cf/mirror

Half of Same

CF
1593D21900· candidate master1s256 MB⌨ stdin/stdout
#brute force#math#number theory

Examples

Sample 1of 1
Input
4
6
48 13 22 -15 16 35
8
-1 0 1 -1 0 1 -1 0
4
100 -1000 -1000 -1000
4
1 1 1 1
Output
13
2
-1
-1
1593D2.cpp
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Ln 11·137 BGNU C++20 (64)