0ms Java clean solution


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

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