cf/mirror

Double Sort

CF
1681C1200· pupil2s256 MB⌨ stdin/stdout
#implementation#sortings

Examples

Sample 1of 1
Input
3
2
1 2
1 2
2
2 1
1 2
4
2 3 1 2
2 3 2 3
Output
0
-1
3
3 1
3 2
4 3
1681C.cpp
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Ln 11·137 BGNU C++20 (64)