C# || Simple solution
Code\n\npublic class Solution {\n    public int MinImpossibleOR(int[] nums) {\n        int res = 1;\n        \n        while (nums.Contains(res))\n            r
# Code\n```\npublic class Solution {\n    public int MinImpossibleOR(int[] nums) {\n        int res = 1;\n        \n        while (nums.Contains(res))\n            res <<= 1;\n        \n        return res;\n    }\n}\n```
['C#']