func_code_string: #include <bits/stdc++.h>   using namespace std;   using ll = long long;   int const nmax = 200000;   struct Person {     int cost;     int number;     bool operator<(Person const &a) const { return number < a.number; }   };   Person v[1 + nmax];   void solve() {     int n;     cin >> n;     for (int i = 1; i <= n; i++) cin >> v[i].number >> v[i].cost;     sort(v + 1, v + n + 1);     ll result = 0;     int votes = 0;     priority_queue<int, vector<int>, greater<int>> pq;     for (int i = n; 1 <= i; i--) {       pq.push(v[i].cost);       if (v[i].number <= i - 1 + votes)         continue;       else {         result += pq.top();         votes++;         pq.pop();       }     }     cout << result <<   n ;   }   int main() {     int t;     cin >> t;     for (int testcase = 1; testcase <= t; testcase++) solve();     return 0;   }   