func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     int t;     cin >> t;     while ((t--)) {       int n;       cin >> n;       int arr[n];       int diff[n - 1];       for (int i = 0; i < n; i++) {         cin >> arr[i];       }       int ctr = 0;       int min = arr[n - 1];       for (int i = n - 2; i >= 0; i--) {         if (min >= arr[i]) {           min = arr[i];         } else {           ctr++;         }       }       cout << ctr <<   n ;     }     return 0;   }   