HackerRank
LeetCode
Codility
CodeSignal
Codewars
HackerEarth
iMocha
Coderbyte
Codechef
LeetCode
AlgoExpert.io
Codewars
CodeForces
Coderbyte
Interview Cake
GeeksforGeeks
CodeChef is a not-for-profit educational initiative started by Directi more than a decade ago. We started with a dream of seeing an Indian team winning a gold medal at the ACM ICPC World Finals. In its quest for the same, CodeChef has built a self-driven community of the world's best programmers. Today more than 1.3 million competitive programmers from 180+ countries learn from CodeChef. CodeChef has been hosting monthly programming contests regularly for 10 years now. Its platform has assessed 92 million+ code submissions to date, and over 30000 organizations are being impacted by CodeCheffers worldwide. It also organizes SnackDown - one of the world's largest global programming competition whose last edition drew participation from 140+ countries. Since 2017, CodeChef has started providing India's only industry-ready certification in Data Structures and Algorithms, and 1800+ programmers have been certified under the same.
HackerRank| Categories |
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| Website | hackerrank.com |
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| Release Date | - |
Codechef| Categories |
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| Website | codechef.com |
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| Release Date | 2009-03-01 |
Based on our record, HackerRank should be more popular than Codechef. It has been mentiond 65 times since March 2021. 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.
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice if anyone know any alternative that works like Working: Gives a challange User sumbits code and it test into testcases. Source: 3 months ago
An effective way to improve your JavaScript skills is working through coding challenges and exercises. Sites like ReviewNPrep, FreeCodeCamp, and HackerRank have tons of challenges that allow you to practice JavaScript concepts by building mini-projects and solving problems. These hands-on challenges force you to apply what you learn. Source: 3 months ago
I'm 18M Indian. Growing up I've always been a daydreamer, if you may. Since 8th grade - I'm fascinated by programming. And I'm good at it too. But I'm not cocky too. I wouldn't say I'm at an advanced level, but I can most probably solve any problem - in time - with my skills. I also keep my skills brushed by solving problems on Hacker Rank (every day or alternate days) and try my best to contribute on... Source: 5 months ago
You can try Jenny's lectures. https://www.youtube.com/playlist?list=PLdo5W4Nhv31a8UcMN9-35ghv8qyFWD9_S if you like classroom style teaching with whiteboard. For programming ,apart from tutorials the thing that helps best is practice , If you want to practice then I recommend hackerrank.com to test your understanding of programming concepts. Source: 10 months ago
I took java 20+ years ago in my first year of my undergrad. All I did to prep for this course was a java refresher on hackerrank.com. Source: 10 months ago
Have you heard of codeforces.com, atcoder.jp, codechef.com, etc? Source: 3 months ago
Leetcode is good to learn basic algorithms because problem statements are usually straightforward. Competitive programming has much wider range of problems. Most popular sites for cp are codeforces.com , atcoder.jp, codechef.com . Source: 3 months ago
Learn Java with hands-on experience. I personally used codingbat.com a lot, but I've heard good things about codechef.com, which appears to even have a competitive option. Source: 12 months ago
For practicing algorithms, use any of the freely available websites like https://hackerrank.com https://codechef.com https://projecteuler.net A structured set of practice problems are available at https://www.interviewbit.com/courses/programming/ Avoid https://geeksforgeeks.org because it has a ton of material but very poor quality control. Source: over 1 year ago
These all have sample problems to solve Hackerrank.com edabit.com codewars.com codechef.com and there are tons more. Best of luck to you. I am at about the same level myself. I really like these sites. Source: about 2 years ago
LeetCode - Practice and level up your development skills and prepare for technical interviews.
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
AlgoExpert.io - A better way to prep for tech interviews
CodeSignal - CodeSignal is the leading assessment platform for technical hiring.
Codewars - Achieve code mastery through challenge.
CodeForces - Programming competitions and contests, programming community.
