A28555. 以下代码创建的树是一棵完全二叉树:class TreeNode: def __init__(self, val=0, left=None, right=None): self.val = val self.left = left self.right = right root = TreeNode(1) root.left = TreeNode(2) root.right = TreeNode(…
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以下代码创建的树是一棵完全二叉树:
class TreeNode:
def __init__(self, val=0, left=None, right=None):
self.val = val
self.left = left
self.right = right
root = TreeNode(1)
root.left = TreeNode(2)
root.right = TreeNode(3)
root.left.left = TreeNode(4)选项(单选)
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