Submission #9326

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
93262014-09-28 05:36:35veckalWiring (kriii2_W)C++14
4 / 4
0 ms1088 KiB
#include<stdio.h>
long long n;
int main() {
scanf("%lld", &n);
if (n&1) printf("%lld\n", n/2);
else printf("%lld\n", n-1);
return 0;
}
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