func_code_string: #include <bits/stdc++.h>   int main() {     int n, a, sum;     scanf( %d , &n);     int k = 0;     int arr[100];     for (int i = n - 9 * (log10(n) + 1 + 1); i <= n; i++) {       sum = a = i;       while (a != 0) {         sum += a % 10;         a /= 10;       }       if (sum == n) {         arr[k++] = i;       }     }     printf( %d n , k);     for (int i = 0; i < k; i++) {       printf( %d n , arr[i]);     }     return 0;   }   