#4068. C++-GESP 2025-09认证六级-编程题02（货物运输）
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ID: 4068
Type: Default
1000ms
256MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
李正超 (lizhengchao)
Tags> C++-GESP 2025-09认证六级-编程题02（货物运输）
Background
Description
Format
Input
Output
Samples
4
1 2 6
1 3 1
3 4 5
18
7
1 2 1
2 3 1
3 4 1
7 6 1
6 5 1
5 1 1
9