13 lines
303 B
Python
13 lines
303 B
Python
class Solution:
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def reverseString(self, s: List[str]) -> None:
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"""
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Do not return anything, modify s in-place instead.
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"""
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i = 0
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j = len(s) - 1
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while i < j:
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s[i], s[j] = s[j], s[i]
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i += 1
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j -= 1
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