Compilare: main.cpp: In function 'int main()': main.cpp:55:34: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for (int i = a.size(); i < b.size(); i++) { | ~~^~~~~~~~~~ main.cpp: In function 'll pozitie(char)': main.cpp:27:1: warning: control reaches end of non-void function [-Wreturn-type] 27 | } | ^