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K’th smallest element
     

Given an array and a number k where k is smaller than size of array, the task is to find the k’th smallest element in the given array. It is given that all array elements are distinct.

Input:

First Line of input contains an integer T denoting the 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 size of the array. Second line contains N space separated integer denoting elements of the array. Third line of the test case contains an integer K.

Output:

Corresponding to each test case, print the desired output in a new line.

Constraints:

1<=T<=200
1<=N<=1000
K

Expected Time Complexity: O(n)

Example:

INPUT
2
6
7 10 4 3 20 15
3
5
7 10 4 20 15

4

Output:

7
15

**For More Examples Use Expected Output**


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Result:
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