password.cpp: In function 'std::string guess(int, int)':
password.cpp:16:17: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
16 | while(p.size()>x) p.pop_back();
| ~~~~~~~~^~
password.cpp:29:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
29 | for(int j=l; j<b.size(); ++j) x+=b[j];
| ~^~~~~~~~~
password.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | while(query(x)<x.size()) {
| ~~~~~~~~^~~~~~~~~
password.cpp:35:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
35 | for(int j=l; j<b.size(); ++j) x+=b[j];
| ~^~~~~~~~~