func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(nullptr);     cout.tie(nullptr);     int n;     cin >> n;     vector<pair<int, int>> a(n);     for (int i = 0; i < n; i++) {       cin >> a[i].first;     }     for (int i = 0; i < n; i++) {       cin >> a[i].second;     }     sort(a.begin(), a.end());     a.push_back(make_pair(static_cast<int>(2e9), 0));     n++;     multiset<int> s;     int recent = 0;     long long ans = 0LL, sum = 0LL;     for (int i = 0; i < n; i++) {       while (a[i].first > recent && s.size()) {         recent++;         auto it = prev(s.end());         sum -= *it;         ans += sum;         s.erase(it);       }       recent = a[i].first;       sum += a[i].second;       s.insert(a[i].second);     }     cout << ans <<   n ;     return 0;   }   