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답안 #7778

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
7778 2014-08-19T10:02:54 Z gs13105 다각형 (GA5_polygon) C++
100 / 100
 0 ms 1088 KB 
#include <stdio.h>
 
int main()
{
    long long a,b,n,s;
    scanf("%lld%lld",&a,&b);
    if(a%2==1)
        a++;
    n=(b-a)/2+1;
    s=n*(a+n-1);
    if(a==2)
        s-=2;
    printf("%lld",s);
    return 0;
}

Subtask #1
60.0 / 60.0

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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