Check if binary tree is a sum tree
In this tutorial we shall check if the tree is a sum tree or not. Problem Statement: You are given the root node of a binary tree. You need to…
Check if 2 binary tree are identical
In this chapter, we shall see if 2 trees are identical. Problem statement: You are given root node of 2 binary trees, you need to check if 2…
Check if 2 nodes are mirror of each other
In this tutorial we shall see how to check if 2 trees are mirror to each other. Problem Statement: You are given root node of 2 trees. You…
Lowest Common ancestor of a Binary Tree.
In this chapter we shall see how to calculate lowest common ancestor in a binary tree. Problem Statement: You are given root node of a tree…
Diameter of a Binary Tree
In this chapter we shall solve how to find out diameter of a binary tree. Problem statement: You are given root node of a binary tree, you…
Spiral order or Zigzag traversal of a Binary Tree
In this chapter we shall see tree spiral order traversal using 2 stacks. Problem statement: Given a root of the Binary tree, you need to print…
Height or Max depth if a BTree
In this chapter we shall calculate the height of a Binary Tree. Problem Statement: Given the root node of binary tree, calculate the height of…
Vertical Order Traversal
In this tutorial we shall see how to do vertical order traversal. Problem Statement: You are given a root node of a tree, you need to print…
Level Order Traversal
In this tutorial we shall see how to print level by level of the tree nodes. Problem Statement: Given the root node of the tree, print the…
Left view and right view of a Binary Tree
Problem Statement: Given a binary tree, print the left and right view of the tree. For example: If you have a tree as below: The left view…