| # | Problem Title | Actions | Difficulty |
|---|---|---|---|
| 1 | City with the smallest number of neighbors at a threshold distance | Read ArticleSolve Problem | Easy |
| 2 | Critical Connections in a Network | Read ArticleSolve Problem | Medium |
| 3 | Minimum number of apples to guarantee M red apples | Read ArticleSolve Problem | Medium |
| 4 | Longest substring where all characters appear at least K times | Read ArticleSolve Problem | Medium |
| 5 | Geek's Garden Problem | Read ArticleSolve Problem | Medium |
| 6 | Matrix Prefix Sum | Read ArticleSolve Problem | Medium |