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leetCode-Algorithm
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leetCode-Algorithm
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017Hamming_Distance.py
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master
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leetCode-Algorithm
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017Hamming_Distance.py
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# encoding:utf-8
class Solution(object):
def hammingDistance(self, x, y):
return bin(x^y).count('1')
if __name__ == "__main__":
a = Solution().hammingDistance(4,10)
print(a)
#算法说明:
#首先通过位异或符(^)计算出两个整数的差异xor;
#其次,确定差异xor中的差异个数。
#内置函数count() 方法用于统计字符串里某个字符出现的次数。
#内置函数bin()转换一个整数x为二进制的字符串表示。
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