cf/mirror

Three swimmers

CF
1492A800· newbie1s512 MB⌨ stdin/stdout
#math

Examples

Sample 1of 1
Input
4
9 5 4 8
2 6 10 9
10 2 5 10
10 9 9 9
Output
1
4
0
8
1492A.cpp
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Ln 11·137 BGNU C++20 (64)