11 lines
260 B
Python
11 lines
260 B
Python
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class Solution:
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def removeDuplicates(self, nums: List[int]) -> int:
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k = {}
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cnt = 0
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for num in nums:
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if num not in k:
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nums[cnt] = num
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cnt += 1
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k[num] = 1
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return cnt
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