func_code_string: #include <bits/stdc++.h>   using namespace std;   char kata[1005];   int panjang, total[30], batas;   int main() {     scanf( %s , kata);     panjang = strlen(kata);     for (int i = 0; i < panjang; ++i) ++total[kata[i] -  a ];     scanf( %d , &batas);     int cek = 0;     for (int i = 0; i < 26; ++i)       if (total[i]) ++cek;     if (cek > batas) {       printf( -1 n );       return 0;     }     int kiri = 0;     int kanan = panjang;     while (kanan - kiri > 1) {       int tengah = (kanan + kiri) / 2;       int pakai = 0;       for (int i = 0; i < 26; ++i) {         pakai += (total[i] + tengah - 1) / tengah;       }       if (pakai > batas)         kiri = tengah;       else         kanan = tengah;     }     printf( %d n , kanan);     for (int i = 0; i < 26; ++i) {       int temp = (total[i] + kanan - 1) / kanan;       for (int j = 0; j < temp; ++j) printf( %c , i +  a );       batas -= temp;     }     for (int i = 0; i < batas; ++i) printf( a );     printf(  n );     return 0;   }   