13 lines
334 B
Python
13 lines
334 B
Python
def largeGroupPositions(self, S):
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res = []
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i = 0
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while i < len(S) - 2:
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if S[i] == S[i + 1] and S[i] == S[i + 2]:
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val = S[i]
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index = i
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while i < len(S) and S[i] == val:
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i += 1
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res.append([index, i - 1])
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i -= 1
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i += 1
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return res |