[find the vowel in column][1]

[Description

Given an array A with N positive integers. Count the number of subarrays that start with an even number and end with an odd number.

Input First line: Single integer denoting the value of T - the number of test cases.

For each test case:

First line: Single integer denoting the value of N.

Next line: N single space-separated integers denoting the elements of array A.

Constraints:

1 <= T <= 100 1 <= N<= 100

Any array elements is not greater than 100.

Output For each test case, print in a new line, a single integer denoting the number of subarrays. https://replit.com/@Hemant-PratapPr/2darrayiw#hemantpratapsingh.js]