combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:54:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
54 | if(tmp == ans.size() + 0) ans += v[2];
| ~~~~^~~~~~~~~~~~~~~~~
combo.cpp:55:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
55 | if(tmp == ans.size() + 1) ans += v[0];
| ~~~~^~~~~~~~~~~~~~~~~
combo.cpp:56:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
56 | if(tmp == ans.size() + 2) ans += v[1];
| ~~~~^~~~~~~~~~~~~~~~~
combo.cpp:60:9: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
60 | if(tmp == ans.size() + 1){
| ~~~~^~~~~~~~~~~~~~~~~
combo.cpp:63:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
63 | if(tmp == ans.size() + 1) ans += v[0];
| ~~~~^~~~~~~~~~~~~~~~~