cf/mirror

Beautiful Tree

CF
1904F2800· international gm4s512 MB⌨ stdin/stdout
#data structures#dfs and similar#graphs#implementation#trees

Examples

Sample 1of 2
Input
7 5
1 2
1 3
1 4
3 5
4 6
3 7
1 6 5 1
2 6 7 3
1 2 7 1
1 7 5 7
2 4 2 2
Output
1 6 7 5 3 4 2
Sample 2of 2
Input
2 2
1 2
1 1 2 1
1 1 2 2
Output
-1
1904F.cpp
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Ln 11·137 BGNU C++20 (64)
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