Logo
Home Study Material Contact Search
AI Chat FREE
  1. computer science
  2. programming
  3. develop, write and certify a properly recursive pr

Develop, write and certify a properly recursive procedure reverseDigits to input a positive integer n and to...

Free

50.1K

Verified Solution

Question

Programming

Develop, write and certify a properly recursive procedurereverseDigits to input a positive integer n
and to output the integer formed by reversing the digits of n. Thus(reverseDigits 1234) returns the
integer 4321. Please answer using Dr Racket(R5RS language)

Answer & Explanation Solved by verified expert
4.2 Ratings (807 Votes)

//define the logic first

(define

invert-number-aux (λ (n res)

                  (if (empty? n) res

                      (invert-number-aux

                       (take n (-(length n) 1)) ;new n

                       (append res (list (last n))) ;new res

                       )

                      )))

(define

invert-number (λ (n)

                  (string->number (list->string (invert-number-aux (string->list(number->string n)) '())))

                  ))
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

if you a square that is 3' 5" in width, length and height. How many five...

Basic Math
Q

1- what is the effect of water vapor on the air entering the alveoli?

Medical Sciences
Q

Describe how elements like accountability partners, small groups, daily bible reading, school, and prayer have changed...

Psychology
Q

Research and discuss the similarities and dissimilarities between three types of bar codes. Include in your research/discussion...

General Management
Q

5 How does a solution appear when it is positive for the presence of lipids

Biology
Q

In a study the data you collect is Age in years This data is O...

Statistics
Q

It is believed that 11 of all Americans are left handed A college needs to...

Statistics
Q

1 Classify each of the following equations as to order and degree a 3dy 4xy...

Calculus
Q

Find the surface area of the figure shown below 45 in 3375 cu In the...

Algebra
Q

Express the following invertible matrix A as a product of elementary matrices You can resize...

Algebra
Q

You obtained the following information from a transaction in the Purchases journal: Bill Number 3434...

Accounting
Q

Required information [The following infomation applies to the questions displayed below] Suresh Company reports the...

Accounting