Subarray Sum Count

You are given an array of integers and a target sum. Your task is to count the number of continuous subarrays that sum up to the target sum. If the array is empty, return 0. Input Format: - The first line contains an integer n, the number of elements in the array. - The second line contains n space-separated integers representing the array elements. - The third line contains the target sum. Output Format: - Print the count of subarrays that add up to the target sum. Example: Input: 5 1 1 1 2 Output: 2