Submission #16607

#TimeUsernameProblemLanguageResultExecution timeMemory
16607eaststarWiring (kriii2_W)C++14
4 / 4
0 ms1084 KiB
#include <stdio.h>
int main(){
    long long n;
    scanf("%lld",&n);
    if(n%2)printf("%lld",n/2);
    else printf("%lld",n-1);
    return 0;
}
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