#include<bits/stdc++.h>
using namespace std;
#ifdef LOCAL_DEBUG
  #include "LOCAL_DEBUG.hpp"
#endif
#define int long long

signed main(){

  int n; cin >> n;
  vector<pair<int, int>> a(n);
  for(int i = 0; i < n; i++){
    cin >> a[i].first;
    a[i].second = i;
  }
  sort(a.rbegin(),a.rend());
  int ans = 0, left = a[0].second;
  for(auto p : a){
    if(left < p.second){
      ans++;
    }else{
      left = p.second;
    }
  }
  cout << ans << endl;

  return 0;
}