Compilare: main.cpp: In function 'int main()': main.cpp:241:12: warning: unused variable 'val' [-Wunused-variable] 241 | int q, val, n; | ^~~ main.cpp:242:11: warning: unused variable 'nod' [-Wunused-variable] 242 | Node *nod; | ^~~ main.cpp: In member function 'const int rp_heap::top() const': main.cpp:59:21: warning: control reaches end of non-void function [-Wreturn-type] 59 | std::cout << "rp_heap::top() on empty heap"; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~