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Remove Duplicates from Sorted Array II

时间:2014-06-04 19:08:32      阅读:374      评论:0      收藏:0      [点我收藏+]

Follow up for "Remove Duplicates":
What if duplicates are allowed at most twice?

For example,
Given sorted array A = [1,1,1,2,2,3],

Your function should return length = 5, and A is now [1,1,2,2,3].

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class Solution {
public:
    int removeDuplicates(int A[], int n) 
    {
        if(n<=2return n;
        
        int index=0;
        int index2=0;
        while(index2<n)
        {
            A[index++]=A[index2++];
            if(index2<n && A[index2]==A[index-1])
                A[index++]=A[index2++];
            while(index2<n && A[index2]==A[index-1])
                index2++;
        }
        return index;
    }
}; 
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Remove Duplicates from Sorted Array II,布布扣,bubuko.com

Remove Duplicates from Sorted Array II

原文:http://www.cnblogs.com/erictanghu/p/3759520.html

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