File: root - text - article - 2019 - 11 - get-all-values-at-a-certain-height-in-a-binary-tree.txt.txt
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 | 429 Views, 25627 Search Bots | 81 Words
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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 | 429 Views, 25627 Search Bots | 81 Words
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Hi, here's your problem today. This problem was recently asked by Amazon:
Given a binary tree, return all values given a certain height h.
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 | 429 Views, 25627 Search Bots | 81 Words Given a binary tree, return all values given a certain height h.
Here's a starting point:
class Node():
def __init__(self, value, left=None, right=None):
self.value = value
self.left = left
self.right = right
def valuesAtHeight(root, height):
# Fill this in.
# 1
# / \
# 2 3
# / \ \
# 4 5 7
a = Node(1)
a.left = Node(2)
a.right = Node(3)
a.left.left = Node(4)
a.left.right = Node(5)
a.right.right = Node(7)
print valuesAtHeight(a, 3)
# [4, 5, 7]
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