/*
@Copyright:LintCode
@Author:   Monster__li
@Problem:  http://www.lintcode.com/problem/remove-duplicates-from-sorted-array
@Language: Java
@Datetime: 17-03-02 11:26
*/

public class Solution {
    /**
     * @param A: a array of integers
     * @return : return an integer
     */
    public int removeDuplicates(int[] nums) {
        // write your code here
        int i,k,length=nums.length;
  //显示元数组
  /*System.out.println("元数组为:");
  for(i=0;i<length;i++)
  {
   System.out.print(nums[i]+" ");
  }*/
  //找到重复的数字,并将后面所有元素前移一位
  for(i=0;i<length-1;i++)
  {
   if(nums[i+1]==nums[i])
   {
    for(k=i+1;k<length-1;k++)
    {
     nums[k]=nums[k+1];
    } 
    length--;
    nums[k]=-1;
    i--;
   }
  }
  //A[i]=(-1);
  //输出处理后的数组
 // System.out.println("\n处理后的数组为:");
  /*for(i=0;i<length;i++)
  {
   System.out.print(nums[i]);
  }*/
  return length;
    }
}

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