foo.cc: In function 'void test102()':
foo.cc:37:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
37 | for (int i = 0; i < qw.size(); i++)
| ~~^~~~~~~~~~~
foo.cc:39:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
39 | for (int j = 0; j < f.size(); j++)
| ~~^~~~~~~~~~
foo.cc:50:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
50 | if (count == qw.size())
| ~~~~~~^~~~~~~~~~~~
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