Find Minimum in Rotated Sorted Array 2
Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand.
(i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2).
Find the minimum element.
The array may contain duplicates.
Solution
public class Solution {
    public int findMin(int[] nums) {
        int l = 0, r = nums.length - 1;
        while(l < r) {
            int mid = (l + r) / 2;
            if(nums[mid] < nums[r])
                r = mid;
            else if(nums[mid] > nums[r])
                l = mid + 1;
            else
                r --;
        }
        return nums[l];
    }
}