Isomorphic Strings Leetcode Solution

Problem Statement   In this problem, we are given two strings, a and b. Our goal is to tell whether the two strings are isomorphic or not. Two strings are called isomorphic if and only if the characters in the first string can be replaced by any character(including itself) at all …

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Palindrome Linked List Leetcode Solution

In the problem “Palindrome Linked List”, we have to check whether a given singly integer linked list is a palindrome or not. Example   List = {1 -> 2 -> 3 -> 2 -> 1} true Explanation #1: The list is palindrome as all elements from the start and back are …

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Convert a normal BST to Balanced BST

Problem Statement   Given a Binary Search Tree(BST), write an algorithm to convert the BST to a Balanced Binary Search Tree. A balanced Binary Search tree is nothing but a binary search tree whose difference between the height of left subtree and right subtree is less than or equal to 1. …

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Check given array of size n can represent BST of n levels or not

Problem Statement   Given an array with n elements, check given array of size n can represent BST of n levels or not. That is to check whether the binary search tree constructed using these n elements can represent a BST of n levels. Examples   arr[] = {10, 8, 6, 9, …

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A Product Array Puzzle

Problem Statement   In a product array puzzle problem we need to construct an array where the ith element will be the product of all the elements in the given array except element at the ith position. Example   Input  5 10 3 5 6 2 Output Please click Like if you …

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