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()
{
long long a, b, sum;
scanf("%lld %lld",&a,&b);
sum=((b*(b+1)/2-(b+1)/2)/2)+(b+1)/2-2;
if((b+1)%2==0) sum-=(b+1)/2;
printf("%lld",sum);
return 0;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |