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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.
1 class Solution { 2 public: 3 int removeDuplicates(vector<int>& nums) { 4 int len = nums.size(); 5 if(!len) return len; 6 int count = 1, flag = 0; 7 for(int i = 1; i < len; i++) { 8 if(nums[i] == nums[i - 1]) { 9 count++; 10 } else count = 1; 11 if(count < 3) nums[++flag] = nums[i]; 12 } 13 return flag + 1; 14 } 15 };
(leetcode) Remove Duplicates from Sorted Array II
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原文地址：http://www.cnblogs.com/chdxiaoming/p/4747290.html
