r2w2

r2w2 is a programming challenge platform that hosts competitive programming events. It provides a venue for participants to test their algorithmic and problem-solving skills against others. The platform typically features a variety of problems ranging in difficulty, requiring users to implement solutions in various programming languages. Solutions are usually evaluated based on correctness and efficiency, often through automated judging systems that compare output against a set of test cases. r2w2 aims to foster a community of competitive programmers and offer opportunities for learning and improvement. Users can often track their progress, compare rankings, and engage with other participants. The challenges presented on r2w2 can cover topics such as data structures, algorithms, mathematics, and logic.