/in/foo.cc: In function 'int main()':
/in/foo.cc:10:19: 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<=s.length();i++)
| ~^~~~~~~~~~~~
/in/foo.cc:12:14: 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==s.length()||s[i]==' ')
| ~^~~~~~~~~~~~
/in/foo.cc:18:17: 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(i<s.length())
| ~^~~~~~~~~~~