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.
| # | Title | Solution | Difficulty |
|---|---|---|---|
| 409 | Longest Palindrome | Easy | |
| 28 | Implement strStr() | Easy | |
| 125 | Valid Palindrome | Easy |
| # | Title | Solution | Difficulty |
|---|---|---|---|
| 1970 | Rotate String II | Easy | |
| 594 | strStr II | Hard | |
| # | Title | Solution | Difficulty | Companies |
|---|---|---|---|---|
| 200 | Number of Islands | Medium | ||
| 102 | Binary Tree Level Order Traversal | Medium | ||
| 127 | Word Ladder | Medium | Amazon|32 Facebook|11 Google|11 | |
| 207 | Course Schedule | Medium | ||
| 210 | Course Schedule II | Medium | ||
| 133 | Clone Graph | Medium | ||
| 297 | Serialize and Deserialize Binary Tree | Hard | ||
| # | Title | Solution | Difficultty | Companies |
|---|---|---|---|---|
| 658 | Find K Closest Elements | Medium | Facebook|13 | |
| 33 | Search in Rotated Sorted Array | Medium | Facebook|25 Amazon|18 | |
| 50 | Pow(x, n) | Medium | ||
| 4 | Median of Two Sorted Arrays | Hard | Amazon|13 | |
| 29 | Divide Two Integers | Medium | Facebook|23 | |
| 315 | Count of Smaller Numbers After Self | Hard | Google|9 | |
| 287 | Find the Duplicate Number | Medium | Amazon|7 Google|6 | |
| 167 | Two Sum II - Input array is sorted | Easy | Amazon|5 | |
| # | Title | Solution | Difficultty | Companies |
|---|---|---|---|---|
| 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 |