func_code_string: #include <bits/stdc++.h>   using namespace std;   const int M = 100000 + 10;   int a[M];   vector<int> ans[M];   int main() {     int n, k;     cin >> n >> k;     for (int i = 0; i < n; i++) {       cin >> a[i];     }     sort(a, a + n);     int num = 0;     while (num < k) {       for (int i = n; i >= 0 && num < k; i--) {         for (int j = 0; j < i; j++) {           for (int x = n - 1; x >= i; x--) {             ans[num].push_back(a[x]);           }           ans[num].push_back(a[j]);           num++;           if (num == k) {             break;           }         }       }     }     for (int i = 0; i < num; i++) {       cout << ans[i].size() <<    ;       for (int j = 0; j < ans[i].size(); j++) {         cout << ans[i][j] <<    ;       }       cout << endl;     }     return 0;   }   