AOJ 0045 Sum and Average

404 Not Found

#include <cstdio>

int main()
{
	int m, n;
	int total = 0, ave = 0, row = 0;
	while(~scanf("%d,%d\n", &m, &n)){
		total += m * n;
		ave += n;
		row++;
	}
	printf("%d\n%d\n", total, (int)(ave / (double)row + 0.5));
	return 0;
}

こういう簡単な問題ばっかり解いてお茶を濁すのをそろそろやめたいなあと思いつつ。