C# Solution

  • 0

    Here is a simple recursive solution in C#:

    public bool IsSameTree(TreeNode p, TreeNode q)
        if (p == null && q == null)
            return true;
        if (p?.val != q?.val)
            return false;
        if (!IsSameTree(p.left, q.left))
            return false;
        if (!IsSameTree(p.right, q.right))
            return false;
        return true;

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