cp/codeforces/1043/io/2132f.1.cpin

31 lines
94 B
Text

3
3 3
1 2
2 3
3 1
1
1
5 4
1 2
2 3
3 4
4 5
3
1
2
3
7 6
1 2
1 5
2 3
3 4
5 7
6 7
7
1
2
3
4
5
6
7