func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(false);     cin.tie(0);     int n;     cin >> n;     vector<vector<long long int>> grid(51, vector<long long int>(51, 0));     vector<pair<long long int, long long int>> a;     int t1 = 4 * n + 1;     while (t1--) {       int u, v;       cin >> u >> v;       a.push_back({u, v});       grid[u][v] = 1;     }     t1 = 4 * n + 1;     for (int stx = 0; stx < 50; stx++) {       for (int enx = stx + 1; enx < 51; enx++) {         for (int sty = 0; sty < 50; sty++) {           for (int eny = sty + 1; eny < 51; eny++) {             long long int cnt = 0, c1 = 0, c2 = 0, c3 = 0, c4 = 0;             for (int j = sty; j <= eny; j++) {               if (grid[stx][j] == 1) {                 cnt++;                 c1++;                 if (j == sty) {                   c2++;                 }                 if (j == eny) {                   c4++;                 }               }               if (grid[enx][j] == 1) {                 cnt++;                 c3++;                 if (j == sty) {                   c2++;                 }                 if (j == eny) {                   c4++;                 }               }             }             for (int j = stx + 1; j <= enx - 1; j++) {               if (grid[j][sty] == 1) {                 cnt++;                 c2++;               }               if (grid[j][eny] == 1) {                 cnt++;                 c4++;               }             }             if (cnt == 4 * n && c1 >= n && c2 >= n && c3 >= n && c4 >= n) {               for (int i = 0; i < a.size(); i++) {                 if (a[i].first != stx && a[i].first != enx &&                     a[i].second != sty && a[i].second != eny) {                   cout << a[i].first <<     << a[i].second;                   return 0;                 }                 if (a[i].first == stx || a[i].first == enx) {                   if (a[i].second < sty || a[i].second > eny) {                     cout << a[i].first <<     << a[i].second;                     return 0;                   }                 }                 if (a[i].second == sty || a[i].second == eny) {                   if (a[i].first < stx || a[i].first > enx) {                     cout << a[i].first <<     << a[i].second;                     return 0;                   }                 }               }             }           }         }       }     }   }   