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Codechef
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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.
LearnerGPT
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Claude Anthropic, FrontEnd tech, BackEnd tech
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-Educators -Higher education professors -Unviersities -students
LearnerGPT's answer
Built for institutional trust, Professor first approach. -Institution Scoped: Your syllabus, papers and data are scoped to your institution only. No cross-institution data sharing. -Professor controlled: Every generated question must be approved by the professor. Zero autonomous release of content to students. -Not Used for Training: Your uploaded syllabi and generated papers are never used to train AI models. Your IP stays yours.
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We do not store your data or use your data to train AI model. No prompt engineering is required and price wise its very cheap as compared to others.
LearnerGPT's answer
Our audience is professor. Today, technology has transformed classrooms. But one thing hasn't changed. Great learning still begins with a great teacher. Yet today's educators spend countless hours creating assessments, formatting documents, and completing repetitive academic work. Those are hours taken away from students. LearnerGPT exists to return those hours. Not by replacing educators. By empowering them. Quietly supporting them โ freeing teachers to inspire, helping students grow, and enabling institutions to deliver better outcomes.
LearnerGPT's answer
Like many of us in the technology industry, I use AI every day. But it made me wonder: how is AI actually being taught and used in colleges today? Are professors using AI in their teaching? If so, how are they using it? And while Tier 1 institutions are rapidly building AI Centers of Excellence, what does the reality look like in Tier 2 and Tier 3 colleges?
These questions led me on a journey to understand the current state of AI adoption in higher education. I wanted to explore how students in smaller citiesโmany of whom may not even have access to paid AI toolsโare learning in a world where AI will define their future. What I discovered revealed a significant gap.
Many educators are still spending a large part of their time on repetitive administrative tasks instead of teaching, mentoring, and driving AI adoption within their institutions. At the same time, students are relying on free AI tools to complete assignments and answer questions, often receiving inaccurate or hallucinated responses without knowing how to validate them.
That research made one thing clear: the challenge isn't simply giving students access to AI. It's about creating an ecosystem where educators are empowered to teach better, students learn responsibly, and institutions can prepare graduates for an AI-first future.
That realization became the foundation of my visionโto build an AI ecosystem that supports every stakeholder in higher education: empowering professors by automating administrative work, enabling students with reliable, curriculum-aware AI learning, and helping institutions strengthen placements by preparing industry-ready talent.
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: about 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
PrepAI - PrepAI offers a smart & easy test creation process backed by advanced AI algorithms. It helps you create quality exams, quizzes, and tests using an easy-to-use dashboard.
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
mettl - Mettl is a #SaaS based Online #Assessment Platform which helps you measure a candidate's #Aptitude, #Technical skills & conduct
AlgoExpert.io - A better way to prep for tech interviews
Questgen - Generate quizzes from text, PDFs, videos & more โ instantly with AI
CodeForces - Programming competitions and contests, programming community.