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
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…
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…
Newest Posts in Coding Category
HackerRank ‘Simple Array Sum’ Solution
Short Problem Definition: Given an array of integers, find the sum of its elements. Link Simple Array Sum Complexity: time complexity is O(N) space complexity…
HackerEarth ‘Cells in a matrix’ Solution
Short Problem Definition: You are given an integer N denoting an N×N matrix. Initially, each cell of the matrix is empty. You are given K tasks. In each task, you are…
HackerRank ‘Possible Path’ Solution
Short Problem Definition: Adam is standing at point (a,b) in an infinite 2D grid. He wants to know if he can reach point (x,y) or not. The only operation…
HackerRank ‘Fraudulent Activity Notifications’ Solution
Short Problem Definition: HackerLand National Bank has a simple policy for warning clients about possible fraudulent account activity. If the amount spent by a client…
HackerRank ‘Box It!’ Solution
Short Problem Definition: Design a class named Box whose dimensions are integers and private to the class. … Link Box It! Complexity: Does not apply. Execution: Does…
HackerRank ‘C++ Rectangle Area’ Solution
Short Problem Definition: Create two classes: RectangleThe Rectangle class should have two data fields-width and height of int types. The class should have display() method, to print the width and height of the rectangle separated by space. RectangleAreaThe RectangleArea class…
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.