func_code_string: #include <bits/stdc++.h>   using namespace std;   int arr[100010];   int sieve[100010];   int main() {     int n, i, j, m, x, a, b, ans, q, flag = 0, cnt = 0;     scanf( %d , &n);     for (i = 2; i <= n; i++) {       if (!sieve[i]) {         for (j = i * i; j <= n; j += i) sieve[j] = 1;         for (j = i; j <= n; j = j * i) {           arr[cnt++] = j;         }       }     }     printf( %d n , cnt);     for (i = 0; i < cnt; i++) printf( %d  , arr[i]);     if (cnt) printf(  n );     return 0;   }   