Q1.Pair Sum You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to return the list of all pairs of elements such ... read more
Q2.Buy and Sell Stock You are Harshad Mehta’s friend. He told you the price of a particular stock for the next ‘N’ days. You can either buy or ... read more
Q3.Delete middle node You have been given a singly Linked List of integers. Your task is to delete the middle node of this List. Note: 1. If th... read more