#H621. [NOIP 2018 提高组] 赛道修建
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ID: 3824
Type: Default
1000ms
256MiB
Tried: 1
Accepted: 1
Difficulty: 8
Uploaded By:
blackcat
Tags> [NOIP 2018 提高组] 赛道修建
题目描述
输入格式
输出格式
9 3
1 2 6
2 3 3
3 4 5
4 5 10
6 2 4
7 2 9
8 4 7
9 4 4
15
提示
