func_code_string: #include <bits/stdc++.h>   int main() {     std::ios::sync_with_stdio(false);     std::cin.tie(nullptr);     std::string s;     std::cin >> s;     std::string_view view = s;     size_t n = 0;     while (!view.empty()) {       const size_t id = view.find( > ) + 1;       const auto tag = view.substr(0, id);       view.remove_prefix(id);       if (tag[1] ==  / ) {         n -= 2;       }       std::cout << std::string(n,    ) << tag <<   n ;       if (tag[1] !=  / ) {         n += 2;       }     }   }   