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Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Problem, Data Structures and Algorithms, | English | Home Page | Category: Computing | 435 Views, 21356 Search Bots | 74 Words
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Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Problem, Data Structures and Algorithms, | English | Home Page | Category: Computing | 435 Views, 21356 Search Bots | 74 Words
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Hi, here's your problem today. This problem was recently asked by LinkedIn:
You are given a positive integer N which represents the number of steps in a staircase. You can either climb 1 or 2 steps at a time. Write a function that returns the number of unique ways to climb the stairs.
Can you find a solution in O(n) time?
Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Problem, Data Structures and Algorithms, | English | Home Page | Cateogry: Computing | 435 Views, 21356 Search Bots | 74 Words You are given a positive integer N which represents the number of steps in a staircase. You can either climb 1 or 2 steps at a time. Write a function that returns the number of unique ways to climb the stairs.
def staircase(n):
# Fill this in.
print staircase(4)
# 5
print staircase(5)
# 8
Can you find a solution in O(n) time?
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