Compilare: main.cpp: In constructor 'Node::Node(int)': main.cpp:23:9: warning: 'Node::right' will be initialized after [-Wreorder] int right; ^~~~~ main.cpp:21:9: warning: 'int Node::val' [-Wreorder] int val; ^~~ main.cpp:25:5: warning: when initialized here [-Wreorder] Node(int val): left(0), right(0), val(val) ^~~~ main.cpp: In function 'int getNode(int, int)': main.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type] } ^