cf/mirror

Tree nesting

CF
762F2800· international gm2s256 MB⌨ stdin/stdout
#combinatorics#graphs#trees

Examples

Sample 1of 4
Input
5
1 2
2 3
3 4
4 5
3
1 2
2 3
Output
3
Sample 2of 4
Input
3
2 3
3 1
3
1 2
1 3
Output
1
Sample 3of 4
Input
7
1 2
1 3
1 4
1 5
1 6
1 7
4
4 1
4 2
4 3
Output
20
Sample 4of 4
Input
5
1 2
2 3
3 4
4 5
4
4 1
4 2
4 3
Output
0
762F.cpp
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Ln 11·137 BGNU C++20 (64)
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