| 0797 | All Paths From Source to Target LeetCode XXXX Depth-First Search, Breadth-First Search, Graph, Backtracking | Medium | | |
| 0286 | Walls and Gates LeetCode XXXX Breadth-First Search, Array, Matrix | Medium | | |
| 0200 | Number of Islands LeetCode XXXX Depth-First Search, Breadth-First Search, Union Find, Array, Matrix | Medium | | |
| 0752 | Open the Lock LeetCode XXXX Breadth-First Search, Array, Hash Table, String | Medium | | |
| 0279 | Perfect Squares LeetCode XXXX Breadth-First Search, Math, Dynamic Programming | Medium | | |
| 0133 | Clone Graph LeetCode XXXX Depth-First Search, Breadth-First Search, Graph, Hash Table | Medium | | |
| 0733 | Flood Fill LeetCode XXXX Depth-First Search, Breadth-First Search, Array, Matrix | Easy | | |
| 0542 | 01 Matrix LeetCode XXXX Breadth-First Search, Array, Dynamic Programming, Matrix | Medium | | |
| 0322 | Coin Change LeetCode XXXX Breadth-First Search, Array, Dynamic Programming | Medium | | |
| 0323 | Number of Connected Components in an Undirected Graph LeetCode XXXX Depth-First Search, Breadth-First Search, Union Find, Graph | Medium | | |
| 0199 | Binary Tree Right Side View LeetCode XXXX Tree, Depth-First Search, Breadth-First Search, Binary Tree | Medium | | |
| 0662 | Maximum Width of Binary Tree LeetCode XXXX Tree, Depth-First Search, Breadth-First Search, Binary Tree | Medium | | |
| 0958 | Check Completeness of a Binary Tree LeetCode XXXX Tree, Breadth-First Search, Binary Tree | Medium | | |
| 0572 | Subtree of Another Tree | | Tree, Depth-First Search, Binary Tree, String Matching, Hash Function | Easy |
| 0100 | Same Tree LeetCode XXXX Tree, Depth-First Search, Breadth-First Search, Binary Tree | Easy | | |
| 0111 | Minimum Depth of Binary Tree LeetCode XXXX Tree, Depth-First Search, Breadth-First Search, Binary Tree | Easy | | |