#4094. C++-GESP 2025-09认证七级-编程题01（连通图）
-
ID: 4094
Type: Default
1000ms
256MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
李正超 (lizhengchao)
Tags> C++-GESP 2025-09认证七级-编程题01（连通图）
Background
Description
Format
Input
Output
Samples
4 4
1 2
2 3
3 1
1 4
0
6 4
1 2
2 3
3 1
6 5
2