combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:33:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
33 | for(int d=0;d<p.size();d++) {
| ~^~~~~~~~~
combo.cpp:40:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
40 | if(V == ans.length()) ans += p[2];
| ~~^~~~~~~~~~~~~~~
combo.cpp:41:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
41 | else if(V == ans.length() + 1) ans += p[0];
| ~~^~~~~~~~~~~~~~~~~~~