cf/mirror

Tricolor Triangles

CF
1616F2900· international gm1s256 MB⌨ stdin/stdout
#brute force#graphs#math#matrices

Examples

Sample 1of 1
Input
4
3 3
1 2 1
2 3 2
3 1 -1
3 3
1 2 1
2 3 1
3 1 -1
4 4
1 2 -1
2 3 -1
3 4 -1
4 1 -1
3 3
1 2 1
2 3 1
3 1 2
Output
1 2 3 
1 1 1 
1 2 2 3 
-1
1616F.cpp
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Ln 11·137 BGNU C++20 (64)
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