| ID | Title | Difficulty |
|---|---|---|
| 1489 | Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree | Hard |
| 1584 | Min Cost to Connect All Points | Medium |
| ID | Title | Difficulty |
|---|---|---|
| 1489 | Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree | Hard |
| 1584 | Min Cost to Connect All Points | Medium |