1.3 Calculate maximum subarray sum Given an array of numbers, find the maximum sum of any contiguous subarray of the array. For example, given the array [34, -50, 42, 14, -5, 861, the maximum sum would be 137, since we would take elements 42, 14, –5, and 86. Given the array [-5, -1, -8, -91, the maximum sum would be 0, since we would choose not to take any elements. Do this in O(n) time. Follow-up: What if the elements can wrap around? For example, given [8, -1, 3, 41, return 15, as we choose the numbers 3, 4, and 8 where the 8 is obtained from wrapping around.
1.3 Calculate maximum subarray sum Given an array of numbers, find the maximum sum of any contiguous subarray of the array. For example, given the array [34, -50, 42, 14, -5, 861, the maximum sum would be 137, since we would take elements 42, 14, –5, and 86. Given the array [-5, -1, -8, -91, the maximum sum would be 0, since we would choose not to take any elements. Do this in O(n) time. Follow-up: What if the elements can wrap around? For example, given [8, -1, 3, 41, return 15, as we choose the numbers 3, 4, and 8 where the 8 is obtained from wrapping around.
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
Section: Chapter Questions
Problem 1PE
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