#A. 最短路

    Type: Default 1000ms 256MiB

最短路

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Description

给一个N个点M条边的连通无向图,满足每条边最多属于一个环,有Q组询问,每次询问两点之间的最短路径。

Input

输入的第一行包含三个整数,分别表示N和M和Q 下接M行,每行三个整数v,u,w表示一条无向边v-u,长度为w 最后Q行,每行两个整数v,u表示一组询问

Output

输出Q行,每行一个整数表示询问的答案

9 10 2
1 2 1
1 4 1
3 4 1
2 3 1
3 7 1
7 8 2
7 9 2
1 5 3
1 6 4
5 6 1
1 9
5 7
5
6

Hint

对于100%的数据,N<=10000,Q<=10000

20250324~25 圆方树

Not Attended
Status
Done
Rule
IOI
Problem
5
Start at
2025-3-18 14:00
End at
2025-3-26 22:00
Duration
200 hour(s)
Host
Partic.
8