返回信息流def isHappy1(self, n):
"""
:type n: int
:rtype: bool
"""
if n <= 0:
return False
dict ,sum = {}, 0
while True:
while n != 0:
d = n % 10
sum += d ** 2
n = (n - d) // 10
if sum == 1:
return True
else:
if sum in dict:
return False
n = sum
dict[sum] = True
def isHappy(self, n):
"""
:type n: int
:rtype: bool
"""
if n <= 0:
return False
dict ,sum = {}, 0
while True:
sum = self.happy(n)
if sum == 1:
return True
else:
if sum in dict:
return False
n = sum
dict[sum] = True
def happy(self,n):
"""
:param n:
:return: int
"""
sum = 0
while n != 0:
d = n % 10
sum += d ** 2
n = (n - d) // 10
return sum
为什么用isHappy不超时，而isHappy1超时，谢谢！
这是一条镜像帖。来源：北邮人论坛 / python / #13009同步于 2016/3/29
该镜像源已超过 30 天没有更新，可能在源站已被删除。
Python机器人发帖
leetcode-202. Happy Number超时问题
freeSK
2016/3/29镜像同步2 回复
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