func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MAXN = 1100;   int N, K, L;   string S;   int nc[26];   vector<char> res[MAXN];   int main() {     ios_base::sync_with_stdio(0);     for (int i = 0; i < 26; i++) nc[i] = 0;     cin >> N >> L >> K >> S;     for (int i = 0; i < S.length(); i++) nc[S[i] -  a ]++;     int nlo = 0, tlen = 0;     for (int i = 0; i < 26; i++) {       if (tlen == L) break;       int ncnt = (K - nlo);       int nb = nc[i] / ncnt;       nb = min(nb, L - tlen);       for (int j = nlo; j < K; j++) {         for (int k = 0; k < nb; k++) {           res[j].push_back((char) a  + i);           nc[i]--;         }       }       tlen += nb;       if (tlen == L) break;       int nleft = nc[i] % ncnt;       for (int j = 0; j < nleft; j++) {         res[nlo++].push_back((char) a  + i);         nc[i]--;       }     }     for (int i = 0; i < N; i++) {       for (int j = 0; j < 26; j++) {         while (nc[j] > 0 && res[i].size() < L) {           res[i].push_back((char) a  + j);           nc[j]--;         }       }     }     for (int i = 0; i < N; i++) {       for (char c : res[i]) cout << c;       cout <<   n ;     }   }   