combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:44:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
44 | if (press(sol + p[0] + sol + p[1]) == sol.size() + 1) {
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
combo.cpp:45:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
45 | if (press(sol + p[0]) == sol.size() + 1)
| ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~