You have a ticket automat which gives exchange in coins with values 1, 2, 5, 10 and 20. The dispension of the exchange can be seen as a series of coin drops until the right value is dispensed. We say a dispension is optimal when its coin count is minimal for its value. Let M in [1,50] be the price for the ticket T and P in [1,50] the money somebody paid for T, with P >= M. Let D=P-M. We define the benefit of a step as the difference between D and D-c with c the coin the automat dispense in this step. The Greedy Technique for the exchange is the following pseudo algorithmic approach:
You have a ticket automat which gives exchange in coins with values 1, 2, 5, 10 and 20. The dispension of the exchange can be seen as a series of coin drops until the right value is dispensed. We say a dispension is optimal when its coin count is minimal for its value. Let M in [1,50] be the price for the ticket T and P in [1,50] the money somebody paid for T, with P >= M. Let D=P-M. We define the benefit of a step as the difference between D and D-c with c the coin the automat dispense in this step. The Greedy Technique for the exchange is the following pseudo algorithmic approach:
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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You have a ticket automat which gives exchange in coins with values 1, 2, 5, 10 and 20. The dispension of the
exchange can be seen as a series of coin drops until the right value is dispensed. We say a dispension is optimal
when its coin count is minimal for its value.
Let M in [1,50] be the price for the ticket T and P in [1,50] the money somebody paid for T, with P >= M. Let D=P-M.
We define the benefit of a step as the difference between D and D-c with c the coin the automat dispense in this
step.
The Greedy Technique for the exchange is the following pseudo
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