[LeetCode] Remove Duplicates from Sorted Array II

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Well, an extension of Remove Duplicates from Sorted Array.

The program is fairly similar to that in this solution.

1     int removeDuplicates(vector<int>& nums) {
2         if (nums.size() <= 2) return nums.size();
3         int pos = 1;
4         for (int i = 2; i < nums.size(); i++)
5             if (nums[i] != nums[pos] || nums[i] != nums[pos - 1])
6                 nums[++pos] = nums[i];
7         return pos + 1;
8     }

After playing with it for a while, you may notice that the code can be easily extended to accommodate 3, 4, ... duplicates by modifying lines 3, 4, 5 in a similar manner.

[LeetCode] Remove Duplicates from Sorted Array II

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原文地址：http://www.cnblogs.com/jcliBlogger/p/4564646.html