A simple java recursion solution

  • 0
    public boolean isSameTree(TreeNode p, TreeNode q) {
            if(p == null && q == null) return true;
            else if(p == null || q == null) return false;
            return (p.val == q.val)&&isSameTree(p.left, q.left)&&isSameTree(p.right, q.right); 

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