Submission #9248

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
92482014-09-28 05:01:37myungwooWiring (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-(N+1)/2);
else printf("%lld\n", N-1);
}
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