| ID | Title | Difficulty |
|---|---|---|
| 787 | Cheapest Flights Within K Stops | Medium |
| 1334 | Find the City With the Smallest Number of Neighbors at a Threshold Distance | Medium |
| 2642 | Design Graph With Shortest Path Calculator | Hard |
| 2976 | Minimum Cost to Convert String I | Medium |
| ID | Title | Difficulty |
|---|---|---|
| 787 | Cheapest Flights Within K Stops | Medium |
| 1334 | Find the City With the Smallest Number of Neighbors at a Threshold Distance | Medium |
| 2642 | Design Graph With Shortest Path Calculator | Hard |
| 2976 | Minimum Cost to Convert String I | Medium |