/in/foo.cc: In function 'int main()':
/in/foo.cc:10:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |         for(int i=0;i<=input.size();++i)
      |                     ~^~~~~~~~~~~~~~
/in/foo.cc:12:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |                 if(i == input.size() || input[i] == ' ')
      |                    ~~^~~~~~~~~~~~~~~
/in/foo.cc:21:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |                                 if(i<input.size());
      |                                    ~^~~~~~~~~~~~~
/in/foo.cc:21:33: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   21 |                                 if(i<input.size());
      |                                 ^~
/in/foo.cc:22:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   22 |                                 {
      |                                 ^