Grind 75 is a better version of Blind 75 which goes beyond 75 questions.
| PROBLEM | TOPIC | SOLUTION |
|---|---|---|
| Two Sum | Array | Solution |
| Valid Parentheses | String, Stack | Solution |
| Merge Two Sorted Lists | Linked List, Recursion | Solution |
| Invert Binary Tree | Tree, DFS, BFS, Binary Tree | Solution |
| Best Time to Buy and Sell Stock | Array, DP | Solution |
| Binary Search | Array, Binary Search | Solution |
| Flood Fill | Array, BFS, DFS, Matrix | Solution |
| PROBLEM | TOPIC | SOLUTION |
|---|---|---|
| Majority Element | Array, Sorting, Hash Table | Solution |
| Climbing Stairs | Maths, DP | Solution |
| Add Binary | Maths, Strings, Bit Manipulation | Solution |
| Longest Palindrome | Hash Table, Strings, Greedy | Solution |