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Deven
19 lines
473 B
Python
19 lines
473 B
Python
class Solution:
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def isHappy(self, n: int) -> bool:
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def sumSquareDigits(x: int) -> int:
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sum = 0
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while x > 0:
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sum += (x % 10) ** 2
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x = int(x / 10)
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return sum
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used = set({n})
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n = sumSquareDigits(n)
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while n != 1:
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if n in used:
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return False
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used.add(n)
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n = sumSquareDigits(n)
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return True |