func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int find(vector<long long int> &p, long long int i) {     if (p[i] == -1) return i;     return find(p, p[i]);   }   void solve() {     string st;     cin >> st;     long long int c = 0;     for (long long int i = 0; i < st.size(); i++) {       if (st[i] ==  >  or st[i] ==  < ) {         continue;       }       if (st[i] ==  / ) {         c--;         for (long long int j = 0; j < 2 * c; j++) {           cout <<    ;         }         cout <<  </  << st[i + 1] <<  >  << endl;       } else if (st[i - 1] !=  / ) {         for (long long int j = 0; j < 2 * c; j++) {           cout <<    ;         }         cout <<  <  << st[i] <<  >  << endl;         c++;       }     }   }   int main() {     { solve(); }     return 0;   }   