Write a function to find the maximum sum of a subarray within a given array of integers. The subarray should be contiguous, meaning the elements are adjacent to each other in the array. For example, given the array [-2, 1, -3, 4, -1, 2, 1, -5, 4], the maximum sum of a subarray is 6, which corresponds to the subarray [4, -1, 2, 1]. Write a function named maxSubarraySum that takes an array of integers as input and returns the maximum sum of a subarray. Note: If all the elements in the array are negative, the function should return 0. Example: Input: [-2, 1, -3, 4, -1, 2, 1, -5, 4] Output: 6 Input: [-1, -2, -3, -4] Output: 0 Write the maxSubarraySum function that solves this problem efficiently.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Write a function to find the maximum sum of a subarray within a given array of integers. The subarray should be contiguous, meaning the elements are adjacent to each other in the array.

For example, given the array [-2, 1, -3, 4, -1, 2, 1, -5, 4], the maximum sum of a subarray is 6, which corresponds to the subarray [4, -1, 2, 1].

Write a function named maxSubarraySum that takes an array of integers as input and returns the maximum sum of a subarray.

Note: If all the elements in the array are negative, the function should return 0.

Example:

Input: [-2, 1, -3, 4, -1, 2, 1, -5, 4] Output: 6

Input: [-1, -2, -3, -4] Output: 0

Write the maxSubarraySum function that solves this problem efficiently.

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