oj.uz

Submission #2838

# Submission time Handle Problem Language Result Execution time Memory
2838 2013-07-31T15:05:53 Z 6590f1 다각형 (GA5_polygon) C++
0 / 100
 0 ms 1088 KB 
#include <stdio.h>
int main ()
{
    long long int a,b,sum=0;
    scanf("%lld %lld",&a,&b);
    if(a%2==0)a=a-2;
    a=a-a%2;
    b=b-b%2;
    sum=(b/2)*(b/2+1)-(a/2)*(a/2+1);
    if(a<=1)sum=sum-2;
    printf("%lld",sum);
    return 0;
}

Subtask #1
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 1088 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Halted 0 ms 0 KB -

Subtask #3
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Halted 0 ms 0 KB -