File: root - text - article - 2019 - 10 - longest-sequence-with-two-unique-numbers.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, | English | Home Page | Category: Computing | 517 Views, 19561 Search Bots | 54 Words
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Hi, here's your problem today. This problem was recently asked by Facebook:
Given a sequence of numbers, find the longest sequence that contains only 2 unique numbers.
Example:
Input: [1, 3, 5, 3, 1, 3, 1, 5]
Output: 4
The longest sequence that contains just 2 unique numbers is [3, 1, 3, 1]
Here's the solution signature:
Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, | English | Home Page | Cateogry: Computing | 517 Views, 19561 Search Bots | 54 Words Given a sequence of numbers, find the longest sequence that contains only 2 unique numbers.
Example:
Input: [1, 3, 5, 3, 1, 3, 1, 5]
Output: 4
The longest sequence that contains just 2 unique numbers is [3, 1, 3, 1]
Here's the solution signature:
def findSequence(seq):
# Fill this in.
print findSequence([1, 3, 5, 3, 1, 3, 1, 5])
# 4
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