cf/mirror

Is your horseshoe on the other hoof?

CF
228A800· newbie2s256 MB⌨ stdin/stdout
#implementation

Examples

Sample 1of 2
Input
1 7 3 3
Output
1
Sample 2of 2
Input
7 7 7 7
Output
3
228A.cpp
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Ln 11·137 BGNU C++20 (64)