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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 if(nums.size()==0||nums.size()==1) return nums.size(); 5 int dup=1; 6 int index=1; 7 for(int i=1;i<nums.size();i++) 8 { 9 if(nums[i]==nums[i-1]) 10 dup++; 11 else 12 dup=1; 13 14 nums[index]=nums[i]; 15 if(dup<=2) 16 index++; 17 } 18 return index; 19 } 20 };
【leetcode】Remove Duplicates from Sorted Array II
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原文地址：http://www.cnblogs.com/jawiezhu/p/4481223.html
