14 lines
381 B
Python
14 lines
381 B
Python
class Solution:
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def sumOfUnique(self, nums: List[int]) -> int:
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set_nums = set()
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set_second = set()
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for i in nums:
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if i in set_nums:
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set_nums.remove(i)
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set_second.add(i)
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else:
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if i not in set_second:
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set_nums.add(i)
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return sum(set_nums) |