Is there any restriction on the input like they are in given range ? On Sep 11, 11:10 pm, Neha Singh <neha.ndelhi.1...@gmail.com> wrote: > You are given an array that contains integers. The integers content is such > that every integer occurs 3 times in that array leaving one integer that > appears only once. > Fastest way to find that single integer > eg: > Input: [2,1,4,5,1,4,2,2,4,1] > Answer: 5 > > The solution must be of O(n) time and O(1) space
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