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The Modern C++ Challenge

You're reading from   The Modern C++ Challenge Become an expert programmer by solving real-world problems

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Product type Paperback
Published in May 2018
Publisher Packt
ISBN-13 9781788993869
Length 328 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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Marius Bancila Marius Bancila
Author Profile Icon Marius Bancila
Marius Bancila
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Toc

Table of Contents (15) Chapters Close

Preface 1. Math Problems 2. Language Features FREE CHAPTER 3. Strings and Regular Expressions 4. Streams and Filesystems 5. Date and Time 6. Algorithms and Data Structures 7. Concurrency 8. Design Patterns 9. Data Serialization 10. Archives, Images, and Databases 11. Cryptography 12. Networking and Services 13. Bibliography 14. Other Books You May Enjoy

Problems

1. Sum of naturals divisible by 3 and 5

Write a program that calculates and prints the sum of all the natural numbers divisible by either 3 or 5, up to a given limit entered by the user.

2. Greatest common divisor

Write a program that, given two positive integers, will calculate and print the greatest common divisor of the two.

3. Least common multiple

Write a program that will, given two or more positive integers, calculate and print the least common multiple of them all.

4. Largest prime smaller than given number

Write a program that computes and prints the largest prime number that is smaller than a number provided by the user, which must be a positive integer.

5. Sexy prime pairs

Write a program that prints all the sexy prime pairs up to a limit entered by the user.

6. Abundant numbers

Write a program that prints all abundant numbers and their abundance, up to a number entered by the user.

7. Amicable numbers

Write a program that prints the list of all pairs of amicable numbers smaller than 1,000,000.

8. Armstrong numbers

Write a program that prints all Armstrong numbers with three digits.

9. Prime factors of a number

Write a program that prints the prime factors of a number entered by the user.

10. Gray code

Write a program that displays the normal binary representations, Gray code representations, and decoded Gray code values for all 5-bit numbers.

11. Converting numerical values to Roman

Write a program that, given a number entered by the user, prints its Roman numeral equivalent.

12. Largest Collatz sequence

Write a program that determines and prints which number up to 1 million produces the longest Collatz sequence and what its length is.

13. Computing the value of Pi

Write a program that computes the value of Pi with a precision of two decimal digits.

14. Validating ISBNs

Write a program that validates that 10-digit values entered by the user, as a string, represent valid ISBN-10 numbers.

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