大佬们看看哪错了QwQ

#include<bits/stdc++.h>
using namespace std;
int n,a[3],b[3];
double minn=100000;
int main(){
	cin>>n;
	for(int i=1;i<=3;i++){
		cin>>a[i]>>b[i];
		minn=min(minn,ceil(1.0*n/a[i])*b[i]);
	}
	cout<<minn;
	return 0;
}