func_code_string: #include <bits/stdc++.h>   using namespace std;   using namespace std::chrono;   int main() {     string s;     cin >> s;     string ans;     bool found{false};     for (int i = 0; i < (int)s.size(); i++) {       if ((i == (int)s.size() - 1) && !found) continue;       if (s[i] ==  1  || found)         ans += s[i];       else         found = true;     }     cout << ans <<   n ;     return 0;   }   