Retrieve back the Array

Dazzler had an array of $N$ **distinct** non-negative integers. Somehow he lost the array, but he knows the [bitwise XOR](https://en.wikipedia.org/wiki/Bitwise_operation#XOR) of all the elements in the array. You have to help him to retrieve the array. You are given two positive integers $N$ and $X$. Construct an array $A$ of $N$ elements with the following conditions: - For each $i$ ($1 \le i \