combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:17:23: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
17 | while(temp.size() != n){
| ~~~~~~~~~~~~^~~~
combo.cpp:21:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
21 | if(press(temp + chars[i]) == temp.size()+1)
| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
combo.cpp:28:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | if(press(temp + chars[i]) == temp.size()+1)
| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~