class Solution(object):
def hasAlternatingBits(self, n):
"""
:type n: int
:rtype: bool
"""
s = bin(n)
return '00' not in s and '11' not in s
1 bin(a)就是得到一个string
2 alternating bits就是说没有连续的‘00’,也没有连续的‘11’
class Solution(object):
def hasAlternatingBits(self, n):
"""
:type n: int
:rtype: bool
"""
s = bin(n)
return '00' not in s and '11' not in s
1 bin(a)就是得到一个string
2 alternating bits就是说没有连续的‘00’,也没有连续的‘11’