| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 2845 | ansol4328 | 다각형 (GA5_polygon) | 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<stdio.h>
int main()
{
unsigned long long a, b, sum;
scanf("%llu %llu",&a,&b);
b/=2;
sum=b*(b+1);
sum-=2;
printf("%llu",sum);
return 0;
}
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