func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string a, s;     cin >> a >> s;     sort(s.begin(), s.end());     int ind = s.length() - 1, n = a.length();     for (int i = 0; i < n; i++) {       if (ind >= 0 && s[ind] > a[i]) {         a[i] = s[ind];         ind--;       }     }     cout << a;     return 0;   }   