These are problems and the concepts I used to solve them for use in teaching competitive programming
| Name | Link | Topics |
| Union Find | https://open.kattis.com/problems/unionfind | Union Find |
| Torn 2 Pieces | https://open.kattis.com/problems/torn2pieces | Graph Search (DFS or BFS) |
| CodForces | https://open.kattis.com/problems/kodkraft | Binary Search |