Remove Duplicates from Sorted Array II
题目简述
Follow up for "Remove Duplicates":
What if duplicates are allowed at most twice?
For example,
Given sorted array nums = [1,1,1,2,2,3],
Your function should return length = 5, with the first five elements of nums being 1, 1, 2, 2 and 3. It doesn't matter what you leave beyond the new length.
解题思路
class Solution(object):def removeDuplicates(self, nums):""":type nums: List[int]:rtype: int"""d = {}l = len(nums)if l < 2:return li = 0while True:if i >= l:breakif nums[i] not in d:d[nums[i]] = 1else:d[nums[i]] += 1if d[nums[i]] > 2:nums.remove(nums[i])l -= 1continuei += 1return l转载于:https://www.cnblogs.com/MrLJC/p/4758317.html
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