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104 Maximum Depth of Binary Tree

104 Maximum Depth of Binary Tree

作者: Closears | 来源:发表于2015-08-02 10:56 被阅读10次

原题链接:Maximum Depth of Binary Tree
非常简单的一道题,代码如下:

# Definition for a binary tree node.
# class TreeNode:
#     def __init__(self, x):
#         self.val = x
#         self.left = None
#         self.right = None

class Solution:
    # @param {TreeNode} root
    # @return {integer}
    def maxDepth(self, root):
        if root is None:
            return 0
        l = self.maxDepth(root.left) + 1
        r = self.maxDepth(root.right) + 1
        return l if l >= r else r

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