#include <bits/stdc++.h>
#include <iostream>
#include <cmath>

using namespace std;

int main() 
{
    long long a[100001];
    long long n, minn, index, flag = 0;
    cin>>n;
    for(int i=0; i<n; i++)
        cin>>a[i];
    for(int i=0; i<n; i++)
    {
        minn = a[i];
        index = i;
        for(int j=i; j<n; j++)
            if(minn > a[j])
            {
                minn = a[j];
                index = j;
            }
        if(i == index)
            continue;
        else
        {   
            //cout<<"swap(a["<<i<<"],a["<<index<<"]): "<<a[i]<<", "<<a[index]<<endl;
            swap(a[i], a[index]);
            flag++;
        }
    }
    cout<<flag;
    return 0;
}