Question

Building A is 54.727 metres tall and Building B is
16.819 metres shorter than Building A. What is the
height of Building B?
m​

Answer 1

Answer:

Rearrange an array in order – smallest, largest, 2nd smallest, 2nd largest, ..

Given an array of integers, task is to print the array in the order – smallest number, Largest number, 2nd smallest number, 2nd largest number, 3rd smallest number, 3rd largest number and so on…..

Examples:

Input : arr[] = [5, 8, 1, 4, 2, 9, 3, 7, 6]

Output :arr[] = {1, 9, 2, 8, 3, 7, 4, 6, 5}

Input : arr[] = [1, 2, 3, 4]

Output :arr[] = {1, 4, 2, 3