12 lines
284 B
Python
12 lines
284 B
Python
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class Solution:
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def convertToBase7(self, num: int) -> str:
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sign = '-' if num < 0 else ''
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num = abs(num)
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b7 = ''
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while num > 0:
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b7 = str(num % 7) + b7
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num //= 7
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return '0' if b7 == '' else sign + b7
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