func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);     int t;     cin >> t;     while (t--) {       int n;       cin >> n;       vector<int> a(n);       for (int i = 0; i < n; ++i) cin >> a[i];       int m = a[n - 1], ans = 0;       for (int i = n - 1; i >= 0; --i) {         if (a[i] > m) ++ans;         m = min(m, a[i]);       }       cout << ans <<   n ;     }     return 0;   }   