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RemoveDuplicatesfromSortedArrayII.java

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/**

* Created by YGZ on 2016/3/30.

*/

public class RemoveDuplicatesfromSortedArrayII {

public int removeDuplicates(int[] nums) {

if (nums.length<=0) return 0;

int res = 0,flag = 0,tem = nums[0];

for (int i=0;i<nums.length;i++){

if (nums[i]==tem&&flag<=1){

nums[res++] = nums[i];

flag++;

}else if (nums[i]!=tem){

flag = 1;

tem = nums[i];

nums[res++] = nums[i];

}else if (flag>=2&&nums[i]==tem){

continue;

}else{

flag = 0;

}

}

return res;

}

public static void main(String[] args){

RemoveDuplicatesfromSortedArrayII removeDuplicatesfromSortedArrayII = new RemoveDuplicatesfromSortedArrayII();

int[] nums = {1,1,1,1,3,3};

System.out.print(removeDuplicatesfromSortedArrayII.removeDuplicates(nums));

}

}