Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question: Party budget planning - complex
Prompt the user to enter their current budget and the number of people who need to share a meal.
You are ordering food from a restaurant that has two menu items:
-
Tacos $4
-
Empanadas $3
Calculate and print out all the options of meals where the budget is used entirely(where possible) and each person has an equal number of items to eat. They may eat different things, but everyone gets the same number of food items, e.g. 2 tacos or 1 empanada and 1 taco or 2 empanadas.
Hints: Here are some things that might help you in your solution.
- If total items purchased does not equally divide by the number of diners, then abandon that combination.
- It may help to calculate the max number of empanadas that the budget can buy and also the max number of tacos that the budget could buy. These can be thought of as upper bounds in your loops.
- In your solution, keep track of items per person
- Also, keep track of total number of viable solutions, as that might help you determine when there is no solution.
Transcribed Image Text:Enter budget for meal: $100
How many people are eating: 6
Meal options:
$98 buys 22 empanadas and 8 tacos with $2 change.
5 items per person.
$99 buys 21 empanadas and 9 tacos with $1 change.
5 items per person.
$100 buys 20 empanadas and 10 tacos without change. 5 items per person.
or
Enter budget for meal: $33
How many people are eating: 15
You cannot buy a meal with these options.
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