Python, for rare elements to remove


  • 0
    Q
    class Solution(object):
        def removeElement(self, nums, val):
            """
            :type nums: List[int]
            :type val: int
            :rtype: int
            """
            length = len(nums)
            n=0
            while n<length:
                if nums[n] == val:
                    nums[n] = nums[length-1]
                    length -= 1
                    n -= 1
                n += 1
                   
            return length

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