求解 P2176 和 USACO11DEC 相关 的 RoadBlock S 与 USACO14FEB 相关 Roadblock G/S 题解

P2176 [USACO11DEC] RoadBlock S / [USACO14FEB] Roadblock G/S 题解P2176 [USACO11DEC] RoadBlock S / [USACO14FEB] Roadblock G/S简化题意无向图有 \(N\) 个点和 \(M\) 条边。第 \(i\) 条边连接节点 \(u_i\) 和 \…

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