cf/mirror

Ehab and another construction problem

CF
1088A800· newbie1s256 MB⌨ stdin/stdout
#brute force#constructive algorithms

Examples

Sample 1of 2
Input
10
Output
6 3
Sample 2of 2
Input
1
Output
-1
1088A.cpp
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Ln 11·137 BGNU C++20 (64)