Welcome to MartinKysel.com
my page dedicated to solutions to various coding challenges in Python, GoLang, and C++.
How To Find A Solution
You can either visit the HackerRank and Codility lists directly or use the search below.
Featured Posts
Verbalize Your Thinking!
Solving new challenges can be hard. The harder it is, the more rewarding a solution feels. Sometimes, solutions written by other people work as a…
What I discovered using a simple challenge during interviews
Can coders code? When I was looking for a simple programming task that I can use to evaluate candidates, I had the following criteria in…
Top 10 FAQs from KubeCon 2019 in San Diego
WHAT DOES NUODB DO? TL;DR: NuoDB is a distributed SQL database. NuoDB is a SQL database, it is fully transactional, fully ACID, and fully consistent. This…
Demystifying Virtual Tables in C++ – Part 1 Trivial Constructors
Introduction This article is part of the C++ Virtual Table Series: Part 1, Part 2, Part 3. Don’t expect this article to be an easy…
Newest Posts in Coding Category
HackerRank ‘sWAP cASE’ Solution
Short Problem Definition: You are given a string and your task is to swap cases. In other words, convert all lowercase letters to uppercase letters and…
HackerRank ‘Time Complexity: Primality’ Solution
Short Problem Definition: A prime is a natural number greater than 1 that has no positive divisors other than 1 and itself. Given n integers, determine the primality of each integer and print whether…
HackerRank ‘Minimum Swaps 2’ Solution
Short Problem Definition: You are given an unordered array consisting of consecutive integers [1, 2, 3, …, n] without any duplicates. You are allowed to swap…
HackerRank ‘Bon Appétit’ Solution
Short Problem Definition: Anna and Brian are sharing a meal at a restaurant and they agree to split the bill equally. Brian wants to order…
HackerRank ‘Sock Merchant’ Solution
Short Problem Definition: John works at a clothing store. He has a large pile of socks that he must pair by color for sale. Given…
HackerRank ‘Drawing Book’ Solution
Short Problem Definition: Brie’s Drawing teacher asks her class to open their books to a page number. Brie can either start turning pages from the…
How To Request A Missing Solution
If you need help with a challenge I have not posted, feel free to reach out via the Disqus comment system or the form below. If you fill out the form, I will reach out to you once I have posted the solution.
As a personal principle, I do not post solutions to ongoing challenges. It will get posted once the challenge is officially over.