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Database System Concepts
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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An e-commerce company specializes in cards with sports figures on them. Each sport has different categories of cards. For instance, there might be more desirable cards with the most popular sports personalities, others with small pieces of a player's jersey attached, and so on. They have a number of each category of card and want to make some number of packets greater than 1 that each contain equal numbers of each type of card. To do this, they will add more cards of each type until each type can be divided equally among some number of packets. Determine the minimum number of additional cards needed to create a number of packets with equal type distribution. Example n=5 cardTypes = [4, 7, 5, 11, 15] In order to make 2 matching packets, the following numbers of additional cards of each type must be added: [0, 1, 1, 1, 1]. This sums to 4 additional cards. The numbers of cards are [4, 8, 6, 12, 16] and they can be divided evenly among 2 packets. If 3 packets are created, an additional [2, 2, 1, 1, 0] cards are needed, sum = 6 items. This yields quantities [6, 9, 6, 12, 15]. Any number of packets > 2 can be created, but creating 2 packets requires the minimum number of additional cards. Function Description Complete the function cardPackets in the editor below. cardPackets has the following parameter(s): int cardTypes[n]: the quantity available of card type Returns int: the minimum number of additional cards to add Constraints • 1sns10² • 1 ≤ card Types[i] ≤ 500 Input Format For Custom Testing The first line contains an integer, n, the size of the card Types array. Each line / of the n subsequent lines (where Osi<n) contains an integer cardTypes[i].
Transcribed Image Text:An e-commerce company specializes in cards with sports figures on them. Each sport has different categories of cards. For instance, there might be more desirable cards with the most popular sports personalities, others with small pieces of a player's jersey attached, and so on. They have a number of each category of card and want to make some number of packets greater than 1 that each contain equal numbers of each type of card. To do this, they will add more cards of each type until each type can be divided equally among some number of packets. Determine the minimum number of additional cards needed to create a number of packets with equal type distribution. Example n=5 cardTypes = [4, 7, 5, 11, 15] In order to make 2 matching packets, the following numbers of additional cards of each type must be added: [0, 1, 1, 1, 1]. This sums to 4 additional cards. The numbers of cards are [4, 8, 6, 12, 16] and they can be divided evenly among 2 packets. If 3 packets are created, an additional [2, 2, 1, 1, 0] cards are needed, sum = 6 items. This yields quantities [6, 9, 6, 12, 15]. Any number of packets > 2 can be created, but creating 2 packets requires the minimum number of additional cards. Function Description Complete the function cardPackets in the editor below. cardPackets has the following parameter(s): int cardTypes[n]: the quantity available of card type Returns int: the minimum number of additional cards to add Constraints • 1sns10² • 1 ≤ card Types[i] ≤ 500 Input Format For Custom Testing The first line contains an integer, n, the size of the card Types array. Each line / of the n subsequent lines (where Osi<n) contains an integer cardTypes[i].
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