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Subarrays with given sum
##### Submissions: 5127   Accuracy: 26.58%   Difficulty: Easy   Marks: 2

Given an unsorted array arr[] of N integers and a sum. The task is to count the number of subarrays which add to a given number.

Input:
The first line of input contains an integer T denoting the number of test cases. Then T test cases follow. Each test case contains an integer N denoting the size of the array. The next line contains N space separated integers forming the array. The last line contains an integer denoting the value of the sum.

Output:
Print the count of the subarray which adds to the given sum.

Constraints:
1 <= T <= 200
1 <= N <= 105
-105 <= arr[i] <= 105
-105 <= sum <= 105

Example:
Input:

2
5
10 2 -2 -20 10
-10
6
1 4 20 3 10 5
33

Output:
3
1

Explanation:
Testcase 1:
Subarrays with sum -10 are: [10, 2, -2, -20], [2, -2, -20, 10] and [-20, 10].

#### ** For More Input/Output Examples Use 'Expected Output' option **

Contributor: Ayush Govil
Author: Ayush Govil 1

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