#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n,num[4],price[4];
	int i;
	double a[4],b[4];
	cin>>n;
	for(i=1;i<=3;i++)cin>>num[i]>>price[i];
	for(i=1;i<=3;i++)
	{
		a[i]=ceil(1.0*n/num[i]);
		b[i]=a[i]*price[i];
	}
	sort(b+1,b+4);
	cout<<b[1];
}

为啥第6个测试点老是过不了==>>Wrong Answer.wrong answer On line 1 column 2, read ., expected 9. 求大佬指正！