摘要: class TreeNode: def __init__(self, x): self.val = x self.left = None self.right = Nonea = TreeNode(1)b = TreeNode(2)c = TreeNode(3)a.left = ba.right = 阅读全文
posted @ 2020-06-16 21:39 月为暮 阅读(180) 评论(0) 推荐(0) 编辑