Sorting the solutions bu Company.
| No. | Title | Difficulty | Tag |
|---|---|---|---|
| 053 | 3Sum | Medium | Pointers |
| 184 | Largest Number | Medium | String |
| 696 | Course ScheduleIII | Hard | Greedy |
| No. | Title | Difficulty | Tag |
|---|---|---|---|
| 056 | Two Sum | Easy | Pointers |
| 082 | Single Number | Easy | Bit Manipulation |
| 104 | Merge K Sorted Lists | Medium | Linked List + PriorityQueue |
| 132 | Word Search II | Hard | Backtracking(DFS) |
| 154 | Regular Expression Matching | Hard | Dynamic Programming |
| 167 | Add Two Numbers | Easy | Linked List |
| 363 | Trapping Rain Water | Medium | Dynamic Programming, Two pointers |
| 380 | Intersection of Two Linked Lists | Medium | Linked List |
| 392 | House Robber | Medium | Dynamic Programming |
| 423 | Valid Parentheses | Easy | Stack |
| 436 | Maximal Square | Medium | Dynamic Programming |
| 488 | Happy Number | Easy | Math+HashSet |
| 577 | Merge K Sorted Interval Lists | Medium | PriorityQueue |
| 601 | Flatten 2D Vector | Medium | Array |
| 605 | Sequence Reconstruction | Medium | Array |
| 655 | Add Strings | Easy | String |
| 775 | Palindrome Pairs | Hard | String+HashMap |
| 851 | Pour Water | Medium | Simulation |
| 892 | Alien Dictionary | Hard | Topological Sort |
| 951 | Rearrange | Easy | Array |
| 952 | Digital Problem | Easy | Math |
| 953 | The Biggest Score On The Tree | Medium | Graph+DFS |
| No. | Title | Difficulty | Tag |
|---|---|---|---|
| 155 | Minimum Depth of Binary Tree | Easy | Tree Traversal |
| 433 | Number Of Islands | Easy | DFS or Union Find |
| 480 | Binary Tree Paths | Easy | Backtracking |
| 662 | Guess Number Higher or Lower | Easy | Binary Search |
| 1314 | Power of Two | Easy | Bit Manipulation |
| 1368 | Same Number | Easy | Bit Manipulation |