combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
25 | if(press(cur) >= res.size() + 1){
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~
combo.cpp:26:33: 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(press(res + "A") == res.size() + 1) res += "A";
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
combo.cpp:30:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | if(press(res + "X") == res.size() + 1) res += "X";
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~