func_code_string: #include <bits/stdc++.h>   using namespace std;   const double PI = 2.0 * acos(0.0);   const double EPS = 1e-6;   int main() {     char s[1005];     scanf( %s , s);     int n;     scanf( %d , &n);     int len = strlen(s);     int cnt[26] = {0};     for (int i = 0; i < len; i++) cnt[s[i] -  a ]++;     bool found = false;     for (int res = 1; res <= len; res++) {       int need = 0;       int res_cnt[26] = {0};       for (int k = 0; k < 26; k++)         need += res_cnt[k] = (int)ceil((double)cnt[k] / res);       if (need <= n) {         found = true;         printf( %d n , res);         for (int k = 0; k < 26; k++)           for (int j = 0; j < res_cnt[k]; j++) putchar(k +  a );         for (int i = 0; i < n - need; i++) putchar( z );         puts(  );         break;       }     }     if (!found) puts( -1 );     return 0;   }   