func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve() {     string s, s1;     cin >> s;     int count = 0;     sort(s.begin(), s.end());     for (int i = 0; i < s.length(); ++i) {       if (s[i] ==  + ) count++;     }     std::vector<string> v(s.length());     for (int i = count; i < s.length(); ++i) {       v[i] = s[i];     }     if (count != 0)       for (int i = count; i < v.size() - 1; ++i) {         cout << v[i] <<  + ;       }     cout << v[v.size() - 1];   }   int main() { solve(); }   