cf/mirror

Tree Destruction

CF
2050G1900· candidate master2s256 MB⌨ stdin/stdout
#dfs and similar#dp#trees

Examples

Sample 1of 1multi-test • hover to link
Input
6
2
1 2
5
1 2
2 3
3 4
3 5
4
1 2
2 3
3 4
5
2 1
3 1
4 1
5 4
6
2 1
3 1
4 1
5 3
6 3
6
2 1
3 2
4 2
5 3
6 4
Output
1
3
2
3
4
3
2050G.cpp
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Ln 11·137 BGNU C++20 (64)
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