def binary_search_rotated(nums, target): low = 0 high = len(nums) - 1 while low <= high: mid = low + (high - low) // 2 if nums[mid] == target: return mid if nums[low] <= nums[mid]: if nums[low] <= target and target < nums[mid]: high = mid - 1 else: low = mid + 1 else: if nums[mid] < target and target <= nums[high]: low = mid + 1 else: high = mid - 1 return -1 def main(): nums_list = [[5, 6, 7, 1, 2, 3, 4], [40, 50, 60, 10, 20, 30], [47, 58, 69, 72, 83, 94, 12, 24, 35], [77, 82, 99, 105, 5, 13, 28, 41, 56, 63], [48, 52, 57, 62, 68, 72, 5, 7, 12, 17, 21, 28, 33, 37, 41]] target_list = [1, 50, 12, 56, 5] for i in range(len(target_list)): print((i + 1), ".\tRotated array: ", nums_list[i], "\n\ttarget", target_list[i], "found at index ", \ binary_search_rotated(nums_list[i], target_list[i])) print("-"*100) if __name__ == '__main__': main()