5-Line C# Solution by array.copy

  • 2
    public void Rotate(int[] nums, int k) {
        k %= nums.Count();
        int[] tmp = new int[k];
        Array.Copy(nums, nums.Count() - k, tmp, 0, k);
        Array.Copy(nums, 0, nums, k, nums.Count() - k);
        Array.Copy(tmp, 0, nums, 0, k);

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