Practice LeetCode Uncertain the Update
| # | Title | Solution | Difficulty |
|---|---|---|---|
| 1170 | Compare Strings by Frequency of the Smallest Character | Javascript、C#、Python |
Easy |
| 1030 | Matrix Cells in Distance Order | Javascript、C#、Python |
Easy |
| 1029 | Two City Scheduling | Javascript、C#、Python |
Easy |
| 1028 | Recover a Tree From Preorder Traversal | Javascript、C#、Python |
Hard |
| 1024 | Video Stitching | Javascript、C#、Python |
Medium |
| 993 | Cousins in Binary Tree | Javascript、C#、Python |
Easy |
| 991 | Broken Calculator | Javascript、C#、Python |
Medium |
| 990 | Satisfiability of Equality Equations | Javascript、C#、Python |
Medium |
| 989 | Add to Array-Form of Integer | Javascript、C#、Python |
Easy |
| 988 | Smallest String Starting From Leaf | Javascript、C#、Python |
Medium |
| 987 | Vertical Order Traversal of a Binary Tree | Javascript、C#、Python |
Medium |
| 986 | Interval List Intersections | Javascript、C#、Python |
Medium |
| 985 | Sum of Even Numbers After Queries | Javascript、C#、Python |
Easy |
| 984 | String Without AAA or BBB | Javascript、C#、Python |
Easy |
| 983 | Minimum Cost For Tickets | Javascript、C#、Python |
Medium |
| 981 | Time Based Key-Value Store | Javascript、C#、Python |
Medium |
| 980 | Unique Paths III | Javascript、C#、Python |
Hard |
| 979 | Distribute Coins in Binary Tree | Javascript、C#、Python |
Medium |
| 978 | Longest Turbulent Subarray | Javascript、C#、Python |
Medium |
| 977 | Squares of a Sorted Array | Javascript、C#、Python |
Easy |
| 976 | Largest Perimeter Triangle | Javascript、C#、Python |
Easy |
| 971 | Flip Binary Tree To Match Preorder Traversal | Javascript、C#、Python |
Medium |
| 969 | Pancake Sorting | Javascript、C#、Python |
Medium |
| 958 | Check Completeness of a Binary Tree | Javascript、C#、Python |
Medium |
| 951 | Flip Equivalent Binary Trees | Javascript、C#、Python |
Medium |
| 950 | Reveal Cards In Increasing Order | Javascript、C#、Python |
Medium |
| 941 | Valid Mountain Array | Javascript、C#、Python |
Easy |
| 931 | Minimum Falling Path Sum | Javascript、C#、Python |
Medium |
| 922 | Sort Array By Parity II | Javascript、C#、Python |
Easy |
| 914 | X of a Kind in a Deck of Cards | Javascript、C#、Python |
Easy |
| 905 | Sort Array By Parity | Javascript、C#、Python |
Easy |
| 859 | Buddy Strings | Javascript、C#、Python |
Easy |
| 858 | Mirror Reflection | Javascript、C#、Python |
Medium |
| 852 | Peak Index in a Mountain Array | Javascript、C#、Python |
Easy |
| 849 | Maximize Distance to Closest Person | Javascript、C#、Python |
Easy |
| 844 | Backspace String Compare | Javascript、C#、Python |
Easy |
| 837 | Most Common Word | Javascript、C#、Python |
Easy |
| 830 | Positions of Large Groups | Javascript、C#、Python |
Easy |
| 804 | Unique Morse Code Words | Javascript、C#、Python |
Easy |
| 771 | Jewels and Stones | Javascript、C#、Python |
Easy |
| 747 | Largest Number At Least Twice of Others | Javascript、C#、Python |
Easy |
| 746 | Min Cost Climbing Stairs | Javascript、C#、Python |
Easy |
| 721 | Accounts Merge | Javascript、C#、Python |
Medium |
| 717 | 1-bit and 2-bit Characters | Javascript、C#、Python |
Easy |
| 714 | Best Time to Buy and Sell Stock with Transaction Fee | Javascript、C#、Python |
Medium |
| 712 | Minimum ASCII Delete Sum for Two Strings | Javascript、C#、Python |
Medium |
| 695 | Max Area of Island | Javascript、C#、Python |
Medium |
| 687 | Longest Univalue Path | Javascript、C#、Python |
Easy |
| 684 | Redundant Connection | Javascript、C#、Python |
Medium |
| 674 | Longest Continuous Increasing Subsequence | Javascript、C#、Python |
Easy |
| 671 | Second Minimum Node In a Binary Tree | Javascript、C#、Python |
Easy |
| 665 | Non-decreasing Array | Javascript、C#、Python |
Easy |
| 662 | Maximum Width of Binary Tree | Javascript、C#、Python |
Medium |
| 661 | Image Smoother | Javascript、C#、Python |
Easy |
| 655 | Print Binary Tree | Javascript、C#、Python |
Medium |
| 652 | Find Duplicate Subtrees | Javascript、C#、Python |
Medium |
| 647 | Palindromic Substrings | Javascript、C#、Python |
Medium |
| 643 | Maximum Average Subarray I | Javascript、C#、Python |
Easy |
| 628 | Maximum Product of Three Numbers | Javascript、C#、Python |
Easy |
| 623 | Add One Row to Tree | Javascript、C#、Python |
Medium |
| 581 | Shortest Unsorted Continuous Subarray | Javascript、C#、Python |
Easy |
| 572 | Subtree of Another Tree | Javascript、C#、Python |
Easy |
| 563 | Binary Tree Tilt | Javascript、C#、Python |
Easy |
| 547 | Friend Circles | Javascript、C#、Python |
Medium |
| 543 | Diameter of Binary Tree | Javascript、C#、Python |
Easy |
| 538 | Convert BST to Greater Tree | Javascript、C#、Python |
Easy |
| 532 | K-diff Pairs in an Array | Javascript、C#、Python |
Easy |
| 520 | Detect Capital | Javascript、C#、Python |
Easy |
| 518 | Coin Change 2 | Javascript、C#、Python |
Medium |
| 509 | Fibonacci Number | Javascript、C#、Python |
Easy |
| 477 | Total Hamming Distance | Javascript、C#、Python |
Medium |
| 463 | Island Perimeter | Javascript、C#、Python |
Easy |
| 450 | DeleteNodeInABST | Javascript、C#、Python |
Medium |
| 449 | Serialize and Deserialize BST | Javascript、C#、Python |
Medium |
| 437 | Path Sum III | Javascript、C#、Python |
Medium |
| 418 | SentenceScreenFitting ♥ | Javascript、C#、Python |
Easy |
| 416 | Partition Equal Subset Sum | Javascript、C#、Python |
Medium |
| 415 | Add Strings | Javascript、C#、Python |
Easy |
| 414 | Third Maximum Number | Javascript、C#、Python |
Easy |
| 413 | Arithmetic Slices | Javascript、C#、Python |
Medium |
| 412 | Fizz Buzz | Javascript、C#、Python |
Easy |
| 410 | Split Array Largest Sum | Javascript、C#、Python |
Hard |
| 409 | Longest Palindrome | Javascript、C#、Python |
Easy |
| 406 | Queue Reconstruction by Height | Javascript、C#、Python |
Medium |
| 405 | Convert a Number to Hexadecimal | Javascript、C#、Python |
Easy |
| 404 | Sum of Left Leaves | Javascript、C#、Python |
Easy |
| 403 | Frog Jump | Javascript、C#、Python |
Hard |
| 402 | Remove K Digits | Javascript、C#、Python |
Medium |
| 401 | Binary Watch | Javascript、C#、Python |
Easy |
| 400 | Nth Digit | Javascript、C#、Python |
Easy |
| 399 | Evaluate Division | Javascript、C#、Python |
Medium |
| 398 | Random Pick Index | Javascript、C#、Python |
Medium |
| 397 | Integer Replacement | Javascript、C#、Python |
Medium |
| 396 | Rotate Function | Javascript、C#、Python |
Easy |
| 395 | Longest Substring with At Least K Repeating Characters | Javascript、C#、Python |
Medium |
| 394 | Decode String | Javascript、C#、Python |
Medium |
| 393 | UTF-8 Validation | Javascript、C#、Python |
Medium |
| 392 | Is Subsequence | Javascript、C#、Python |
Medium |
| 391 | Perfect Rectangle | Javascript、C#、Python |
Hard |
| 390 | Elimination Game | Javascript、C#、Python |
Medium |
| 389 | Find the Difference | Javascript、C#、Python |
Easy |
| 388 | Longest Absolute File Path | Javascript、C#、Python |
Medium |
| 387 | First Unique Character in a String | Javascript、C#、Python |
Easy |
| 386 | Lexicographical Numbers | Javascript、C#、Python |
Medium |
| 385 | Mini Parser | Javascript、C#、Python |
Medium |
| 384 | Shuffle an Array | Javascript、C#、Python |
Medium |
| 383 | Ransom Note | Javascript、C#、Python |
Easy |
| 382 | Linked List Random Node | Javascript、C#、Python |
Medium |
| 381 | Insert Delete GetRandom O(1) - Duplicates allowed | Javascript、C#、Python |
Hard |
| 380 | Insert Delete GetRandom O(1) | Javascript、C#、Python |
Hard |
| 377 | Combination Sum IV | Javascript、C#、Python |
Medium |
| 376 | Wiggle Subsequence | Javascript、C#、Python |
Medium |
| 371 | Sum of Two Integers | Javascript、C#、Python |
Easy |
| 367 | Valid Perfect Square | Javascript、C#、Python |
Easy |
| 357 | Count Numbers with Unique Digits | Javascript、C#、Python |
Medium |
| 350 | Intersection of Two Arrays II | Javascript、C#、Python |
Easy |
| 349 | Intersection of Two Arrays | Javascript、C#、Python |
Easy |
| 347 | Top K Frequent Elements | Javascript、C#、Python |
Medium |
| 345 | Reverse Vowels of a String | Javascript、C#、Python |
Easy |
| 344 | Reverse String | Javascript、C#、Python |
Easy |
| 343 | Integer Break | Javascript、C#、Python |
Medium |
| 342 | Power of Four | Javascript、C#、Python |
Easy |
| 341 | Flatten Nested List Iterator | Javascript、C#、Python |
Medium |
| 338 | Counting Bits | Javascript、C#、Python |
Medium |
| 337 | House Robber III | Javascript、C#、Python |
Medium |
| 336 | Palindrome Pairs | Javascript、C#、Python |
Hard |
| 334 | Increasing Triplet Subsequence | Javascript、C#、Python |
Medium |
| 332 | Reconstruct Itinerary | Javascript、C#、Python |
Medium |
| 331 | Verify Preorder Serialization of a Binary Tree | Javascript、C#、Python |
Medium |
| 330 | Patching Array | Javascript、C#、Python |
Medium |
| 329 | Longest Increasing Path in a Matrix | Javascript、C#、Python |
Medium |
| 328 | Odd Even Linked List | Javascript、C#、Python |
Easy |
| 327 | Count of Range Sum | Javascript、C#、Python |
Hard |
| 326 | Power of Three | Javascript、C#、Python |
Easy |
| 324 | Wiggle Sort II | Javascript、C#、Python |
Medium |
| 322 | Coin Change | Javascript、C#、Python |
Medium |
| 321 | Create Maximum Number | Javascript、C#、Python |
Hard |
| 319 | Bulb Switcher | Javascript、C#、Python |
Medium |
| 318 | Maximum Product of Word Lengths | Javascript、C#、Python |
Medium |
| 316 | Remove Duplicate Letters | Javascript、C#、Python |
Hard |
| 315 | Count of Smaller Numbers After Self | Javascript、C#、Python |
Hard |
| 313 | Super Ugly Number | Javascript、C#、Python |
Medium |
| 312 | Burst Balloons | Javascript、C#、Python |
Hard |
| 310 | Minimum Height Trees | Javascript、C#、Python |
Medium |
| 309 | Best Time to Buy and Sell Stock with Cooldown | Javascript、C#、Python |
Medium |
| 307 | Range Sum Query - Mutable | Javascript、C#、Python |
Medium |
| 306 | Additive Number | Javascript、C#、Python |
Medium |
| 304 | Range Sum Query 2D - Immutable | Javascript、C#、Python |
Medium |
| 303 | Range Sum Query - Immutable | Javascript、C#、Python |
Easy |
| 301 | Remove Invalid Parentheses | Javascript、C#、Python |
Hard |
| 300 | Longest Increasing Subsequence | Javascript、C#、Python |
Medium |
| 299 | Bulls and Cows | Javascript、C#、Python |
Easy |
| 297 | Serialize and Deserialize Binary Tree | Javascript、C#、Python |
Medium |
| 295 | Find Median from Data Stream | Javascript、C#、Python |
Hard |
| 292 | Nim Game | Javascript、C#、Python |
Easy |
| 290 | Word Pattern | Javascript、C#、Python |
Easy |
| 289 | Game of Life | Javascript、C#、Python |
Medium |
| 287 | Find the Duplicate Number | Javascript、C#、Python |
Hard |
| 285 | Inorder Successor in BST ♥ | Javascript、C#、Python |
Medium |
| 284 | Peeking Iterator | Javascript、C#、Python |
Medium |
| 283 | Move Zeroes | Javascript、C#、Python |
Easy |
| 282 | Expression Add Operators | Javascript、C#、Python |
Hard |
| 279 | Perfect Squares | Javascript、C#、Python |
Medium |
| 278 | First Bad Version | Javascript、C#、Python |
Easy |
| 275 | H-Index II | Javascript、C#、Python |
Medium |
| 274 | H-Index | Javascript、C#、Python |
Medium |
| 273 | Integer to English Words | Javascript、C#、Python |
Medium |
| 268 | Missing Number | Javascript、C#、Python |
Medium |
| 264 | Ugly Number II | Javascript、C#、Python |
Medium |
| 263 | Ugly Number | Javascript、C#、Python |
Easy |
| 260 | Single Number III | Javascript、C#、Python |
Medium |
| 258 | Add Digits | Javascript、C#、Python |
Easy |
| 257 | Binary Tree Paths | Javascript、C#、Python |
Easy |
| 242 | Valid Anagram | Javascript、C#、Python |
Easy |
| 241 | Different Ways to Add Parentheses | Javascript、C#、Python |
Medium |
| 240 | Search a 2D Matrix II | Javascript、C#、Python |
Medium |
| 239 | Sliding Window Maximum | Javascript、C#、Python |
Hard |
| 238 | Product of Array Except Self | Javascript、C#、Python |
Medium |
| 237 | Delete Node in a Linked List | Javascript、C#、Python |
Easy |
| 236 | Lowest Common Ancestor of a Binary Tree | Javascript、C#、Python |
Medium |
| 235 | Lowest Common Ancestor of a Binary Search Tree | Javascript、C#、Python |
Easy |
| 234 | Palindrome Linked List | Javascript、C#、Python |
Easy |
| 233 | Number of Digit One | Javascript、C#、Python |
Medium |
| 232 | Implement Queue using Stacks | Javascript、C#、Python |
Easy |
| 231 | Power of Two | Javascript、C#、Python |
Easy |
| 230 | Kth Smallest Element in a BST | Javascript、C#、Python |
Medium |
| 229 | Majority Element II | Javascript、C#、Python |
Medium |
| 228 | Summary Ranges | Javascript、C#、Python |
Easy |
| 227 | Basic Calculator II | Javascript、C#、Python |
Medium |
| 226 | Invert Binary Tree | Javascript、C#、Python |
Easy |
| 225 | Implement Stack using Queues | Javascript、C#、Python |
Medium |
| 224 | Basic Calculator | Javascript、C#、Python |
Medium |
| 223 | Rectangle Area | Javascript、C#、Python |
Easy |
| 222 | Count Complete Tree Nodes | Javascript、C#、Python |
Medium |
| 221 | Maximal Square | Javascript、C#、Python |
Medium |
| 220 | Contains Duplicate III | Javascript、C#、Python |
Medium |
| 219 | Contains Duplicate II | Javascript、C#、Python |
Easy |
| 218 | The Skyline Problem | Javascript、C#、Python |
Hard |
| 217 | Contains Duplicate | Javascript、C#、Python |
Easy |
| 216 | Combination Sum III | Javascript、C#、Python |
Medium |
| 215 | Kth Largest Element in an Array | Javascript、C#、Python |
Medium |
| 214 | Shortest Palindrome | Javascript、C#、Python |
Hard |
| 213 | House Robber II | Javascript、C#、Python |
Medium |
| 212 | Word Search II | Javascript、C#、Python |
Hard |
| 211 | Add and Search Word - Data structure design | Javascript、C#、Python |
Medium |
| 210 | Course Schedule II | Javascript、C#、Python |
Medium |
| 209 | Minimum Size Subarray Sum | Javascript、C#、Python |
Medium |
| 208 | Implement Trie (Prefix Tree) | Javascript、C#、Python |
Medium |
| 207 | Course Schedule | Javascript、C#、Python |
Medium |
| 206 | Reverse Linked List | Javascript、C#、Python |
Easy |
| 205 | Isomorphic Strings | Javascript、C#、Python |
Easy |
| 204 | Count Primes | Javascript、C#、Python |
Easy |
| 203 | Remove Linked List Elements | Javascript、C#、Python |
Easy |
| 202 | Happy Number | Javascript、C#、Python |
Easy |
| 201 | Bitwise AND of Numbers Range | Javascript、C#、Python |
Medium |
| 200 | Number of Islands | Javascript、C#、Python |
Medium |
| 199 | Binary Tree Right Side View | Javascript、C#、Python |
Medium |
| 198 | House Robber | Javascript、C#、Python |
Easy |
| 191 | Number of 1 Bits | Javascript、C#、Python |
Easy |
| 190 | Reverse Bits | Javascript、C#、Python |
Easy |
| 189 | Rotate Array | Javascript、C#、Python |
Easy |
| 188 | Best Time to Buy and Sell Stock IV | Javascript、C#、Python |
Hard |
| 187 | Repeated DNA Sequences | Javascript、C#、Python |
Medium |
| 186 | Reverse Words in a String II ♥ | Javascript、C#、Python |
Medium |
| 179 | Largest Number | Javascript、C#、Python |
Medium |
| 174 | Dungeon Game | Javascript、C#、Python |
Hard |
| 173 | Binary Search Tree Iterator | Javascript、C#、Python |
Medium |
| 172 | Factorial Trailing Zeroes | Javascript、C#、Python |
Easy |
| 171 | Excel Sheet Column Number | Javascript、C#、Python |
Easy |
| 170 | Two Sum III - Data structure design ♥ | Javascript、C#、Python |
Easy |
| 169 | Majority Element | Javascript、C#、Python |
Easy |
| 168 | Excel Sheet Column Title | Javascript、C#、Python |
Easy |
| 167 | Two Sum II - Input array is sorted ♥ | Javascript、C#、Python |
Medium |
| 166 | Fraction to Recurring Decimal | Javascript、C#、Python |
Medium |
| 165 | Compare Version Numbers | Javascript、C#、Python |
Easy |
| 164 | Maximum Gap | Javascript、C#、Python |
Hard |
| 163 | Missing Ranges ♥ | Javascript、C#、Python |
Medium |
| 162 | Find Peak Element | Javascript、C#、Python |
Medium |
| 161 | One Edit Distance♥ | Javascript、C#、Python |
Medium |
| 160 | Intersection of Two Linked Lists | Javascript、C#、Python |
Easy |
| 159 | Longest Substring with At Most Two Distinct Characters ♥ | Javascript、C#、Python |
Hard |
| 158 | Read N Characters Given Read4 II - Call multiple times ♥ | Javascript、C#、Python |
Hard |
| 157 | Read N Characters Given Read4 ♥ | Javascript、C#、Python |
Easy |
| 156 | Binary Tree Upside Down ♥ | Javascript、C#、Python |
Medium |
| 155 | Min Stack | Javascript、C#、Python |
Easy |
| 154 | Find Minimum in Rotated Sorted Array II | Javascript、C#、Python |
Hard |
| 153 | Find Minimum in Rotated Sorted Array | Javascript、C#、Python |
Medium |
| 152 | Maximum Product Subarray | Javascript、C#、Python |
Medium |
| 151 | Reverse Words in a String | Javascript、C#、Python |
Medium |
| 150 | Evaluate Reverse Polish Notation | Javascript、C#、Python |
Medium |
| 149 | Max Points on a Line | Javascript、C#、Python |
Hard |
| 148 | Sort List | Javascript、C#、Python |
Medium |
| 147 | Insertion Sort List | Javascript、C#、Python |
Medium |
| 146 | LRU Cache | Javascript、C#、Python |
Hard |
| 145 | Binary Tree Postorder Traversal | Javascript、C#、Python |
Hard |
| 144 | Binary Tree Preorder Traversal | Javascript、C#、Python |
Medium |
| 143 | Reorder List | Javascript、C#、Python |
Medium |
| 142 | Linked List Cycle II | Javascript、C#、Python |
Medium |
| 141 | Linked List Cycle | Javascript、C#、Python |
Medium |
| 140 | Word Break II | Javascript、C#、Python |
Hard |
| 139 | Word Break | Javascript、C#、Python |
Medium |
| 138 | Copy List with Random Pointer | Javascript、C#、Python |
Hard |
| 137 | Single Number II | Javascript、C#、Python |
Medium |
| 136 | Single Number | Javascript、C#、Python |
Medium |
| 135 | Candy | Javascript、C#、Python |
Hard |
| 134 | Gas Station | Javascript、C#、Python |
Medium |
| 133 | Clone Graph | Javascript、C#、Python |
Medium |
| 132 | Palindrome Partitioning II | Javascript、C#、Python |
Hard |
| 131 | Palindrome Partitioning | Javascript、C#、Python |
Medium |
| 130 | Surrounded Regions | Javascript、C#、Python |
Medium |
| 129 | Sum Root to Leaf Numbers | Javascript、C#、Python |
Medium |
| 128 | Longest Consecutive Sequence | Javascript、C#、Python |
Hard |
| 127 | Word Ladder | Javascript、C#、Python |
Medium |
| 126 | Word Ladder II | Javascript、C#、Python |
Hard |
| 125 | Valid Palindrome | Javascript、C#、Python |
Easy |
| 124 | Binary Tree Maximum Path Sum | Javascript、C#、Python |
Hard |
| 123 | Best Time to Buy and Sell Stock III | Javascript、C#、Python |
Hard |
| 122 | Best Time to Buy and Sell Stock II | Javascript、C#、Python |
Medium |
| 121 | Best Time to Buy and Sell Stock | Javascript、C#、Python |
Medium |
| 120 | Triangle | Javascript、C#、Python |
Medium |
| 119 | Pascal's Triangle II | Javascript、C#、Python |
Easy |
| 118 | Pascal's Triangle | Javascript、C#、Python |
Easy |
| 117 | Populating Next Right Pointers in Each Node II | Javascript、C#、Python |
Hard |
| 116 | Populating Next Right Pointers in Each Node | Javascript、C#、Python |
Medium |
| 115 | Distinct Subsequences | Javascript、C#、Python |
Hard |
| 114 | Flatten Binary Tree to Linked List | Javascript、C#、Python |
Medium |
| 113 | Path Sum II | Javascript、C#、Python |
Medium |
| 112 | Path Sum | Javascript、C#、Python |
Easy |
| 111 | Minimum Depth of Binary Tree | Javascript、C#、Python |
Easy |
| 110 | Balanced Binary Tree | Javascript、C#、Python |
Easy |
| 109 | Convert Sorted List to Binary Search Tree | Javascript、C#、Python |
Medium |
| 108 | Convert Sorted Array to Binary Search Tree | Javascript、C#、Python |
Medium |
| 107 | Binary Tree Level Order Traversal II | Javascript、C#、Python |
Easy |
| 106 | Construct Binary Tree from Inorder and Postorder Traversal | Javascript、C#、Python |
Medium |
| 105 | Construct Binary Tree from Preorder and Inorder Traversal | Javascript、C#、Python |
Medium |
| 104 | Maximum Depth of Binary Tree | Javascript、C#、Python |
Easy |
| 103 | Binary Tree Zigzag Level Order Traversal | Javascript、C#、Python |
Medium |
| 102 | Binary Tree Level Order Traversal | Javascript、C#、Python |
Easy |
| 101 | Symmetric Tree | Javascript、C#、Python |
Easy |
| 100 | Same Tree | Javascript、C#、Python |
Easy |
| 99 | Recover Binary Search Tree | Javascript、C#、Python |
Hard |
| 98 | Validate Binary Search Tree | Javascript、C#、Python |
Medium |
| 97 | Interleaving String | Javascript、C#、Python |
Hard |
| 96 | Unique Binary Search Trees | Javascript、C#、Python |
Medium |
| 95 | Unique Binary Search Trees II | Javascript、C#、Python |
Medium |
| 94 | Binary Tree Inorder Traversal | Javascript、C#、Python |
Medium |
| 93 | Restore IP Addresses | Javascript、C#、Python |
Medium |
| 92 | Reverse Linked List II | Javascript、C#、Python |
Medium |
| 91 | Decode Ways | Javascript、C#、Python |
Medium |
| 90 | Subsets II | Javascript、C#、Python |
Medium |
| 89 | Gray Code | Javascript、C#、Python |
Medium |
| 88 | Merge Sorted Array | Javascript、C#、Python |
Easy |
| 87 | Scramble String | Javascript、C#、Python |
Hard |
| 86 | Partition List | Javascript、C#、Python |
Medium |
| 85 | Maximal Rectangle | Javascript、C#、Python |
Hard |
| 84 | Largest Rectangle in Histogram | Javascript、C#、Python |
Hard |
| 83 | Remove Duplicates from Sorted List | Javascript、C#、Python |
Easy |
| 82 | Remove Duplicates from Sorted List II | Javascript、C#、Python |
Medium |
| 81 | Search in Rotated Sorted Array II | Javascript、C#、Python |
Medium |
| 80 | Remove Duplicates from Sorted Array II | Javascript、C#、Python |
Medium |
| 79 | Word Search | Javascript、C#、Python |
Medium |
| 78 | Subsets | Javascript、C#、Python |
Medium |
| 77 | Combinations | Javascript、C#、Python |
Medium |
| 76 | Minimum Window Substring | Javascript、C#、Python |
Hard |
| 75 | Sort Colors | Javascript、C#、Python |
Medium |
| 74 | Search a 2D Matrix | Javascript、C#、Python |
Medium |
| 73 | Set Matrix Zeroes | Javascript、C#、Python |
Medium |
| 72 | Edit Distance | Javascript、C#、Python |
Hard |
| 71 | Simplify Path | Javascript、C#、Python |
Medium |
| 70 | Climbing Stairs | Javascript、C#、Python |
Easy |
| 69 | Sqrt(x) | Javascript、C#、Python |
Medium |
| 68 | Text Justification | Javascript、C#、Python |
Hard |
| 67 | Add Binary | Javascript、C#、Python |
Easy |
| 66 | Plus One | Javascript、C#、Python |
Easy |
| 65 | Valid Number | Javascript、C#、Python |
Easy |
| 64 | Minimum Path Sum | Javascript、C#、Python |
Medium |
| 63 | Unique Paths II | Javascript、C#、Python |
Medium |
| 62 | Unique Paths | Javascript、C#、Python |
Medium |
| 61 | Rotate List | Javascript、C#、Python |
Medium |
| 60 | Permutation Sequence | Javascript、C#、Python |
Medium |
| 59 | Spiral Matrix II | Javascript、C#、Python |
Medium |
| 58 | Length of Last Word | Javascript、C#、Python |
Easy |
| 57 | Insert Interval | Javascript、C#、Python |
Hard |
| 56 | Merge Intervals | Javascript、C#、Python |
Hard |
| 55 | Jump Game | Javascript、C#、Python |
Medium |
| 54 | Spiral Matrix | Javascript、C#、Python |
Medium |
| 53 | Maximum Subarray | Javascript、C#、Python |
Medium |
| 52 | N-Queens II | Javascript、C#、Python |
Hard |
| 51 | N-Queens | Javascript、C#、Python |
Hard |
| 50 | "Pow(x, n)" | Javascript、C#、Python |
Medium |
| 49 | Group Anagrams | Javascript、C#、Python |
Medium |
| 48 | Rotate Image | Javascript、C#、Python |
Medium |
| 47 | Permutations II | Javascript、C#、Python |
Hard |
| 46 | Permutations | Javascript、C#、Python |
Medium |
| 45 | Jump Game II | Javascript、C#、Python |
Hard |
| 44 | Wildcard Matching | Javascript、C#、Python |
Hard |
| 43 | Multiply Strings | Javascript、C#、Python |
Medium |
| 42 | Trapping Rain Water | Javascript、C#、Python |
Hard |
| 41 | First Missing Positive | Javascript、C#、Python |
Hard |
| 40 | Combination Sum II | Javascript、C#、Python |
Medium |
| 39 | Combination Sum | Javascript、C#、Python |
Medium |
| 38 | Count and Say | Javascript、C#、Python |
Easy |
| 37 | Sudoku Solver | Javascript、C#、Python |
Hard |
| 36 | Valid Sudoku | Javascript、C#、Python |
Easy |
| 35 | Search Insert Position | Javascript、C#、Python |
Medium |
| 34 | Search for a Range | Javascript、C#、Python |
Medium |
| 33 | Search in Rotated Sorted Array | Javascript、C#、Python |
Hard |
| 32 | Longest Valid Parentheses | Javascript、C#、Python |
Hard |
| 31 | Next Permutation | Javascript、C#、Python |
Medium |
| 30 | Substring with Concatenation of All Words | Javascript、C#、Python |
Hard |
| 29 | Divide Two Integers | Javascript、C#、Python |
Medium |
| 28 | Implement strStr() | Javascript、C#、Python |
Easy |
| 27 | Remove Element | Javascript、C#、Python |
Easy |
| 26 | Remove Duplicates from Sorted Array | Javascript、C#、Python |
Easy |
| 25 | Reverse Nodes in k-Group | Javascript、C#、Python |
Hard |
| 24 | Swap Nodes in Pairs | Javascript、C#、Python |
Medium |
| 23 | Merge k Sorted Lists | Javascript、C#、Python |
Hard |
| 22 | Generate Parentheses | Javascript、C#、Python |
Medium |
| 21 | Merge Two Sorted Lists | Javascript、C#、Python |
Easy |
| 20 | Valid Parentheses | Javascript、C#、Python |
Easy |
| 19 | Remove Nth Node From End of List | Javascript、C#、Python |
Easy |
| 18 | 4Sum | Javascript、C#、Python |
Medium |
| 17 | Letter Combinations of a Phone Number | Javascript、C#、Python |
Medium |
| 16 | 3Sum Closest | Javascript、C#、Python |
Medium |
| 15 | 3Sum | Javascript、C#、Python |
Medium |
| 14 | Longest Common Prefix | Javascript、C#、Python |
Easy |
| 13 | Roman to Integer | Javascript、C#、Python |
Easy |
| 12 | Integer to Roman | Javascript、C#、Python |
Medium |
| 11 | Container With Most Water | Javascript、C#、Python |
Medium |
| 10 | Regular Expression Matching | Javascript、C#、Python |
Hard |
| 9 | Palindrome Number | Javascript、C#、Python |
Easy |
| 8 | String to Integer (atoi) | Javascript、C#、Python |
Easy |
| 7 | Reverse Integer | Javascript、C#、Python |
Easy |
| 6 | ZigZag Conversion | Javascript、C#、Python |
Easy |
| 5 | Longest Palindromic Substring | Javascript、C#、Python |
Medium |
| 4 | Median of Two Sorted Arrays | Javascript、C#、Python |
Hard |
| 3 | Longest Substring Without Repeating Characters | Javascript、C#、Python |
Medium |
| 2 | Add Two Numbers | Javascript、C#、Python |
Medium |
| 1 | Two Sum | Javascript、C#、Python |
Easy |