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()
{
    int a, b, c;
    scanf("%d %d", &a, &b); 
    if(a>=3)a+=a%2;
    else a=4;
    b-=b%2;
    c = (a+b) * (b-a+2) /4;
    if(c>0)printf("%d", c);
    else printf("0");
    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... |