Compilare: user.cpp: In constructor ‘Container::Container(uint)’: user.cpp:51:13: warning: ‘Container::size’ will be initialized after [-Wreorder] size, ^ user.cpp:50:13: warning: ‘uint* Container::arr’ [-Wreorder] uint *arr, ^ user.cpp:16:7: warning: when initialized here [-Wreorder] Container( uint _size ) ^ user.cpp: In function ‘std::ostream& operator<<(std::ostream&, const Container&)’: user.cpp:36:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < obj.size; ++i) ^ user.cpp: In function ‘int main()’: user.cpp:120:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int elem, i = 0; i < size; ++i) fin>>elem, obj.add_to_container( elem ); ^