combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:46:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
46 | if(x == s.size()){
| ~~^~~~~~~~~~~
combo.cpp:49:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
49 | else if(x == s.size() + 1){
| ~~^~~~~~~~~~~~~~~
combo.cpp:64:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
64 | if(x == s.size()){
| ~~^~~~~~~~~~~
combo.cpp:71:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
71 | if(x == s.size()){
| ~~^~~~~~~~~~~