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T124.java
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35 lines (30 loc) · 864 Bytes
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/**
* @Author:Aliyang
* @Data: Created in 下午9:45 18-6-16
* remove-duplicates-from-sorted-array：我的解法
* 思路：用一个变量记录重复的个数，然后后边的不相等的往前移动
**/
public class T124 {
public int removeDuplicates(int[] A) {
if (A.length==1)
return 1;
int count=0;
for (int i=1;i<A.length;i++){
if (count==0&&A[i]==A[i-1])
count++;
else if (count>0){
if (A[i]==A[i-count-1])
count++;
else {
A[i-count]=A[i];
}
}
}
return A.length-count;
}
public static void main(String[] args){
T124 t=new T124();
int[] A=new int[]{-1,0,0,0,0,3,3};
System.out.println(t.removeDuplicates(A));
}
}