Here are leetcode-lintcode problem solutions. Here is a repo for you can play it and share your solution. Hope you enjoy it and contribute it.
Look here is a ladder for you. You can play it in leetcode.
Please read and follow the steps in CONTRIBUTING.md.
| # | Title | Solution | Difficulty |
|---|---|---|---|
| 3 | Longest Substring Without Repeating Characters | Medium | |
| 5 | Longest Palindromic Substring | Medium | |
| 125 | Valid Palindrome | Easy | |
| 14 | Longest Common Prefix | Easy | |
| 8 | String to Integer (atoi) | Medium |
| # | Title | Solution | Difficulty |
|---|---|---|---|
| 344 | Reverse String | Easy | |
| 13 | Roman to Integer | Easy | |
| 10 | Regular Expression Matching | Hard |
| # | Title | Solution | Difficulty |
|---|---|---|---|
| 200 | Number of Islands | Medium | |
| 102 | Binary Tree Level Order Traversal | Medium | |
| 127 | Word Ladder | Medium | |
| 207 | Course Schedule | Medium | |
| 210 | Course Schedule II | Medium | |
| 133 | Clone Graph | Medium | |
| 297 | Serialize and Deserialize Binary Tree | Hard |
| # | Title | Solution | Difficultty |
|---|---|---|---|
| 658 | Find K Closest Elements | Medium | |
| 33 | Search in Rotated Sorted Array | Medium | |
| 50 | Pow(x, n) | Medium | |
| 4 | Median of Two Sorted Arrays | Hard | |
| 29 | Divide Two Integers | Medium | |
| 315 | Count of Smaller Numbers After Self | Hard | |
| 287 | Find the Duplicate Number | Medium | |
| 167 | Two Sum II - Input array is sorted | Easy | |
| 658 | Find K Closest Elements | Medium |
| # | Title | Solution | Difficulty |
|---|---|---|---|
| 74 | Search a 2D Matrix | Easy | |
| 35 | Search Insert Position | Easy | |
| 278 | First Bad Version | Easy | |
| 222 | Count Complete Tree Nodes | Medium | |
| 69 | Sqrt(x) | Easy | |
| 1111 | Maximum Nesting Depth of Two Valid Parentheses Strings | Medium | |
| 300 | Longest Increasing Subsequence | Medium | |
| 327 | Count of Range Sum | Hard | |
| 363 | Max Sum of Rectangle No Larger Than K | Hard |
| # | Title | Solution | Difficultty |
|---|---|---|---|
| 104 | Maximum Depth of Binary Tree | Easy | |
| 226 | Invert Binary Tree | Easy | |
| 617 | Merge Two Binary Trees | Easy | |
| 96 | Unique Binary Search Trees | Medium | |
| 173 | Binary Search Tree Iterator | Medium | |
| 169 | Majority Element | Easy | |
| 297 | Serialize and Deserialize Binary Tree | Hard | |
| 53 | Maximum Subarray | Easy | |
| 215 | Kth Largest Element in an Array | Medium |
Please see LICENSE.