Compilare: main.cpp: In constructor 'SplayTree::node::node(const std::pair<int, int>&, SplayTree::node*, SplayTree::node*, SplayTree::node*)': main.cpp:18:30: warning: 'SplayTree::node::parent' will be initialized after [-Wreorder] node *left, *right, *parent; ^~~~~~ main.cpp:18:15: warning: 'SplayTree::node* SplayTree::node::left' [-Wreorder] node *left, *right, *parent; ^~~~ main.cpp:19:9: warning: when initialized here [-Wreorder] node(const pair <int, int> &vl = make_pair(0, 0), node* p = nullptr, node* l = nullptr, node* r = nullptr) : value(vl), parent(p), left(l), right(r) {} ^~~~