| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 1516 | P1516 旅行計劃 (trip) | 1 / 1 | 2 | |
| 1517 | P1517 高樓 (buildings) | 1 / 1 | 10 | |
| 1518 | P1518 回文字串 (string) | 0 / 1 | 10 | |
| 1519 | P1519 淘汰賽 (knockout) | 0 / 1 | 10 |
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