Your given a sequence of N integers and your task is to find how many positive integers are present in sequence.

Input
First line contains T denoting number of testcases. Each testcase consists of one integer denoting the size of sequence.
The next line contains N space seperated integers.

Output
For each testcase, print the required answer in one line.

Constraints
1 ≤ T ≤ 10
1 ≤ N ≤ 10⁵