func_code_string: #include <bits/stdc++.h>   using namespace std;   using std::string;   int main() {     int n;     cin >> n;     string s;     cin >> s;     int f = 0;     for (int i = 0; i < s.size() - 1; i++) {       if (s[i + 1] < s[i]) {         for (int j = i + 1; j < s.size(); j++) s[j - 1] = s[j];         f = 1;         break;       }     }     s.pop_back();     cout << s;   }   