cf/mirror

Interesting Game

CF
87C2000· candidate master2s256 MB⌨ stdin/stdout
#dp#games#math

Examples

Sample 1of 3
Input
3
Output
2
Sample 2of 3
Input
6
Output
-1
Sample 3of 3
Input
100
Output
8
87C.cpp
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Ln 11·137 BGNU C++20 (64)