Challenges
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Problem Statement
Given an array A of size N and K. count all the number of elements such that A[i] * 2 = K.
Input
The first line of the input contains a single integer T denoting the number of test cases.
The first line of each test case contains two space separated integer N and K respectively.
The second line of each test case contains N space separated integers A[i].
Output
For each test case, print a single line containing count.
Constraints
1 <= T <= 10
1 <= N, K <= 100
1 <= A[i] <= 100
Sample Input
1 7 14 14 37 7 7 7 40 44
Sample Output
3
Dcoded By: Saurav Chandra
Solved By: 923
Maximum Marks: 8
