| # | Time Complexity | Space Complexity | Description | Submission | Runtime (4 trials) | Memory (4 trials) |
|---|---|---|---|---|---|---|
| 1 | O(n) | O(1) | Travel the linked list and drop node if it is a duplicate. | Submission | 47.25 ms | 16.4 MB |
| 2 | O(n) | O(1) | Fast/slow pointers | Submission | 47.75 ms | 16.4 MB |