/in/foo.cc: In function 'int main()':
/in/foo.cc:19:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |         for (int i = 0; i < str.length(); i++)
      |                         ~~^~~~~~~~~~~~~~
/in/foo.cc:22:46: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |                         for (j = 0, k = i; j < s0.length(); j++, k++)
      |                                            ~~^~~~~~~~~~~~~
/in/foo.cc:25:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |                         if(j == s0.length() && (k == str.length() || str[k] == ' ')) {
      |                            ~~^~~~~~~~~~~~~~
/in/foo.cc:25:51: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |                         if(j == s0.length() && (k == str.length() || str[k] == ' ')) {
      |                                                 ~~^~~~~~~~~~~~~~~
/in/foo.cc:33:39: warning: 'p' may be used uninitialized [-Wmaybe-uninitialized]
   33 |                 cout << ans << " " << p <<endl;
      |                                       ^
/in/foo.cc:14:22: note: 'p' was declared here
   14 |         int ans = 0, p;
      |                      ^