cf/mirror

Marin and Anti-coprime Permutation

CF
1658B800· newbie1s256 MB⌨ stdin/stdout
#combinatorics#math#number theory

Examples

Sample 1of 1multi-test • hover to link
Input
7
1
2
3
4
5
6
1000
Output
0
1
0
4
0
36
665702330
1658B.cpp
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Ln 11·137 BGNU C++20 (64)