Submission #9399

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
93992014-09-28 06:09:50kkjjkkWiring (kriii2_W)C++98
4 / 4
0 ms1088 KiB
#include <cstdio>
int main()
{
long long n;
scanf("%lld", &n);
if(n % 2 == 0) printf("%lld", n - 1);
else printf("%lld", n / 2);
}
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