class Solution:
def isHappy(self, n):
"""
:type n: int
:rtype: bool
"""
s = set()
num = n
while num != 1:
num = self.convert(num)
if num not in s:
s.add(num)
else:
return False
return True
def convert(self, n):
res = 0
while n > 0:
res += (n % 10) ** 2
n = n // 10
print("res is :")
print(res)
return res
leetcode202HappyNumber
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转载自blog.csdn.net/weixin_36149892/article/details/80461950
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