func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     map<int, vector<pair<int, int> > > mp;     int res[200], mini = INT_MAX;     for (int i = 0; i < n; i++) {       pair<int, int> p;       scanf( %d%d , &p.first, &p.second);       mp[p.first].push_back({p.second, i});     }     int cur = 0;     priority_queue<pair<int, int>, vector<pair<int, int> >,                    greater<pair<int, int> > >         pq;     for (auto m : mp) {       while (!pq.empty() && cur < m.first) {         auto j = pq.top();         pq.pop();         res[j.second] = cur++;       }       if (pq.empty()) {         cur = m.first;       }       for (auto i : m.second) {         pq.push(i);       }     }     while (!pq.empty()) {       auto j = pq.top();       pq.pop();       res[j.second] = cur++;     }     for (int i = 0; i < n; i++) {       cout << res[i] <<    ;     }   }   