Duplicate even elements in an array
Given an array of numbers, write a program to duplicate the even numbers and return the new array. Example: Input: [2, 4, 1, 5, 2, 3, 8, 9, 10, 4] Output: [2, 2, 4, 4, 1, 5, 2, 2, 3, 8, 8, 9, 10, 10, 4, 4] Input: [2, 4, 6, 8] Output: [2, 2, … Read more Duplicate even elements in an array