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

#define int long long
#define PB push_back
#define PPB pop_back
typedef pair<int, int> pii;
typedef pair<double, double> pdd;

static const int INF = 1LL << 61;

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n, ans = 0, tmax = 0;
    cin >> n;
    for (int i = 0; i < n; ++i) {
        int t;
        cin >> t;
        if (t < tmax) ans++;
        else tmax = t;
    }

    cout << ans << endl;
}