combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:54:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
54 | if(ans==s.size())
| ~~~^~~~~~~~~~
combo.cpp:56:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
56 | else if(ans==s.size()+1)
| ~~~^~~~~~~~~~~~
combo.cpp:63:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
63 | if(ans==s.size())
| ~~~^~~~~~~~~~
combo.cpp:65:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
65 | else if(ans==s.size()+1)
| ~~~^~~~~~~~~~~~
combo.cpp:72:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
72 | if(ans==s.size())
| ~~~^~~~~~~~~~
combo.cpp:74:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
74 | else if(ans==s.size()+1)
| ~~~^~~~~~~~~~~~
combo.cpp:81:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
81 | if(ans==s.size())
| ~~~^~~~~~~~~~
combo.cpp:83:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
83 | else if(ans==s.size()+1)
| ~~~^~~~~~~~~~~~