题目传送门：https://uva.onlinejudge.org/index.php&problem=4162
中文题面：《算法竞赛·入门经典·训练指南》P330
首先，这题看数据范围就是一个大暴力
然而我只会O(m*n^3)的、会T到死的、辣鸡到爆炸的大暴力
枚举每一个最短路的起点，考虑只有删除最短路树上的边才会影响到答案
于是就只用枚举O(n^2),最终复杂度为O(n^2mlog(n))
题目传送门：https://uva.onlinejudge.org/index.php&problem=4162
中文题面：《算法竞赛·入门经典·训练指南》P330
首先，这题看数据范围就是一个大暴力
然而我只会O(m*n^3)的、会T到死的、辣鸡到爆炸的大暴力
枚举每一个最短路的起点，考虑只有删除最短路树上的边才会影响到答案
于是就只用枚举O(n^2),最终复杂度为O(n^2mlog(n))
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