Height of Binary Tree | GFG|
class Solution { //Function to find the height of a binary tree. int height(Node node) { // code here if(node==null) return 0; Stack<Node> q=new Stack<Node>(); q.add(node); while(!q.isEmpty()) { Node curr=q.peek(); { if(curr.left!=null) { q.add(curr.left); } else if(curr.right!=null) { ...