The reasoning: there’s a simple, naive brute-force solution to this problem. But there’s also another level that involves some level of hashing. If you help guide the candidate effectively, you can learn a lot
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How to prepare Try to solve as many challenges from this list as possible. If you are stuck, use the Discussion and Editorial sections for hints and solutions. Warm-up Challenges New to HackerRank? You can try these easy ones first
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I found the following problem very interesting on a recent Hackerrank contest, I don't get the intuition for what the editorialist states.It would indeed be very helpful if someone helps me understand it. Link to the problem What I got is as follows: ...
This repository contains the problems I solved on LeetCode, GeeksforGeeks, InterviewBit, Codeforces, CodeChef, CSES, AtCoder, HackerRank, HackerEarth, etc., during my journey to improve my Problem Solving and Coding Ability, aiming to become a Proficient Coder. ...
I found the following problem very interesting on a recent Hackerrank contest, I don't get the intuition for what the editorialist states.It would indeed be very helpful if someone helps me understand it. Link to the problem What I got is as follows: ...
And from a learning perspective, Codewars is the best platform out of any of the ones I found (and there are a bunch: HackerRank, Codility, CodeEval).Codewars works through a ranking system. Each problem on Codewars is ranked from 8 Kyu (easy) to 1 Kyu (extremely hard). You have ...
many companies expect their employees have good soft skills, but in the case of software engineers, this is a bit more important than for software developers. For developers’ hard skills verification you can use online code testers like HackerRank. For software engineers, it’s better to use ...
HackerRank Solution: Encryption Generating Huge reports in JasperReports What is the difference between synchronized and ReentrantLock in Java? Name a few commonly used libraries for developing microservices? 20 Java Concurrency Best Practices Every Software Developer Should Know Introduction to the Spring ...