/in/foo.cc:1:24: warning: extra tokens at end of #include directive
    1 | #include<bits/stdc++.h>;
      |                        ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:17:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |                 for(int i=0;i<st.size();i++)
      |                             ~^~~~~~~~~~
/in/foo.cc:18:44: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |                         if(st[i]>st[i+1]&&i!=st.size()-1)
      |                                           ~^~~~~~~~~~~~~