[LeetCode] Rotated Sorted Array II

 1 public class Solution {
 2     public boolean search(int[] A, int target) {
 3         int low=0, high=A.length-1;
 4         while (low<high) {
 5             int mid=(low+high)/2;
 6             if (A[low]==A[mid] && A[mid]==A[high]) {
 7                 low++;
 8                 high--;
 9             } else if (A[mid]<=A[high]) {
10                 if (A[mid]<target && A[high]>=target) low=mid+1;
11                 else high=mid;
12             } else if (A[low]<=A[mid]) {
13                 if (A[low]<=target && A[mid]>=target) high=mid;
14                 else low=mid+1;
15             } 
16         }
17         
18         if (A[low]==target) return true;
19         else return false;
20     }
21 }