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Practice regularly and consistently. Aim to solve 3-5 problems per day on average. Frequent practice is key to improving skills.↵
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Analyze solutions. After submitting your solution, take time to read the best solutions posted by others. Try to understand better approaches.↵
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Study data structures and algorithms. Having a strong foundation in common algorithms, data structures, problem solving patterns will help tackle a wide range of problems.↵
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Participate in contests. Contests are the best way to train under time pressure. Start with smaller rated contests and work your way up as skills improve.↵
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Learn from mistakes. Don't get discouraged from wrong submissions. Analyze where you went wrong and improve your understanding.↵
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Vary problem domains. Try problems from different domains like strings, graphs, mathematics, implementation etc. to strengthen diverse skills.↵
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Level up over time with ratings. Aiming for Expert or above ratings on Codeforces signals specialist level ability. It takes dedicated long term practice.↵
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Participate in discuss section. Discuss problems with others, exchange ideas and learn new approaches.↵
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Solve problemsets completely. Target fully solving problemsets, even hard problems, to maximize learning from each.↵
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Stay up to date. As sites add new tags and problem types, ensure your skills evolve as well over time.↵
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Wisdom is not eternal answers, but eternal questions that lead to the search for truth and self-knowledge...
