password.cpp: In function 'std::string guess(int, int)':
password.cpp:15:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
15 | for(int k=0;k<ans.size();k++){
| ~^~~~~~~~~~~
password.cpp:18:31: 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(query(temp)==temp.size()){
| ~~~~~~~~~~~^~~~~~~~~~~~~
password.cpp:27:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
27 | if(query(temp)==temp.size()){
| ~~~~~~~~~~~^~~~~~~~~~~~~