func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long n, s, p, k, m, t, x, y, ans, res;     cin >> t;     while (t--) {       cin >> n;       long long a[n + 1];       for (int i = 1; i <= n; i++) {         cin >> a[i];       }       ans = 0;       m = INT_MAX;       for (int i = n; i >= 1; i--) {         if (a[i] > m) ans++;         m = min(a[i], m);       }       cout << ans << endl;     }     return 0;   }   