Union Find (16 completed)
| # | Title | Level | Cats | Solution | Languages | Date Complete |
|---|---|---|---|---|---|---|
| 128 | Longest Consecutive Sequence | Medium | B75, N150 | solution | java, py | Jun 13, 2024 |
| 200 | Number of Islands | Medium | B75, N150 | solution | py | Jun 17, 2024 |
| 261 | Graph Valid Tree | Medium | B75, N150, Weekly Premium | solution | py | Jan 29, 2025 |
| 684 | Redundant Connection | Medium | Daily, N150 | solution | py | Jan 29, 2025 |
| 695 | Max Area of Island | Medium | N150 | solution | c | Jun 24, 2024 |
| 827 | Making A Large Island | Hard | Daily | solution | py | Jan 31, 2025 |
| 959 | Regions Cut By Slashes | Medium | Daily | solution | py | Aug 10, 2024 |
| 1020 | Number of Enclaves | Medium | solution | py | Jun 26, 2024 | |
| 1101 | The Earliest Moment When Everyone Become Friends | Medium | Weekly Premium | solution | py | Jul 04, 2024 |
| 1254 | Number of Closed Islands | Medium | solution | py | Jun 26, 2024 | |
| 1267 | Count Servers that Communicate | Medium | Daily | solution | py | Jan 23, 2025 |
| 1579 | Remove Max Number of Edges to Keep Graph Fully Traversable | Hard | Daily | solution | py | Jun 30, 2024 |
| 1905 | Count Sub Islands | Medium | Daily | solution | py | Jun 24, 2024 |
| 2493 | Divide Nodes Into the Maximum Number of Groups | Hard | Daily | solution | py | Jan 30, 2025 |
| 2658 | Maximum Number of Fish in a Grid | Medium | Daily | solution | py | Jan 28, 2025 |
| 2852 | Sum of Remoteness of All Cells | Medium | Weekly Premium | solution | py | Jan 23, 2025 |