Submission #19790

#	Time	Username	Problem	Language	Result	Execution time	Memory
19790		str	창문 (kriii4_C)	C++14	3 / 100	1000 ms	1084 KiB

C

#include<stdio.h>

int main()
{
	unsigned long long h = 0, w = 0;
	unsigned long long i = 0, j = 0;
	unsigned long long sum = 0;
	unsigned long long result = 0;

	scanf("%llu %llu", &h, &w);

	for (i = 1; i <= h; i++)
	{
		for (j = 1; j <= w; j++)
		{
			sum = sum + ((h - (i - 1))*(w - (j - 1)) * 9 * i*j);
		}
	}

	result = sum / (((i*(i - 1)) / 2)*((j*(j - 1)) / 2));
	printf("%llu", result % 1000000007);
	return 0;
}

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