Compilare: main.cpp: In function 'int main()': main.cpp:20:13: warning: statement has no effect [-Wunused-value] 20 | for(i; i < numarUnic.size(); ++i) | ^ main.cpp:20:18: 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] 20 | for(i; i < numarUnic.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:40:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int i{}; i < contorNumarUnic.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:52:34: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized] 52 | if(Copy == numarUnic.at(k)) | ^