How can i get the Parent in Binary tree
问题 How can i get the Parent in Binary tree in this code ? I wrote this : public class Node { public string state; public Node Left; public Node Right; public Node (string s , Node L , Node R ) { this.state = s; this.Right = R; this.Left = L; } public Node (string s) { this.state = s; this.Right = null; this.Left = null; } } And code this for tree of some data : 1 2 Now , how can i get the parent of Node like ( new Node("22lltrk", null, null) ) what i need to add to my code and where ? thanks .