摘要:
联合权值 题目描述 无向连通图 GG 有 nn 个点,n-1n−1 条边。点从 11 到 nn 依次编号,编号为 ii 的点的权值为 W_iWi,每条边的长度均为 11。图上两点 (u, v)(u,v) 的距离定义为 uu 点到 vv 点的最短距离。对于图 GG 上的点对 (u, v)(u,v), 阅读全文
posted @ 2018-10-01 19:46
yzm10
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摘要:
Partial Tree In mathematics, and more specifically in graph theory, a tree is an undirected graph in which any two nodes are connected by exactly one 阅读全文
posted @ 2018-10-01 19:29
yzm10
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