Compilare: user.cpp: In function ‘int main()’: user.cpp:95:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < components.size(); ++i) { ^ user.cpp:97:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(components[i].size() > max_size) { ^ user.cpp:103:31: warning: ‘max_comp’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int v:components[max_comp]) { ^