DMOJ
LeetCode
HackerRank
Codewars
Codechef
CodeSignal
CodeForces
Project Euler
Coderbyte
LeetCode
HackerRank
CodeSignal
Codewars
Codechef
AlgoExpert.io
Codility
CoderbyteCoderbyte might be a bit more popular than DMOJ. We know about 13 links to it since March 2021 and only 11 links to DMOJ. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
For CS, you'll have a headstart if you have a bit of experience with Python and problem-solving. Search around for basic material on Python and if you have the time, attempt some problems on https://dmoj.ca/. Source: 10 months ago
Dmoj.ca ! It's meant more so for competitive coding but some of the problem sets they have fall under the Cryptography category. Source: 12 months ago
The first type of practice is general problem solving. This is where you build up a strong intuition of problem and develop general problem solving techniques (but not memorising a huge list of techniques). Of course, the only way to improve is to do lots of problems / contests. For those who are more interested in competitive programming, I really like dmoj.ca (they host contests there as well, sometimes I author... Source: over 1 year ago
Personally, I’ve heard good stuff about DMOJ https://dmoj.ca/ Hope it helps :). Source: over 1 year ago
Sign up for an account on dmoj.ca or similiar online judge website and do the problems there. They have ccc problems and waaay more that you can get your solutions judged instantly. Source: almost 2 years ago
The resources others have shared here are great. Doing coding challenges can also be helpful (I find it helpful, anyway). Something like CoderByte might be useful. Source: over 1 year ago
Technical Assessments & Interviews FOR DEVELOPERS Improve your coding skills. The industry’s #1 website for technical interview prep, coding challenges, and expert videos. Try a free challenge → or Learn more FOR ORGANIZATIONS Interview and evaluate candidates. The industry’s #1 code assessment platform for assessments, live interviews, and take-home projects. Learn more → Https://coderbyte.com/. - Source: dev.to / over 1 year ago
Https://coderbyte.com has a free course on DSA. Source: over 1 year ago
Coderbyte - Programming challenges and specific routes to help learn specific skills. - Source: dev.to / about 2 years ago
• https://coderbyte.com => Some of the courses and challenges on Coderbyte are free.(practice programming and improve your coding skills). Source: over 2 years ago
LeetCode - Practice and level up your development skills and prepare for technical interviews.
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Codewars - Achieve code mastery through challenge.
CodeSignal - CodeSignal is the leading assessment platform for technical hiring.
Codechef - CodeChef is a not-for-profit educational initiative by Directi, an Indian software company. It is a global programming community that fosters learning and friendly competition, built on top of the world’s largest competitive programming platform.
CodeForces - Programming competitions and contests, programming community.