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)
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)
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Kathryn DiPippo -
Federico Trotta -
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Latest comments (1)
Interesting... And it's fast...