Given an array of integers, find the maximum sum of any contiguous subarray. Example: Input: [-2,

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
Chapter1: Introduction
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Question:
Given an array of integers, find the maximum sum of any contiguous subarray.

Example:
Input: [-2, 1, -3, 4, -1, 2, 1, -5, 4]
Output: 6 (corresponding to the subarray [4, -1, 2, 1])

Write a function `max_subarray_sum` that takes in an array of integers and returns the maximum sum of any contiguous subarray.

Function signature: `def max_subarray_sum(arr: List[int]) -> int`

 

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