## Find the maximum width of a binary tree

Objective: Given a binary Tree, write an algorithm to find the maximum width. Note: Maximum width of a tree is nothing but the Max(nodes at each level). Input: A Binary Tree Output: Maximum width...

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Objective: Given a binary Tree, write an algorithm to find the maximum width. Note: Maximum width of a tree is nothing but the Max(nodes at each level). Input: A Binary Tree Output: Maximum width...

Objective: Given a sorted(ascending order) arrays of integers, find out the number of occurences of a number in that array Input: A sorted array arrA[] and a number x. Output: number of occurrences of...

Objective: Given an array of integers, find out the first repeated element. First repeated element means the element occurs atleast twice and has smallest index. Input: An Array Output: The first repeated element Examples...

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 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...

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 , 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:

This post is the extension of – Two numbers represented by a linked list, Number Stored in REVERSE order Objective: Two numbers represented by a linked listwhere each node contains single digit. The digits...

We have similar post – Two numbers represented by a linked list, Number Stored in FORWARD order Objective: Two numbers represented by a linked list where each node contains single digit. The digits are...

Objective: Write a program to Reverse the binary representation of a number Example: Input : 30 Output : 15 Explanation: binary representation of 30 is : 11110 reverse of binary representation : 01111 decimal...

Objective: Given a linked list, swap every kth node in that. If at the end of the list remaining nodes are less than k, leave them untouched. Input: A linked list, A number k....

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