Easy | Unresolved |
| 658 | Find K Closest Elements | 35.4% | Medium | Unresolved |
| 659 | Split Array into Consecutive Subsequences | 37.9% | Medium | Unresolved |
| 661 | Image Smoother | 47.1% | Easy | Unresolved |
| 662 | Maximum Width of Binary Tree | 39.0% | Medium | Unresolved |
| 664 | Strange Printer | 35.3% | Hard | Unresolved |
| 665 | Non-decreasing Array | 19.7% | Easy | Unresolved |
| 667 | Beautiful Arrangement II | 50.9% | Medium | Unresolved |
| 668 | Kth Smallest Number in Multiplication Table | 39.6% | Hard | Unresolved |
| 669 | Trim a Binary Search Tree | 58.8% | Easy | Unresolved |
| 670 | Maximum Swap | 38.9% | Medium | Unresolved |
| 671 | Second Minimum Node In a Binary Tree | 42.6% | Easy | Unresolved |
| 672 | Bulb Switcher II | 49.3% | Medium | Unresolved |
| 673 | Number of Longest Increasing Subsequence | 32.3% | Medium | Unresolved |
| 674 | Longest Continuous Increasing Subsequence | 43.1% | Easy | Unresolved |
| 675 | Cut Off Trees for Golf Event | 27.7% | Hard | Unresolved |
| 676 | Implement Magic Dictionary | 49.7% | Medium | Unresolved |
| 677 | Map Sum Pairs | 50.6% | Medium | Unresolved |
| 678 | Valid Parenthesis String | 30.5% | Medium | Unresolved |
| 679 | 24 Game | 39.9% | Hard | Unresolved |
| 680 | Valid Palindrome II | 32.9% | Easy | Unresolved |
| 682 | Baseball Game | 59.0% | Easy | Unresolved |
| 684 | Redundant Connection | 47.6% | Medium | Unresolved |
| 685 | Redundant Connection II | 28.8% | Hard | Unresolved |
| 686 | Repeated String Match | 31.3% | Easy | Unresolved |
| 687 | Longest Univalue Path | 32.7% | Easy | Unresolved |
| 688 | Knight Probability in Chessboard | 41.1% | Medium | Unresolved |
| 689 | Maximum Sum of 3 Non-Overlapping Subarrays | 42.5% | Hard | Unresolved |
| 690 | Employee Importance | 52.0% | Easy | Unresolved |
| 691 | Stickers to Spell Word | 36.6% | Hard | Unresolved |
| 692 | Top K Frequent Words | 43.1% | Medium | Unresolved |
| 693 | Binary Number with Alternating Bits | 56.7% | Easy | Unresolved |
| 695 | Max Area of Island | 53.8% | Medium | Unresolved |
| 696 | Count Binary Substrings | 51.5% | Easy | Unresolved |
| 697 | Degree of an Array | 47.7% | Easy | Unresolved |
| 698 | Partition to K Equal Sum Subsets | 39.4% | Medium | Unresolved |
| 699 | Falling Squares | 38.4% | Hard | Unresolved |
| 712 | Minimum ASCII Delete Sum for Two Strings | 52.3% | Medium | Unresolved |
| 713 | Subarray Product Less Than K | 34.4% | Medium | Unresolved |
| 714 | Best Time to Buy and Sell Stock with Transaction Fee | 48.1% | Medium | Unresolved |
| 715 | Range Module | 32.1% | Hard | Unresolved |
| 717 | 1-bit and 2-bit Characters | 48.5% | Easy | Unresolved |
| 718 | Maximum Length of Repeated Subarray | 43.0% | Medium | Unresolved |
| 719 | Find K-th Smallest Pair Distance | 28.1% | Hard | Unresolved |
| 720 | Longest Word in Dictionary | 42.3% | Easy | Unresolved |
| 721 | Accounts Merge | 36.6% | Medium | Unresolved |
| 722 | Remove Comments | 29.2% | Medium | Unresolved |
| 724 | Find Pivot Index | 39.5% | Easy | Unresolved |
| 725 | Split Linked List in Parts | 47.6% | Medium | Unresolved |
| 726 | Number of Atoms | 43.6% | Hard | Unresolved |
| 728 | Self Dividing Numbers | 67.3% | Easy | Unresolved |
| 729 | My Calendar I | 44.7% | Medium | Unresolved |
| 730 | Count Different Palindromic Subsequences | 37.2% | Hard | Unresolved |
| 731 | My Calendar II | 40.4% | Medium | Unresolved |
| 732 | My Calendar III | 51.0% | Hard | Unresolved |
| 733 | Flood Fill | 48.3% | Easy | Unresolved |
| 735 | Asteroid Collision | 37.1% | Medium | Unresolved |
| 736 | Parse Lisp Expression | 41.1% | Hard | Unresolved |
| 738 | Monotone Increasing Digits | 41.1% | Medium | Unresolved |
| 739 | Daily Temperatures | 56.4% | Medium | Unresolved |
| 740 | Delete and Earn | 44.3% | Medium | Unresolved |
| 741 | Cherry Pickup | 25.6% | Hard | Unresolved |
| 709 | To Lower Case | 74.5% | Easy | Unresolved |
| 743 | Network Delay Time | 37.7% | Easy | Unresolved |
| 744 | Find Smallest Letter Greater Than Target | 42.9% | Easy | Unresolved |
| 745 | Prefix and Suffix Search | 27.9% | Hard | Unresolved |
| 746 | Min Cost Climbing Stairs | 44.4% | Easy | Unresolved |
| 747 | Largest Number At Least Twice of Others | 39.9% | Easy | Unresolved |
| 748 | Shortest Completing Word | 52.7% | Easy | Unresolved |
| 749 | Contain Virus | 40.7% | Hard | Unresolved |
| 752 | Open the Lock | 42.3% | Medium | Unresolved |
| 753 | Cracking the Safe | 42.9% | Hard | Unresolved |
| 754 | Reach a Number | 29.6% | Easy | Unresolved |
| 756 | Pyramid Transition Matrix | 48.1% | Medium | Unresolved |
| 757 | Set Intersection Size At Least Two | 35.0% | Hard | Unresolved |
| 761 | Special Binary String | 46.5% | Hard | Unresolved |
| 429 | N-ary Tree Level Order Traversal | 55.7% | Easy | Unresolved |
| 430 | Flatten a Multilevel Doubly Linked List | 36.1% | Medium | Unresolved |
| 762 | Prime Number of Set Bits in Binary Representation | 56.3% | Easy | Unresolved |
| 763 | Partition Labels | 66.0% | Medium | Unresolved |
| 764 | Largest Plus Sign | 41.5% | Medium | Unresolved |
| 765 | Couples Holding Hands | 49.0% | Hard | Unresolved |
| 427 | Construct Quad Tree | 48.9% | Easy | Unresolved |
| 558 | Quad Tree Intersection | 36.3% | Easy | Unresolved |
| 559 | Maximum Depth of N-ary Tree | 62.2% | Easy | Unresolved |
| 589 | N-ary Tree Preorder Traversal | 63.0% | Easy | Unresolved |
| 590 | N-ary Tree Postorder Traversal | 62.9% | Easy | Unresolved |
| 766 | Toeplitz Matrix | 59.7% | Easy | Unresolved |
| 767 | Reorganize String | 39.5% | Medium | Unresolved |
| 768 | Max Chunks To Make Sorted II | 44.0% | Hard | Unresolved |
| 769 | Max Chunks To Make Sorted | 49.4% | Medium | Unresolved |
| 770 | Basic Calculator IV | 41.7% | Hard | Unresolved |
| 771 | Jewels and Stones | 81.7% | Easy | Unresolved |
| 700 | Search in a Binary Search Tree | 62.6% | Easy | Unresolved |
| 701 | Insert into a Binary Search Tree | 67.8% | Medium | Unresolved |
| 773 | Sliding Puzzle | 47.8% | Hard | Unresolved |
| 703 | Kth Largest Element in a Stream | 39.4% | Easy | Unresolved |
| 775 | Global and Local Inversions | 36.1% | Medium | Unresolved |
| 704 | Binary Search | 39.9% | Easy | Unresolved |
| 777 | Swap Adjacent in LR String | 30.1% | Medium | Unresolved |
| 778 | Swim in Rising Water | 45.0% | Hard | Unresolved |
| 779 | K-th Symbol in Grammar | 37.4% | Medium | Unresolved |
| 780 | Reaching Points | 25.3% | Hard | Unresolved |
| 781 | Rabbits in Forest | 49.7% | Medium | Unresolved |
| 782 | Transform to Chessboard | 38.0% | Hard | Unresolved |
| 783 | Minimum Distance Between BST Nodes | 48.6% | Easy | Unresolved |
| 784 | Letter Case Permutation | 53.6% | Easy | Unresolved |
| 785 | Is Graph Bipartite? | 40.3% | Medium | Unresolved |
| 786 | K-th Smallest Prime Fraction | 35.7% | Hard | Unresolved |
| 787 | Cheapest Flights Within K Stops | 31.4% | Medium | Unresolved |
| 788 | Rotated Digits | 51.2% | Easy | Unresolved |
| 789 | Escape The Ghosts | 53.4% | Medium | Unresolved |
| 790 | Domino and Tromino Tiling | 34.0% | Medium | Unresolved |
| 791 | Custom Sort String | 59.6% | Medium | Unresolved |
| 792 | Number of Matching Subsequences | 39.1% | Medium | Unresolved |
| 793 | Preimage Size of Factorial Zeroes Function | 39.5% | Hard | Unresolved |
| 794 | Valid Tic-Tac-Toe State | 28.0% | Medium | Unresolved |
| 795 | Number of Subarrays with Bounded Maximum | 41.4% | Medium | Unresolved |
| 796 | Rotate String | 48.7% | Easy | Unresolved |
| 797 | All Paths From Source to Target | 67.6% | Medium | Unresolved |
| 798 | Smallest Rotation with Highest Score | 36.7% | Hard | Unresolved |
| 799 | Champagne Tower | 30.8% | Medium | Unresolved |
| 705 | Design HashSet | 43.4% | Easy | Unresolved |
| 706 | Design HashMap | 48.9% | Easy | Unresolved |
| 801 | Minimum Swaps To Make Sequences Increasing | 32.7% | Medium | Unresolved |
| 802 | Find Eventual Safe States | 41.3% | Medium | Unresolved |
| 803 | Bricks Falling When Hit | 24.8% | Hard | Unresolved |
| 804 | Unique Morse Code Words | 71.7% | Easy | Unresolved |
| 805 | Split Array With Same Average | 22.4% | Hard | Unresolved |
| 806 | Number of Lines To Write String | 61.8% | Easy | Unresolved |
| 807 | Max Increase to Keep City Skyline | 80.1% | Medium | Unresolved |
| 808 | Soup Servings | 34.5% | Medium | Unresolved |
| 809 | Expressive Words | 39.4% | Medium | Unresolved |
| 810 | Chalkboard XOR Game | 42.0% | Hard | Unresolved |
| 811 | Subdomain Visit Count | 61.6% | Easy | Unresolved |
| 812 | Largest Triangle Area | 53.8% | Easy | Unresolved |
| 813 | Largest Sum of Averages | 42.4% | Medium | Unresolved |
| 814 | Binary Tree Pruning | 68.3% | Medium | Unresolved |
| 815 | Bus Routes | 36.1% | Hard | Unresolved |
| 816 | Ambiguous Coordinates | 42.4% | Medium | Unresolved |
| 817 | Linked List Components | 51.9% | Medium | Unresolved |
| 818 | Race Car | 31.2% | Hard | Unresolved |
| 819 | Most Common Word | 41.6% | Easy | Unresolved |
| 707 | Design Linked List | 19.1% | Easy | Unresolved |
| 820 | Short Encoding of Words | 44.5% | Medium | Unresolved |
| 821 | Shortest Distance to a Character | 61.1% | Easy | Unresolved |
| 822 | Card Flipping Game | 38.6% | Medium | Unresolved |
| 823 | Binary Trees With Factors | 30.5% | Medium | Unresolved |
| 824 | Goat Latin | 55.2% | Easy | Unresolved |
| 825 | Friends Of Appropriate Ages | 33.1% | Medium | Unresolved |
| 826 | Most Profit Assigning Work | 33.2% | Medium | Unresolved |
| 827 | Making A Large Island | 40.5% | Hard | Unresolved |
| 828 | Unique Letter String | 36.7% | Hard | Unresolved |
| 829 | Consecutive Numbers Sum | 29.5% | Hard | Unresolved |
| 830 | Positions of Large Groups | 46.2% | Easy | Unresolved |
| 831 | Masking Personal Information | 41.6% | Medium | Unresolved |
| 641 | Design Circular Deque | 47.9% | Medium | Unresolved |
| 622 | Design Circular Queue | 36.7% | Medium | Unresolved |
| 832 | Flipping an Image | 69.1% | Easy | Unresolved |
| 833 | Find And Replace in String | 41.8% | Medium | Unresolved |
| 834 | Sum of Distances in Tree | 35.1% | Hard | Unresolved |
| 835 | Image Overlap | 47.4% | Medium | Unresolved |
| 836 | Rectangle Overlap | 44.4% | Easy | Unresolved |
| 837 | New 21 Game | 26.9% | Medium | Unresolved |
| 838 | Push Dominoes | 41.6% | Medium | Unresolved |
| 839 | Similar String Groups | 32.9% | Hard | Unresolved |
| 840 | Magic Squares In Grid | 34.7% | Easy | Unresolved |
| 841 | Keys and Rooms | 57.4% | Medium | Unresolved |
| 842 | Split Array into Fibonacci Sequence | 33.8% | Medium | Unresolved |
| 843 | Guess the Word | 39.2% | Hard | Unresolved |
| 844 | Backspace String Compare | 43.3% | Easy | Unresolved |
| 845 | Longest Mountain in Array | 32.2% | Medium | Unresolved |
| 846 | Hand of Straights | 46.0% | Medium | Unresolved |
| 847 | Shortest Path Visiting All Nodes | 43.7% | Hard | Unresolved |
| 848 | Shifting Letters | 37.0% | Medium | Unresolved |
| 849 | Maximize Distance to Closest Person | 38.5% | Easy | Unresolved |
| 850 | Rectangle Area II | 41.7% | Hard | Unresolved |
| 851 | Loud and Rich | 45.0% | Medium | Unresolved |
| 852 | Peak Index in a Mountain Array | 67.1% | Easy | Unresolved |
| 853 | Car Fleet | 35.2% | Medium | Unresolved |
| 854 | K-Similar Strings | 31.3% | Hard | Unresolved |
| 855 | Exam Room | 33.6% | Medium | Unresolved |
| 856 | Score of Parentheses | 53.5% | Medium | Unresolved |
| 857 | Minimum Cost to Hire K Workers | 44.6% | Hard | Unresolved |
| 858 | Mirror Reflection | 50.0% | Medium | Unresolved |
| 859 | Buddy Strings | 26.6% | Easy | Unresolved |
| 860 | Lemonade Change | 49.3% | Easy | Unresolved |
| 861 | Score After Flipping Matrix | 67.1% | Medium | Unresolved |
| 862 | Shortest Subarray with Sum at Least K | 19.7% | Hard | Unresolved |
| 863 | All Nodes Distance K in Binary Tree | 43.1% | Medium | Unresolved |
| 710 | Random Pick with Blacklist | 29.8% | Hard | Unresolved |
| 864 | Shortest Path to Get All Keys | 33.3% | Hard | Unresolved |
| 865 | Smallest Subtree with all the Deepest Nodes | 52.8% | Medium | Unresolved |
| 866 | Prime Palindrome | 18.3% | Medium | Unresolved |
| 867 | Transpose Matrix | 63.3% | Easy | Unresolved |
| 868 | Binary Gap | 58.8% | Easy | Unresolved |
| 869 | Reordered Power of 2 | 48.0% | Medium | Unresolved |
| 870 | Advantage Shuffle | 40.0% | Medium | Unresolved |
| 871 | Minimum Number of Refueling Stops | 26.6% | Hard | Unresolved |
| 470 | Implement Rand10() Using Rand7() | 42.9% | Medium | Unresolved |
| 872 | Leaf-Similar Trees | 60.5% | Easy | Unresolved |
| 873 | Length of Longest Fibonacci Subsequence | 42.4% | Medium | Unresolved |
| 874 | Walking Robot Simulation | 28.4% | Easy | Unresolved |
| 875 | Koko Eating Bananas | 42.6% | Medium | Unresolved |
| 876 | Middle of the Linked List | 62.7% | Easy | Unresolved |
| 877 | Stone Game | 58.1% | Medium | Unresolved |
| 878 | Nth Magical Number | 23.5% | Hard | Unresolved |
| 879 | Profitable Schemes | 33.8% | Hard | Unresolved |
| 528 | Random Pick with Weight | 41.7% | Medium | Unresolved |
| 519 | Random Flip Matrix | 32.3% | Medium | Unresolved |
| 497 | Random Point in Non-overlapping Rectangles | 33.2% | Medium | Unresolved |
| 478 | Generate Random Point in a Circle | 33.8% | Medium | Unresolved |
| 880 | Decoded String at Index | 22.4% | Medium | Unresolved |
| 881 | Boats to Save People | 39.8% | Medium | Unresolved |
| 882 | Reachable Nodes In Subdivided Graph | 34.5% | Hard | Unresolved |
| 883 | Projection Area of 3D Shapes | 64.6% | Easy | Unresolved |
| 884 | Uncommon Words from Two Sentences | 59.8% | Easy | Unresolved |
| 885 | Spiral Matrix III | 62.8% | Medium | Unresolved |
| 886 | Possible Bipartition | 38.7% | Medium | Unresolved |
| 887 | Super Egg Drop | 23.3% | Hard | Unresolved |
| 888 | Fair Candy Swap | 53.6% | Easy | Unresolved |
| 889 | Construct Binary Tree from Preorder and Postorder Traversal | 55.4% | Medium | Unresolved |
| 890 | Find and Replace Pattern | 68.8% | Medium | Unresolved |
| 891 | Sum of Subsequence Widths | 25.6% | Hard | Unresolved |
| 892 | Surface Area of 3D Shapes | 54.7% | Easy | Unresolved |
| 893 | Groups of Special-Equivalent Strings | 60.5% | Easy | Unresolved |
| 894 | All Possible Full Binary Trees | 65.9% | Medium | Unresolved |
| 895 | Maximum Frequency Stack | 48.2% | Hard | Unresolved |
| 896 | Monotonic Array | 54.6% | Easy | Unresolved |
| 897 | Increasing Order Search Tree | 57.8% | Easy | Unresolved |
| 898 | Bitwise ORs of Subarrays | 31.5% | Medium | Unresolved |
| 899 | Orderly Queue | 43.0% | Hard | Unresolved |
| 900 | RLE Iterator | 43.8% | Medium | Unresolved |
| 901 | Online Stock Span | 43.7% | Medium | Unresolved |
| 902 | Numbers At Most N Given Digit Set | 26.1% | Hard | Unresolved |
| 903 | Valid Permutations for DI Sequence | 39.6% | Hard | Unresolved |
| 904 | Fruit Into Baskets | 39.1% | Medium | Unresolved |
| 905 | Sort Array By Parity | 70.8% | Easy | Unresolved |
| 906 | Super Palindromes | 29.1% | Hard | Unresolved |
| 907 | Sum of Subarray Minimums | 21.6% | Medium | Unresolved |
| 908 | Smallest Range I | 63.4% | Easy | Unresolved |
| 909 | Snakes and Ladders | 26.1% | Medium | Unresolved |
| 910 | Smallest Range II | 19.6% | Medium | Unresolved |
| 911 | Online Election | 43.0% | Medium | Unresolved |
| 913 | Cat and Mouse | 23.0% | Hard | Unresolved |
| 914 | X of a Kind in a Deck of Cards | 33.0% | Easy | Unresolved |
| 915 | Partition Array into Disjoint Intervals | 40.0% | Medium | Unresolved |
| 916 | Word Subsets | 43.1% | Medium | Unresolved |
| 917 | Reverse Only Letters | 56.2% | Easy | Unresolved |
| 918 | Maximum Sum Circular Subarray | 26.2% | Medium | Unresolved |
| 919 | Complete Binary Tree Inserter | 53.5% | Medium | Unresolved |
| 920 | Number of Music Playlists | 40.4% | Hard | Unresolved |
| 921 | Minimum Add to Make Parentheses Valid | 69.8% | Medium | Unresolved |
| 922 | Sort Array By Parity II | 66.6% | Easy | Unresolved |
| 923 | 3Sum With Multiplicity | 28.3% | Medium | Unresolved |
| 924 | Minimize Malware Spread | 35.5% | Hard | Unresolved |
| 925 | Long Pressed Name | 44.4% | Easy | Unresolved |
| 926 | Flip String to Monotone Increasing | 43.3% | Medium | Unresolved |
| 927 | Three Equal Parts | 26.8% | Hard | Unresolved |
| 928 | Minimize Malware Spread II | 36.9% | Hard | Unresolved |
| 929 | Unique Email Addresses | 79.7% | Easy | Unresolved |
| 930 | Binary Subarrays With Sum | 33.5% | Medium | Unresolved |
| 931 | Minimum Falling Path Sum | 55.4% | Medium | Unresolved |
| 932 | Beautiful Array | 45.1% | Medium | Unresolved |
| 933 | Number of Recent Calls | 63.0% | Easy | Unresolved |
| 934 | Shortest Bridge | 42.1% | Medium | Unresolved |
| 935 | Knight Dialer | 33.6% | Medium | Unresolved |
| 936 | Stamping The Sequence | 26.7% | Hard | Unresolved |