Starting Out with Python (3rd Edition)
3rd Edition
ISBN: 9780133582734
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 12, Problem 4MC
Program Plan Intro
Problem Solving:
In Python, a problem can be divided into smaller parts only if it has an identical structure to the whole problem. Then, it can be solved using recursion.
Working method of recursive function:
A recursive function has two approaches. They are as follows:
- If a problem can be solved currently without using recursion, then use function to solve it and returns.
- If a problem cannot be solved currently, then the function reduces the problem into smaller parts only if it has a similar structure to the whole program. And the function calls itself to solve the sub-parts.
Problem cases:
In order to apply the above approaches into the program for solving it, then it is important to identify the problem case. There are two cases that are available in problem solving. They are base case and recursive case.
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1.)I have to recursive with python language and was asked to do a buy 2 get 1 free where you have some amount of money(x) each item costs a given amount(y), for each 2 item you get 1 free, builda recursive solution to find out how many items you can buy for x amount of money.
2.) Buy M, get N free
Then alter your first answer to allow for the user to enter any M and N for how many you need to buy to get free items
If your first name starts with a letter from A-J inclusively:
Write a recursive method that takes a string as argument and determines if the string has more vowels than consonants. Test the method by asking the user to enter a string. Hint: Write your recursive method to first count vowels and consonants.
(C PROGRAM ONLY)
1. Undercover Mission Planby CodeChum Admin
Hi Programmer, I'm Agent J.
I'm preparing for an undercover mission going to the enemy's base. However, it seems that my plans are still missing some few details.
Can you help me with this?
Instructions:
In the code editor, there's a main() function that calls the recursive printPlan() function.The printPlan() function already contains some code but it seems to be missing a base case that makes it stop. Supposedly, this printPlan() function should only print the plan by n / 2 number of times. For example, if n is 10, then this should only print the plan 5 times or if n is 20, then this should only print the plan 10 times.Fix this function by adding the correct condition in its base case.For this problem, assume that the value of n is always divisible by 2.Input
1. Value of n
Output
Enter n: 6Plan by Agent J.Plan by Agent J.Plan by Agent J.
Chapter 12 Solutions
Starting Out with Python (3rd Edition)
Ch. 12.2 - It is said that a recursive algorithm has more...Ch. 12.2 - Prob. 2CPCh. 12.2 - What is a recursive case?Ch. 12.2 - What causes a recursive algorithm to stop calling...Ch. 12.2 - What is direct recursion? What is indirect...Ch. 12 - Prob. 1MCCh. 12 - A function is called once from a program's main...Ch. 12 - Prob. 3MCCh. 12 - Prob. 4MCCh. 12 - Prob. 5MC
Ch. 12 - Prob. 6MCCh. 12 - Any problem that can be solved recursively can...Ch. 12 - Actions taken by the computer when a function is...Ch. 12 - A recursive algorithm must _______ in the...Ch. 12 - A recursive algorithm must ______ in the base...Ch. 12 - An algorithm that uses a loop will usually run...Ch. 12 - Some problems can be solved through recursion...Ch. 12 - It is not necessary to have a base case in all...Ch. 12 - In the base case, a recursive method calls itself...Ch. 12 - In Program 12-2 , presented earlier in this...Ch. 12 - In this chapter, the rules given for calculating...Ch. 12 - Is recursion ever required to solve a problem?...Ch. 12 - When recursion is used to solve a problem, why...Ch. 12 - How is a problem usually reduced with a recursive...Ch. 12 - What will the following program display? def...Ch. 12 - Prob. 2AWCh. 12 - The following function uses a loop. Rewrite it as...Ch. 12 - Prob. 1PECh. 12 - Prob. 2PECh. 12 - Prob. 3PECh. 12 - Largest List Item Design a function that accepts a...Ch. 12 - Recursive List Sum Design a function that accepts...Ch. 12 - Prob. 6PECh. 12 - Prob. 7PECh. 12 - Ackermann's Function Ackermann's Function is a...
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