func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 1e5 + 5;   long long a[10], n, rem[10], par[10], res = N, rem_factors[10], factors[10];   inline bool is_prime(long long u) {     if (u == 1) return false;     if (u == 2) return true;     if (u % 2 == 0) return false;     for (long long i = 3; i * i <= u; i += 2)       if (u % i == 0) return false;     return true;   }   int get(long long u) {     if (u == 1) return 0;     if (is_prime(u)) return 1;     int res = 0;     while (u % 2 == 0) {       u /= 2;       res++;     }     if (u == 1) return res;     if (is_prime(u)) {       return res + 1;     }     for (long long i = 3; i * i <= u; i += 2) {       while (u % i == 0) {         res++;         u /= i;       }     }     if (u > 2) res++;     return res;   }   int PRIME[10];   void backtrack(int idx) {     if (idx == n) {       int val = 0, cnt_par = 0;       for (int i = 0; i < n; i++) {         if (!PRIME[i]) val += rem_factors[i];         cnt_par += (par[i] != -1);       }       if (n - cnt_par > 1)         res = min(res, val + n + 1);       else         res = min(res, val + n);       return;     }     for (int i = idx + 1; i < n; i++) {       if (rem[i] >= a[idx] && a[i] > a[idx] && rem[i] % a[idx] == 0) {         rem[i] /= a[idx];         rem_factors[i] -= factors[idx];         par[idx] = i;         backtrack(idx + 1);         rem_factors[i] += factors[idx];         par[idx] = -1;         rem[i] *= a[idx];       }     }     backtrack(idx + 1);   }   int main() {     ios_base::sync_with_stdio(false);     scanf( %d , &n);     memset(par, -1, sizeof(par));     for (int i = 0; i < n; i++) scanf( %lld , &a[i]);     sort(a, a + n);     for (int i = 0; i < n; i++) rem[i] = a[i];     for (int i = 0; i < n; i++) PRIME[i] = is_prime(a[i]);     for (int i = 0; i < n; i++) {       rem_factors[i] = get(a[i]);       factors[i] = rem_factors[i];     }     backtrack(0);     printf( %d n , res);     return 0;   }   