func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = 2e5 + 10;   const int base = 31337;   const int mod = 1e9 + 7;   const int inf = 0x3f3f3f3f;   const int logo = 20;   const int off = 1 << logo;   const int treesiz = off << 1;   int n;   int niz[maxn];   int main() {     scanf( %d , &n);     for (int i = 0; i < n; i++) {       scanf( %d , niz + i);       niz[i] *= 2;     }     int sum = 0;     for (int i = 0; i < n; i++) sum += niz[i];     if (sum >= 9 * n)       printf( 0 );     else {       sort(niz, niz + n);       for (int i = 0; i < n; i++) {         sum += 10 - niz[i];         if (sum >= 9 * n) {           printf( %d n , i + 1);           break;         }       }     }     return 0;   }   