password.cpp: In function 'std::string guess(int, int)':
password.cpp:22:26: 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(int k=0;k<ans.size();k++){
| ~^~~~~~~~~~~
password.cpp:26:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
26 | if(query(temp)==temp.size()){
| ~~~~~~~~~~~^~~~~~~~~~~~~
password.cpp:34:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
34 | if(query(temp)==temp.size()){
| ~~~~~~~~~~~^~~~~~~~~~~~~