combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:9:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
9 | if (press(ans + 'A') > ans.length()) {
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
combo.cpp:12:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
12 | if (press(ans + 'B') > ans.length()) {
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
combo.cpp:15:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
15 | if (press(ans + 'X') > ans.length()) {
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~