Q1.Move All Negative Numbers To Beginning And Positive To End You are given an array 'ARR' consisting of 'N' integers. You need to rearrange th... read more
Q2.Reverse Linked List Given a singly linked list of integers. Your task is to return the head of the reversed linked list. For example: The gi... read more
Q3.Preorder traversal of a BST You have been given an array/list 'PREORDER' representing the preorder traversal of a BST with 'N' nodes. All th... read more