func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     cin >> s;     int h = 0;     int start = 0;     map<int, int> m;     set<int> hash;     for (int i = 0; i < s.size(); ++i) {       int index = i;       if (s[i] ==  > ) {         for (int i = 0; i < 2 * h; ++i) {           cout <<    ;         }         cout << s.substr(start, index - start + 1) << endl;         hash.insert(index - 1);         if (s[index - 2] !=  / ) {           ++h;         }         start = index + 1;       } else if (s[i] ==  / ) {         --h;       }     }     return 0;   }   