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26 lines
825 B
Python
26 lines
825 B
Python
class Solution(object):
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def lengthOfLongestSubstring(self, s):
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"""
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:type s: str
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:rtype: int
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"""
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letters = [x for x in s]
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longestLength = 1
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if len(letters) == 0: return 0
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for i in range(len(letters)):
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dictionary = {}
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for j in range(i, len(letters)):
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if dictionary.get(letters[j]) == None:
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dictionary[letters[j]] = 0
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else:
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if j-i > longestLength:
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longestLength = j-i
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break
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if j == len(letters) - 1:
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if j-i+1 > longestLength:
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longestLength = j-i+1
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return longestLength
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return longestLength |