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| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 3486 | CSPS2025B 道路修复 / road | 0 / 14 | 5 | |
| 465 | P1546 最短网络 | 6 / 41 | 3 | |
| 496 | P2330 繁忙的都市 | 2 / 12 | 3 | |
| 495 | P2820 局域网 | 4 / 13 | 3 | |
| 565 | T1486 「一本通 3.1 例 1」黑暗城堡 | 0 / 0 | 4 | |
| 571 | T1492 「一本通 3.1 练习 5」最小生成树计数 | 0 / 0 | 6 |
Pick a problem randomly based on the current filter.
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