| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 7794 | ggoh | 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<cstdio>
long long a,b,x;
main()
{
scanf("%lld%lld",&a,&b);
if(a<3)x=2;
b/=2;
a-=1;
a/=2;
printf("%lld",2*((b+1)*b/2-(a+1)*a/2)-x);
}
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