| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 9792 | shinhj88 | Wiring (kriii2_W) | C++98 | 0 ms | 1088 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <cstdio>
#include <memory.h>
using namespace std;
int main()
{
long long int n;
scanf("%lld",&n);
if(n % 2 == 0) printf("%lld\n",n -1);
else printf("%lld\n",(n - 1) /2);
}
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