Compilare: main.cpp: In function 'int Succesor(int, Nod*)': main.cpp:195:17: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null] else return NULL; ^~~~ main.cpp: In function 'int Afisare(int, int, Nod*)': main.cpp:216:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'void Update()': main.cpp:231:14: warning: unused variable 'Copie' [-Wunused-variable] Nod* Copie; ^~~~~ main.cpp: In function 'bool Cautare(int, Nod*)': main.cpp:142:1: warning: control reaches end of non-void function [-Wreturn-type] } ^