#include<bits/stdc++.h>
using namespace std;
int main(){
long long int a[10000001];
int n;
cin>>n;
long long int ans=1e14;
for(int i=0;i<n;i++){
cin>>a[i];
}
for(int i=0;i<n;i++){
long long int b;
cin>>b;
ans=min(ans,b/a[i]);
}
cout<<ans<<endl;
return 0;
}
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