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推廣網站開發,包含 Laravel 和 Kotlin 後端撰寫、自動化測試、讀書心得等。Taiwan Kotlin User Group 管理員。

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Hi, here’s your problem today. This problem was recently asked by Amazon:

Given an array of size n, and all values in the array are in the range 1 to n, find all the duplicates.

class Solution(object): def findDuplicates(self, nums): # Fill this in.

print(Solution().findDuplicates([4,3,2,7,8,2,3,1]))

[2, 3]