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LeetCode#231 Power of Two

时间:2015-07-15 22:27:51      阅读:90      评论:0      收藏:0      [点我收藏+]

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Problem Definition:

  Given an integer, write a function to determine if it is a power of two.

Solution:

class Solution:
    # @param {integer} n
    # @return {boolean}
    def isPowerOfTwo(self, n):
        if n<1:
            return False
        while n!=0:
            if n==1:
                return True
            b=n%2
            if b==1:
                return False
            n=n/2

 

LeetCode#231 Power of Two

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原文地址:http://www.cnblogs.com/acetseng/p/4649516.html

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