Compilare: main.cpp: In constructor 'CustomStringComparator::CustomStringComparator(const std::string&)': main.cpp:7:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 7 | for (int i = 0; i < order.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:36:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for (int i = 0; i < semne.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp:37:30: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | base_num[semne[i]] = i; | ^ main.cpp:44:50: warning: array subscript has type 'char' [-Wchar-subscripts] 44 | nr = nr * 12 + base_num[cuvant[i]]; | ^