oj.uz

Submission #2850

# Submission time Handle Problem Language Result Execution time Memory
2850 2013-07-31T16:05:48 Z 6590f1 다각형 (GA5_polygon) C++
100 / 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;
    if(a+b==0)sum=0;
    printf("%lld",sum);
    return 0;
}

Subtask #1
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1088 KB Output is correct
2 Correct 0 ms 1088 KB Output is correct
3 Correct 0 ms 1088 KB Output is correct
4 Correct 0 ms 1088 KB Output is correct
5 Correct 0 ms 1088 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1088 KB Output is correct
2 Correct 0 ms 1088 KB Output is correct
3 Correct 0 ms 1088 KB Output is correct
4 Correct 0 ms 1088 KB Output is correct
5 Correct 0 ms 1088 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1088 KB Output is correct
2 Correct 0 ms 1088 KB Output is correct
3 Correct 0 ms 1088 KB Output is correct
4 Correct 0 ms 1088 KB Output is correct
5 Correct 0 ms 1088 KB Output is correct