func_code_string: #include <bits/stdc++.h>   using namespace std;   int s[51];   int main() {     int n, g, check = 0, t = 0, q = 0;     cin >> n;     g = (n * (n - 1)) / 2;     pair<int, int> can[g - 1];     for (int i = 0; i < g - 1; i++) {       cin >> can[i].first >> can[i].second;       s[can[i].first]++;       s[can[i].second]++;     }     for (int i = 1; i <= n; i++) {       if (s[i] < n - 1) {         if (t == 0)           t = i;         else           q = i;       }     }     for (int i = 0; i < g; i++) {       if (can[i].first == t) {         check = 1;         for (int r = 0; r < g; r++) {           if (can[r].first == can[i].second && can[r].second == q) {             cout << t <<     << q;             return 0;           }         }       }     }     if (check == 0) {       cout << q <<     << t;       return 0;     }     for (int i = 0; i < g; i++) {       if (can[i].first == q) {         for (int r = 0; r < g; r++) {           if (can[r].first == can[i].second && can[r].second == t) {             cout << q <<     << t;             return 0;           }         }       }     }     cout << t <<     << q;   }   