Question

given an array of items which may contain duplicates the task is to output unique items.

Answer 1

Explanation:

Given an integer array, print all distinct elements in array. The given array may contain duplicates and the output should print every element only once. The given array is not sorted.

Examples:

Input: arr[] = {12, 10, 9, 45, 2, 10, 10, 45}

Output: 12, 10, 9, 45, 2

Input: arr[] = {1, 2, 3, 4, 5}

Output: 1, 2, 3, 4, 5

Input: arr[] = {1, 1, 1, 1, 1}

Output: 1