题解 | #农场牛的标识II#
农场牛的标识II
https://www.nowcoder.com/practice/a69dc54eeffa43218d06f62cc733c6c0
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# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
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# @param nums int整型一维数组
# @return int整型
#
class Solution:
def singleNumberII(self , nums: List[int]) -> int:
# write code here
one=0
two=0
for num in nums:
one = (one^num) & ~two
two = (two^num) & ~one
return one
