Given a sorted and rotated array A of N distinct elements which is rotated at some point, and given an element K. The task is to find the index of the given element K in the array A.
The first line of the input contains an integer T, denoting the total number of test cases. Then T test cases follow. Each test case consists of three lines. First line of each test case contains an integer N denoting the size of the given array. Second line of each test case contains N space separated integers denoting the elements of the array A. Third line of each test case contains an integer K denoting the element to be searched in the array.
Corresponding to each test case, output the index of the element found in the array. If element is not present, then output -1.
1 ≤ T ≤ 100
1 ≤ N ≤ 107
0 ≤ Ai ≤ 108
1 ≤ K ≤ 108
5 6 7 8 9 10 1 2 3
3 1 2
3 5 1 2
Testcase 1: 10 is found at index 5.
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