No | Title | Source Code | Difficulty | Distribution | Runtime |
---|---|---|---|---|---|
001 | Two Sum | JavaScript | Easy | 54.90%,51.13% | 136ms,176ms |
006 | ZigZag Conversion | JavaScript | Easy | 95.33%,12.15% | 176ms,244ms |
007 | Reverse Integer | JavaScript | Easy | 4.96% | 208ms |
008 | String to Integer (atoi) | JavaScript | Easy | 56.25%,14.01% | 180ms,202ms |
009 | Palindrome Number | JavaScript | Easy | 50.00% | 756ms |
012 | Integer to Roman | JavaScript | Medium | 63.37%,42.57% | 332ms,364ms |
013 | Roman to Integer | JavaScript | Easy | 34.07% | 364ms |
014 | Longest Common Prefix | JavaScript | Easy | 55.79% | 108ms |
019 | Remove Nth Node From End of List | JavaScript | Easy | 16.49% | 148ms |
020 | Valid Parentheses | JavaScript | Easy | 71.83% | 96ms |
021 | Merge Two Sorted Lists | JavaScript | Easy | 53.02% | 144ms |
024 | Swap Nodes in Pairs | JavaScript | Easy | 51.89% | 104ms |
026 | Remove Duplicates from Sorted Array | JavaScript | Easy | 6.25% | 232ms |
027 | Remove Element | JavaScript | Easy | 28.05% | 120ms |
028 | Implement strStr() | JavaScript | Easy | 52.94% | 104ms |
036 | Valid Sudoku | JavaScript | Easy | 58.11% | 172ms |
038 | Count and Say | JavaScript | Easy | 60.27% | 96ms |
058 | Length of Last Word | JavaScript | Easy | 77.08% | 92ms |
066 | Plus One | JavaScript | Easy | 29.03% | 120ms |
067 | Add Binary | JavaScript | Easy | 75.79% | 128ms |
070 | Climbing Stairs | JavaScript | Easy | 52.82% | 96ms |
083 | Remove Duplicates from Sorted List | JavaScript | Easy | 86.03% | 136ms |
088 | Merge Sorted Array | JavaScript | Easy | 86.67% | 100ms |
094 | Binary Tree Inorder Traversal | JavaScript | Medium | 89.04%,47.95% | 100ms,112ms |
096 | Unique Binary Search Trees | JavaScript | Medium | 38.18% | 96ms |
100 | Same Tree | JavaScript | Easy | 35.38% | 108ms |
101 | Symmetric Tree | JavaScript | Easy | 47.13%,16.09% | 132ms,144ms |
102 | Binary Tree Level Order Traversal | JavaScript | Easy | 50.51% | 120ms |
104 | Maximum Depth of Binary Tree | JavaScript | Easy | 53.75% | 116ms |
107 | Binary Tree Level Order Traversal II | JavaScript | Easy | 59.55% | 116ms |
110 | Balanced Binary Tree | JavaScript | Easy | 55.34% | 152ms |
111 | Minimum Depth of Binary Tree | JavaScript | Easy | 11.36% | 144ms |
112 | Path Sum | JavaScript | Easy | 1.71% | 164ms |
118 | Pascal's Triangle | JavaScript | Easy | 38.46% | 104ms |
119 | 119. Pascal's Triangle II | JavaScript | Easy | 2.94% | 124ms |
121 | Best Time to Buy and Sell Stock | JavaScript | Easy | 14.19% | 140ms |
122 | Best Time to Buy and Sell Stock II | JavaScript | Medium | 26.67%,11.67% | 132ms,148ms |
125 | Valid Palindrome | JavaScript | Easy | 57.02% | 156ms |
136 | Single Number | JavaScript | Medium | 63.74%,41.52% | 104ms,116ms |
137 | Single Number II | JavaScript | Medium | 31.91%,29.79% | 116ms,120ms |
141 | Linked List Cycle | JavaScript | Easy | 16.67% | 124ms |
144 | Binary Tree Preorder Traversal | JavaScript | Medium | 82.14%,47.62% | 108ms,119ms |
145 | Binary Tree Postorder Traversal | JavaScript | Hard | 33.33%,23.53% | 116ms,124ms |
155 | Min Stack | Java | Easy | 56.20% | 122ms |
160 | Intersection of Two Linked Lists | JavaScript | Easy | 58.33% | 152ms |
165 | Compare Version Numbers | JavaScript | Easy | 52.11% | 104ms |
168 | Excel Sheet Column Title | JavaScript | Easy | 69.53%,22.58% | 88ms,100ms |
169 | Majority Element | JavaScript | Easy | 43.80% | 114ms |
171 | Excel Sheet Column Number | JavaScript | Easy | 29.50% | 180ms |
172 | Factorial Trailing Zeroes | JavaScript | Easy | 96.83% | 128ms |
189 | Rotate Array | JavaScript | Easy | 26.51% | 224ms |
190 | Reverse Bits | JavaScript | Easy | 29.55% | 164ms |
191 | Number of 1 Bits | JavaScript | Easy | 11.89% | 172ms |
198 | House Robber | JavaScript | Easy | 71.79% | 96ms |
202 | Happy Number | JavaScript | Easy | 37.31% | 148ms |
203 | Remove Linked List Elements | JavaScript | Easy | 60.94% | 156ms |
204 | Count Primes | JavaScript | Easy | 63.89% | 376ms |
205 | Isomorphic Strings | JavaScript | Easy | 40.26% | 119ms |
206 | Reverse Linked List | JavaScript | Easy | 84.62%,18.75% | 104ms,124ms |
217 | Contains Duplicate | JavaScript | Easy | 54.95% | 120ms |
219 | Contains Duplicate II | JavaScript | Easy | 12.71% | 1232ms |
223 | Rectangle Area | JavaScript | Easy | 23.40% | 336ms |
225 | Implement Stack using Queues | JavaScript | Easy | 13.95% | 104ms |
226 | Invert Binary Tree | JavaScript | Easy | 52.68% | 112ms |
230 | Kth Smallest Element in a BST | JavaScript | Medium | 7.69%,5.77% | 176ms,192ms |
231 | Power of Two | JavaScript | Easy | 11.98%,11.98% | 192ms,192ms |
232 | Implement Queue using Stacks | JavaScript | Easy | 46.77% | 96ms |
234 | Palindrome Linked List | JavaScript | Easy | 62.69% | 112ms |
235 | Lowest Common Ancestor of a Binary Search Tree | JavaScript | Easy | 62.63% | 160ms |
237 | Delete Node in a Linked List | JavaScript | Easy | 65.34% | 132ms |
238 | Product of Array Except Self | JavaScript | Medium | 55.84% | 200ms |
242 | Valid Anagram | JavaScript | Easy | 23.58% | 159ms |
257 | Binary Tree Paths | JavaScript | Easy | 67.90% | 132ms |
258 | Add Digits | JavaScript | Easy | 37.87% | 184ms |
260 | Single Number III | JavaScript | Medium | 69.23%,34.07% | 116ms,152ms |
263 | Ugly Number | JavaScript | Easy | 79.82%,16.67% | 160ms,180ms |
268 | Missing Number | JavaScript | Medium | 55.26%,23.68% | 125ms,140ms |
278 | First Bad Version | JavaScript | Easy | 83.15% | 88ms |
283 | Move Zeroes | JavaScript | Easy | 87.50% | 116ms |
290 | Word Pattern | JavaScript | Easy | 55.75% | 97ms |
292 | Nim Game | JavaScript | Easy | 36.94% | 100ms |
299 | Bulls and Cows | JavaScript | Easy | 67.53%,2.60% | 152ms,304ms |
303 | Range Sum Query - Immutable | JavaScript | Easy | 91.57% | 116ms |
309 | Best Time to Buy and Sell Stock with Cooldown | JavaScript | Medium | 20.00% | 144ms |
318 | Maximum Product of Word Lengths | JavaScript | Medium | 39.13% | 276ms |
319 | Bulb Switcher | JavaScript | Medium | 23.91% | 105ms |
326 | Power of Three | JavaScript | Easy | 26.01%,23.77% | 1252ms,1260ms |
328 | Odd Even Linked List | JavaScript | Medium | 18.75% | 162ms |
338 | Counting Bits | JavaScript | Medium | 86.11%,61.81% | 284ms,300ms |
342 | Power of Four | JavaScript | Easy | 2.65% | 212ms |
343 | Integer Break | JavaScript | Medium | 22.92% | 108ms |
344 | Reverse String | JavaScript | Easy | 54.36% | 156ms |
345 | Reverse Vowels of a String | JavaScript | Easy | 92.56% | 152ms |
347 | Top K Frequent Elements | JavaScript | Medium | 44.96% | 168ms |
349 | Intersection of Two Arrays | JavaScript | Easy | 81.63% | 112ms |
350 | Intersection of Two Arrays II | JavaScript | Easy | 24.86% | 136ms |
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