func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     int nMin;     int ans = 0;     int n;     int inter[150001];     cin >> t;     while (t--) {       ans = 0;       cin >> n;       for (int i = 0; i < n; i++) {         cin >> inter[i];       }       for (int i = n - 1; i >= 0; i--) {         if (i == n - 1) {           nMin = inter[i];         } else {           if (inter[i] <= nMin) {             nMin = inter[i];           } else {             ans++;           }         }       }       cout << ans << endl;     }     return 0;   }   