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- class Solution:
- def removeElement(self, nums, val):
- """
- :type nums: List[int]
- :type val: int
- :rtype: int
- """
- #一个变量用来计数,然后遍历原数组,如果当前的值和给定值不同,我们就把当前值覆盖计数变量的位置,并将计数变量加1
- if not nums:
- return 0
- res = 0
- for i in range(0, len(nums)):
- if nums[i] != val:
- nums[res] = nums[i]
- res = res + 1
- return res
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