File: root - text - article - 2019 - 11 - deepest-node-in-a-binary-tree.txt
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Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | English | Home Page | Category: Computing | 400 Views, 20893 Search Bots | 106 Words
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Hi, here's your problem today. This problem was recently asked by Google:
You are given the root of a binary tree. Return the deepest node (the furthest node from the root).
Example:
The deepest node in this tree is d at depth 3.
Here's a starting point:
Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | English | Home Page | Cateogry: Computing | 400 Views, 20893 Search Bots | 106 Words You are given the root of a binary tree. Return the deepest node (the furthest node from the root).
Example:
a
/ \
b c
/
d
The deepest node in this tree is d at depth 3.
Here's a starting point:
class Node(object):
def __init__(self, val):
self.val = val
self.left = None
self.right = None
def __repr__(self):
# string representation
return self.val
def deepest(node):
# Fill this in.
root = Node('a')
root.left = Node('b')
root.left.left = Node('d')
root.right = Node('c')
print deepest(root)
# (d, 3)
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