LeetCode刷题(47)--Gray Code
2017-11-22 22:41
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格雷码,倒序加2**i
class Solution(object): def grayCode(self, n): """ :type n: int :rtype: List[int] """ res = [0] for i in range(n): res += [x + pow(2,i) for x in reversed(res)] return res
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