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Codechef
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LeetCode
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Codewars
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.
DataTap
CodechefDataTap is recommended for marketing professionals, data analysts, and business intelligence teams who need to integrate, manage, and analyze data from diverse sources. It is particularly beneficial for organizations that require a deep understanding of their marketing performance, customer behavior, and other critical business metrics. Additionally, businesses looking to automate repetitive data handling tasks and enhance the accuracy of their data insights would benefit from this platform.
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Based on our record, Codechef should be more popular than DataTap. 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.
We have worked hard on the Lost Pixel Platform - the SaaS version of our tool. We are a small team of two working on it currently, but we already have awesome clients like prisma.io and adverity.com. I would be excited if you try it out and give us the feedback if you will have any! Source: over 3 years ago
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
Funnel.io - Marketing analytics software for e-commerce companies and online marketers that automatically...
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Workato - Experts agree - we're the leader. Forrester Research names Workato a Leader in iPaaS for Dynamic Integration. Get the report. Gartner recognizes Workato as a โCool Vendor in Social Software and Collaborationโ.
AlgoExpert.io - A better way to prep for tech interviews
Segment - We make customer data simple.
CodeForces - Programming competitions and contests, programming community.