| ID | Status | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|---|
| 15 | P111 新的开始 | 0 / 0 | (None) | ||
| 42 | P136 新的开始 | 0 / 0 | (None) | ||
| 599 | P638 城市公交网建设问题 | 0 / 0 | (None) | ||
| 600 | P639 最优布线问题 | 0 / 0 | (None) | ||
| 602 | P640 最短网络(agrinet) | 0 / 0 | (None) | ||
| 603 | P641 局域网(net) | 0 / 0 | (None) | ||
| 606 | P644 繁忙的都市(city) | 0 / 0 | (None) | ||
| 608 | P646 联络员(liaison) | 0 / 0 | (None) | ||
| 610 | P648 连接格点(grid) | 0 / 0 | (None) |
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