Submission #19780

#	Time	Username	Problem	Language	Result	Execution time	Memory
19780		ilbbke	창문 (kriii4_C)	C++98	3 / 100	0 ms	1084 KiB

C

#include <stdio.h>

int n, m;
long long ans = 0;

int main()
{
    int i, j;
    scanf("%d", &n);
    scanf("%d", &m);
    for(i = 1; i <= n; i++) {
        for(j = 1; j <= m; j++) {
            ans += 9 * i * j * (n - i + 1) * (m - j + 1);
        }
    }
    ans *= 4;
    ans /= n * (n + 1) * m * (m + 1);
    printf("%d", ans);
}

• Subtask 1: 3 / 3
• Subtask 2: 0 / 97