combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:19:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | if(coins==tur.size()){
| ~~~~~^~~~~~~~~~~~
combo.cpp:26:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
26 | if(coins==tur.size()){
| ~~~~~^~~~~~~~~~~~
combo.cpp:32:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
32 | if(coins==tur.size()){
| ~~~~~^~~~~~~~~~~~
combo.cpp:38:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
38 | if(coins==tur.size()){
| ~~~~~^~~~~~~~~~~~