Write a function that accepts a positive integer array 'price' consisting of 'n' elements as its argument. 'price' contains prices of a share throughout the day in the order of their occurrence. When a new price occurs old price disappears forever. A transaction for the share is complete when firstly the share is bought and then sold. In a transaction where the share is bought at price[j] and sold at price[k], where j

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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I need unique response not plagiarised okk. Don't use AI. I need this query in python.
Write a function that accepts a positive integer array 'price' consisting of 'n'
elements as its argument. 'price' contains prices of a share throughout the day
in the order of their occurrence. When a new price occurs old price disappears
forever. A transaction for the share is complete when firstly the share is bought
and then sold. In a transaction where the share is bought at price[j] and sold at
price[k], where j <k, profit for that transaction = price[k] - price[j]. you can use a
price only once either to buy or sell the share. Implement the function to
maximize the profit in at most 2 transactions and return the same. Transaction 2
starts only when transaction 1 is completed.
Note: If 'price' is empty or none in the case of Python, return -1. Return O, if n < 2. All
calculations lie within the integer range.
Transcribed Image Text:Write a function that accepts a positive integer array 'price' consisting of 'n' elements as its argument. 'price' contains prices of a share throughout the day in the order of their occurrence. When a new price occurs old price disappears forever. A transaction for the share is complete when firstly the share is bought and then sold. In a transaction where the share is bought at price[j] and sold at price[k], where j <k, profit for that transaction = price[k] - price[j]. you can use a price only once either to buy or sell the share. Implement the function to maximize the profit in at most 2 transactions and return the same. Transaction 2 starts only when transaction 1 is completed. Note: If 'price' is empty or none in the case of Python, return -1. Return O, if n < 2. All calculations lie within the integer range.
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