leetcode.array--80. Remove Duplicates from Sorted Array II

题目：80. Remove Duplicates from Sorted Array II

题目链接：https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii/description/

从给定的有序数组中移除重复元素，每个元素最多可以出现两次。

Python：

class Solution(object):    def removeDuplicates(self, nums):        """        :type nums: List[int]        :rtype: int        """        length=len(nums)        if length<3:            return length        cur,cnt = 0,1        for i in range(1,length):            if nums[i]==nums[cur]:                if cnt<2:                    cur+=1                    cnt+=1                    nums[cur]=nums[i]                    continue                else:                    continue            else:                cur+=1                nums[cur]=nums[i]                cnt=1        return cur+1