Problem Description Noah is given an integer array A of length N. He must perform the following operations on the array: * Select any integer pair/s from the given array with their sum equal to 18. * From this selection, choose the pair with the maximum product such that the first

Problem Description You are given an array A of length N. Your task is to find and return an integer value representing the difference between the sum of elements at odd index and XOR of elements at even index. Input Format: * input1: An integer N, representing the length of array.

Problem Description Jack has an array A of length N. He wants to label whether the number in the array is even or odd. Your task is to help him find and return a string with labels "even" or "odd" in sequence according to which the

Problem Description Daniel has a ball. He wants to find the ball's rebound height , which he dropped from height H with an initial velocity V. After the Nth rebound the final velocity of the ball is Vn . Your task is to help him and return an integer value

Problem Description You are given a string S of length N. Your friend wants to know the number of times his favorite letter C occurs in the string. Your task is to help your friend find and return an integer value representing the number of times a character occurs in