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cui-z / LeetCode Public

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LeetCode

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只出现一次的数字1.py

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10 lines (7 loc) · 203 Bytes

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LeetCode

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只出现一次的数字1.py

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10 lines (7 loc) · 203 Bytes

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'''

给一个数组除了某个元素出现一次其余元素都是出现两次

找出出现一次的元素

'''

def slove(nums):

return sum(set(nums))*2 - sum(nums)

print(slove([2,3,3,6,6,4,4]))

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