cf/mirror

Productive Meeting

CF
1579D1400· specialist2s256 MB⌨ stdin/stdout
#constructive algorithms#graphs#greedy

Examples

Sample 1of 1
Input
8
2
2 3
3
1 2 3
4
1 2 3 4
3
0 0 2
2
6 2
3
0 0 2
5
8 2 0 1 1
5
0 1 0 0 6
Output
2
1 2
1 2
3
1 3
2 3
2 3
5
1 3
2 4
2 4
3 4
3 4
0
2
1 2
1 2
0
4
1 2
1 5
1 4
1 2
1
5 2
1579D.cpp
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Ln 11·137 BGNU C++20 (64)
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