func_code_string: #include <bits/stdc++.h>   using namespace std;   vector<pair<int, string> > vc[100010];   vector<string> vc1[100010];   bool comp(pair<int, string> a, pair<int, string> b) {     return a.first > b.first;   }   int main() {     int n, m;     cin >> n >> m;     for (int i = 0; i < n; i++) {       string s;       int a, b;       cin >> s >> a >> b;       vc[a].push_back(make_pair(b, s));     }     for (int i = 1; i <= m; i++) {       sort(vc[i].begin(), vc[i].end(), comp);     }     for (int i = 1; i <= m; i++) {       if (vc[i].size() == 2) {         for (int j = 0; j < vc[i].size(); j++) {           vc1[i].push_back(vc[i][j].second);         }       } else if (vc[i].size() == 1) {         for (int j = 0; j < vc[i].size(); j++) {           vc1[i].push_back(vc[i][j].second);         }       } else if (vc[i].size() > 2) {         if (vc[i][1].first == vc[i][2].first) {           vc1[i].push_back( ? );         } else {           for (int j = 0; j < 2; j++) {             vc1[i].push_back(vc[i][j].second);           }         }       }     }     for (int i = 1; i <= m; i++) {       for (int j = 0; j < vc1[i].size(); j++) {         cout << vc1[i][j];         if (j < vc1[i].size() - 1) cout <<    ;       }       cout << endl;     }   }   