## Level Order Traversal in Zig Zag pattern OR Print in Spiral Pattern

Objective: Given a binary Tree, Do Level Order Traversal in Zig Zag pattern OR Print in Spiral Input: A Binary Tree Output: Order Traversal in Zig Zag pattern OR Print in Spiral.

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Objective: Given a binary Tree, Do Level Order Traversal in Zig Zag pattern OR Print in Spiral Input: A Binary Tree Output: Order Traversal in Zig Zag pattern OR Print in Spiral.

Objective: Given a Binary tree, find out whether its binary search tree or not. Input: A Binary Tree. Output: True or false based on whether tree is BST ot not. Approach: Method 1 :...

Objective: Given a Binary tree, Find the size of the tree. Note : Size of the tree is number of nodes in the tree Input: A Binary Tree. Output: Size of the tree. Example...

Objective: Given two binary trees, check if one binary tree is a subtree of another Input: Two binary trees Output: True or false based on whether one tree is subtree of another Example :...

Objective: Given a Binary tree (Not binary Search Tree ), Print a path from root to a given node. Input: A binary tree, a node x Output: Path from root to a given node...

Objective: Given a Binary Search tree, find the inorder successor of a node. What is Inorder Successor: Inorder successor of a node is the next node in the inorder traversal of the tree. For...

Algorithms – Inorder Successor in Binary Search Tree Using Parent link Objective: Given a Binary Search tree in which every node has a link to its parent, find the inorder successor of a node....

Algorithms – Inorder Successor in Binary Tree Objective: Given a Binary tree (Not binary Search Tree ), find the inorder successor of a node. What is Inorder Successor: Inorder successor of a node is...

Objective: Given a sorted array with unique elements, Create a binary search tree with minimal height. Why minimal height is important : We can do the linear scan to the array and make the...

Objective: Given a Binary tree create Linked Lists of all the nodes at each depth , say if the tree has height k then create k linked lists. NOTE : This problem is very...

Objective: Given a Binary tree , Print each level of a tree in separate line. NOTE : This problem is very similar ” Create Linked Lists of all the nodes at each depth “...

Objective: Given a binary tree, Find whether if a Given Binary Tree is Balanced? What is balanced Tree: A balanced tree is a tree in which difference between heights of sub-trees of any node...

Objective: Given a binary tree, find the height of a given node in the tree. Input: A Binary Tree and a node Output: Height of a given node in the tree. Example: Approach:

Objective: Given a binary tree, find the height of it Input: A Binary Tree Output: Height of a binary tree Example: Approach:

This post is the extension of our earlier post Reverse a linked list. Here We have provided the better recursive solution in which we start reversing the list from the end. Objective: Reverse the...

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