func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, k;     cin >> n >> k;     vector<vector<int> > g;     vector<int> buf;     g.clear();     buf.clear();     for (int i = 0; i < k; i++) g.push_back(buf);     vector<int> num;     num.clear();     int j;     for (j = 0; j < n * k; j++) num.push_back(0);     for (int i = 0; i < k; i++) {       int c;       cin >> c;       g[i].push_back(c);       num[c - 1] = 1;     }     int l = 0;     for (j = 0; j < n * k; j++)       if (num[j] == 0) {         g[l].push_back(j + 1);         l++;         if (l == k) l = 0;       }     for (int i = 0; i < k; i++) {       for (int j = 0; j < n; j++) cout << g[i][j] <<    ;       cout <<   n ;     }     return 0;   }   