cf/mirror

Clothes

CF
102A1200· pupil2s256 MB⌨ stdin/stdout
#brute force

Examples

Sample 1of 3
Input
3 3
1 2 3
1 2
2 3
3 1
Output
6
Sample 2of 3
Input
3 2
2 3 4
2 3
2 1
Output
-1
Sample 3of 3
Input
4 4
1 1 1 1
1 2
2 3
3 4
4 1
Output
-1
102A.cpp
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Ln 11·137 BGNU C++20 (64)