func_code_string: #include <bits/stdc++.h>   using namespace std;   template <class T>   void pp(T v) {     for (__typeof((v).begin()) it = (v).begin(); it != (v).end(); ++it)       cout << *it <<    ;     cout << endl;   }   template <class T>   void pp(T v, int n) {     for (int i = 0; i < (int)n; i++) cout << v[i] <<    ;     cout << endl;   }   const int INF = 1 << 28;   const double EPS = 1.0e-9;   bool solve(const vector<pair<int, string> > &data) {     const int n = data.size();     for (int i = 0; i < (int)n; i++) {       if (data[i].first > i) return false;     }     vector<int> height(n);     vector<int> ans;     for (int i = 0, h = n; i < n; i++, h--) {       ans.insert(ans.begin() + data[i].first, i);       height[i] = h;     }     for (int i = 0; i < (int)n; i++) {       cout << data[ans[i]].second <<     << height[ans[i]] << endl;     }     return true;   }   int main(void) {     int n;     cin >> n;     vector<pair<int, string> > data(n);     for (int i = 0; i < (int)n; i++) {       string name;       int a;       cin >> name >> a;       data[i] = make_pair(a, name);     }     sort((data).begin(), (data).end());     bool ans = solve(data);     if (ans == false) cout << -1 << endl;     return 0;   }   