Leetcode Everyday: 1720. Decode XORed Array. Easy

public class Solution {
    public int[] Decode(int[] encoded, int first) {
        var list = new List<int>();
        var hidden = first;
        list.Add(hidden);
        foreach (var enc in encoded) {
            hidden ^= enc;
            list.Add(hidden);
        }
        return list.ToArray();
    }
}

Source: https://leetcode.com/problems/decode-xored-array/