点6过不了，，，错哪啦？

#include<iostream>
using namespace std;
int main(){
    int n,a[10010],b[10010],ans=0x3f3f3f,x;
    cin>>n;
    for(int i=1;i<=3;i++){
        cin>>a[i]>>b[i];
        if(n%a[i]!=0){
            x=n/a[i]+1;
        }
        else{
            x=n/a[i];
        }
        if(ans>x*b[i]){
            ans=x*b[i];
        }
    }
    cout<<ans;
    return 0;
}