Compilare: main.cpp: In function 'int Afisare6(node*)': 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=1; i<v.size(); ++i) | ~^~~~~~~~~ main.cpp:30:11: warning: unused variable 'aux1' [-Wunused-variable] 30 | node* aux1; | ^~~~ main.cpp:31:11: warning: unused variable 'aux2' [-Wunused-variable] 31 | node* aux2; | ^~~~ main.cpp: In function 'int main()': main.cpp:291:9: warning: unused variable 'q' [-Wunused-variable] 291 | int q; | ^