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Kaitian Xie
Kaitian Xie

Posted on • Updated on

LeetCode in Ruby: 26. Remove Duplicates from Sorted Array

def remove_duplicates(nums)
  nums.uniq!
  return nums.length
end

First, use uniq! to remove all the duplicates in nums. Then return its length.

Time complexity: O(n)

Extra memory: O(1)

Discussion (1)

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olimpioadolfo profile image
Olimpio

Interesting... And it's fast...