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By Difficulty
Problem of the Day:
Integer Square Root
— keep your streak alive!
Practice Problems — bfs
| # | Problem | Topics | Difficulty |
|---|---|---|---|
| 247 | Height of the Tree | bfs trees | 1200 |
| 234 | Fewest Hops | bfs graphs | 1300 |
| 242 | Count the Lakes | bfs graphs | 1400 |
| 243 | The Largest Lake | bfs graphs | 1400 |
| 244 | Escape the Maze | bfs graphs | 1400 |
| 236 | Two Teams | bfs graphs | 1500 |
| 246 | Knight's Journey | bfs graphs | 1500 |
| 245 | The Rot Spreads | bfs graphs | 1600 |
| 249 | Diameter of a Tree | bfs trees | 1600 |
| 241 | How Many Shortest Routes | bfs graphs | 1700 |
| 535 | Free and Paid Roads | bfs graphs | 1800 |
| 739 | The Shortest Loop | bfs graphs | 2000 |
| 547 | Keys and Doors | bfs graphs bitmask | 2100 |
| 688 | Rainwater on a Terrain | bfs heap | 2200 |