func_code_string: #include <bits/stdc++.h>   using namespace std;   int i, a[1111], x, n, s, y, f1, f2;   int main() {     cin >> n;     for (i = 0; i < n; i++) {       cin >> x;       if (x == 0 || x == 100)         a[++s] = x;       else if (x < 10 && f1 == 0)         a[++s] = x, f1 = 1;       else if (x % 10 == 0 && f2 == 0)         a[++s] = x, f2 = 1;       else         y = x;     }     if (f1 == 0 && f2 == 0 && y != 0) a[++s] = y;     cout << s <<   n ;     for (i = 1; i <= s; i++) cout << a[i] <<    ;     return 0;   }   