Compilare: main.cpp: In function 'int main()': main.cpp:13:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for(i=0; i<numar.size(); i++) | ~^~~~~~~~~~~~~ main.cpp:28:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for(i=0; i<vec.size(); i++) | ~^~~~~~~~~~~