#include<bits/stdc++.h>
using namespace std;

#define int long long 
#define pb push_back
#define F first 
#define S second 

const int mol=1e9+7;

void solve(){
    int n;
    cin>>n;
    vector<int>a(n+1);
    int ans=0;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    sort(a.begin()+1, a.end());
    for(int i=2;i<=n;i++)
        ans+=a[i]/a[i-1];
    cout<<ans<<"\n";
}

signed main(){
    ios::sync_with_stdio(0);cin.tie(0);
    // int t;
    // cin>>t;
    // while(t--)
    solve();
    return 0;
}