Codechef
HackerRank
AlgoExpert.io
CodeForces
LeetCode
Coderbyte
Interview Cake
Codewars
Swapcode AI
CodeConvert
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.
SwapCode AI is a special helper that makes it easy to change one kind of code into another. Imagine if you were playing with blocks, and you wanted to turn a square block into a round oneโit does that for code! It helps developers and teams make their code work in new ways without breaking anything.
It works with lots of different types of code, like the ones used to make websites, games, and apps. For example, if you have a puzzle piece that fits in a Java puzzle but needs to fit in a Python puzzle, SwapCode AI knows how to reshape it perfectly! It even makes sure the new piece is easy to read and use.
SwapCode AI is super smart and fits right into your tools, so you can use it while youโre working without any extra steps. It helps teams work together, even if theyโre using different tools or languages.
Think of SwapCode AI as your super helper for saving time and fixing tricky problems. It can even show you side-by-side pictures of how the code changes, like a before-and-after picture. Itโs great for learning, tooโlike having a teacher explain whatโs happening in simple steps.
You can also make SwapCode AI follow special rules, like making sure all your blocks are the same color or shape. Whether youโre building something new or fixing old things, SwapCode AI makes it all easier and faster!
Codechef Swapcode AINo features have been listed yet.
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Based on our record, Codechef seems to be more popular. It has been mentiond 7 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.
Have you heard of codeforces.com, atcoder.jp, codechef.com, etc? Source: over 2 years 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: over 2 years 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: over 3 years 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: almost 4 years 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: over 4 years ago
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
CodeConvert - CodeConvertโฏAI is a oneโclick, AI powered tool that instantly translates your code across 50+ programming languages no downloads or setup required. Say goodbye to manual rewrites: simply paste your snippet, and get high quality conversions in seconds
AlgoExpert.io - A better way to prep for tech interviews
CodeForces - Programming competitions and contests, programming community.
LeetCode - Practice and level up your development skills and prepare for technical interviews.
Coderbyte - Coderbyte is a place built for anyone to practice and perfect their programming skills.