func_code_string: #include <bits/stdc++.h>   #pragma GCC optimization( O3 )   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     long long t;     cin >> t;     while (t) {       int n, m;       cin >> n >> m;       vector<pair<int, int>> v;       vector<int> orig;       for (int i = 0; i < m; i++) {         int a;         cin >> a;         orig.push_back(a);         v.push_back({a, -i});       }       sort(v.begin(), v.end());       vector<int> rank(m);       for (int i = 0; i < m; i++) rank[-v[i].second] = i;       int ans = 0;       vector<int> s;       for (int i = 0; i < m; i++) {         int pos = rank[i];         for (int i = 0; i < s.size(); i++) {           if (pos > s[i]) ans++;         }         s.push_back(pos);       }       cout << ans <<   n ;       t--;     }   }   