| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 13806 | P13900 [CSPro 28] 聚集方差 | 0 / 0 | 5 | |
| 13058 | P13908 「TFXOI Round 3」旅者之树 | 0 / 0 | 5 | |
| 14419 | P14485 [集训队互测 2018] 有向图 | 0 / 0 | 7 | |
| 14428 | P14494 [集训队互测 2018] tree | 0 / 0 | 7 |
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