Question: Write a recursive function in Scheme that takes a list as a parameter using only the methods car and cdr and possibly a helper function

Write a recursive function in Scheme that takes a list as a parameter using only the methods car and cdr and possibly a helper function pattern that returns the size of the list.

Example: (length '(x y z)) should output 3.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

project - 6 d You are given a puzzle consisting of a row of squares that contain nonnegative integers, with a zero in the rightmost square. Keep in mind that it's possible for other squares to...

do questions 3,4,5 in first two pictures, do code in rest of pictures, run in Lab5Tester java elements long 3. In IntegerLinkedList.java test and implement the next two functions (one at a time)...

help me!!!!!use R5RS pls! Remember: . (car ) returns the "back" of the list as a list o (cdr '(1 2 3 4)) + '(2 3 4) Part A: Using car and cdr, write a function called get-second-item that takes a...

use R5RS solve Part C,Thank u very much! Part C: Use car and cdr to write a recursive function that returns a naive count of the items in the list. Naive here means we won't count items contained in...

Java code please import java.util.Queue; import java.util.Stack; public class Recursion { /** * Write a recursive function that finds the index of s2 in s1. Do not use any * string functions except...

Homework 3 must be submitted electronically. Your submission must include 2 files: 1.) The source code in R5RS 2.) 1 - 2 page description of your algorithm and its complexity as an ACII text...

CSE 240 Homework 9: C++ Class and Input/Output Fall 2017 (50 points) Due Saturday, October 21, 2017 at 11:59PM, plus a 24-Hour grace period Introduction The aim of this assignment is to make sure...

help me to solve this program use R5RS,Thank u ! Remember: . (car ) returns the "back" of the list as a list o (cdr '(1 2 3 4)) + '(2 3 4) Part A: Using car and cdr, write a function called...

I really need help to solve this program,pls help me to solve this use R5RS,It is better to have notes. Remember: . (car ) returns the "back" of the list as a list o (cdr '(1 2 3 4)) + '(2 3 4) Part...

Your job is to follow the instructions given in the comments of the hw09.cpp and Pet.cpp files to complete the missing parts of the project in just those two files so that the program executes...

Evaluate the following derivatives: (a) d / dt [u(t - 1) u(t + 1)] (b) d /dt [r(t - 6) u(t - 2)] (c) d /dt [sin 4tu(t - 31)]

John, Doe, and their friend, Johnny, went out to celebrate a new promotion that John had just received the week before. They wanted to go out, have drinks, and play pool. While playing pool, Johnny...

Inoculation Theory predicts that if someone has been first given a counterargument for an idea, they will become more resistant to that idea. True False

How did Target Canada experience bankruptcy in January 2015? Provide three to five key points about it and reflect on the relevance of this situation in the market.

2-5 How could information systems be used to support the order fulfillment process illustrated in Figure 2.1? What are the most important pieces of information these systems should capture? Explain...

3. Should all companies implement internal enterprise social networks? Why or why not? Social networking has never been more popular, with social tools accounting for 20 percent of all online...

2. How do systems serve the different management groups in a business and how do systems that link the enterprise improve organizational performance?