Complete 30 problems with clean solving patterns. Anti-cheat champion.

Complete 10 problems in 1w. Speed achievement.

Complete 20 problems in 1m. Speed achievement.

Complete 15 problems in a row without failures. Winning streak achievement.

Complete at least 2 problems in 3 different categories. Topic breadth.

Complete 25 easy difficulty problems. Difficulty mastery.

Complete 25 problems using C. Language mastery.

Achieve average execution time < 0.1s across 25 problems. Speed efficiency.

Achieve average memory usage < 25.0MB across 25 problems. Memory efficiency.

Complete 15 problems in any single topic category. Topic depth.

Complete 25 coding problems. Milestone achievement.

Complete 10 problems with at least 2 attempts each. Persistence achievement.

Complete 3 problems after 3+ attempts. Shows learning and persistence.

Complete 10 problems successfully after previous failures. Resilience achievement.

Complete 10 problems in a row without failures. Winning streak achievement.

Complete 5 problems between 22:00-06:00 (night time). Night coding achievement.

Complete at least 3 problems in 2 different programming languages. Polyglot achievement.

Complete 10 problems in any single topic category. Topic depth.

Pass all 7 testcases on first attempt for 10 problems. Perfect submission achievement.

Complete 15 problems with clean solving patterns. Anti-cheat champion.

Complete 15 coding problems. Milestone achievement.

Achieve average execution time < 0.1s across 10 problems. Speed efficiency.

Achieve average memory usage < 25.0MB across 10 problems. Memory efficiency.

Achieve both execution < 0.1s AND memory < 25.0MB across 10 problems. Optimal code.

Complete 5 problems successfully after previous failures. Resilience achievement.

Complete 10 coding problems. Milestone achievement.

Complete 10 easy difficulty problems. Difficulty mastery.

Complete 10 problems using C. Language mastery.

Pass all 7 testcases on first attempt for 5 problems. Perfect submission achievement.

Complete 6 problems in 1w. Speed achievement.

Complete 5 problems in a row without failures. Winning streak achievement.

Complete 5 problems in any single topic category. Topic depth.

Achieve average execution time < 0.1s across 5 problems. Speed efficiency.

Achieve average memory usage < 25.0MB across 5 problems. Memory efficiency.

Achieve both execution < 0.1s AND memory < 25.0MB across 5 problems. Optimal code.

Complete 3 problems in a row without failures. Winning streak achievement.

Complete 5 coding problems. Milestone achievement.

Complete 5 easy difficulty problems. Difficulty mastery.

Pass all 7 testcases on first attempt for 3 problems. Perfect submission achievement.

Complete 3 problems in 1d. Speed achievement.

Complete 2 problems in 1d. Speed achievement.

Complete 3 coding problems. Milestone achievement.

Complete 10 quizzes in any single major topic. Topic depth achievement.

Complete at least 1 quiz in 3 different major topics. Cross-training achievement.

Complete at least 1 quiz in 5 different major topics. Cross-training achievement.

Complete at least 1 quiz in 10 different major topics. Cross-training achievement.

Complete at least 1 quiz in 15 different major topics. Cross-training achievement.

Complete at least 1 quiz in 20 different major topics. Cross-training achievement.

Get 100% on 1 different quiz. Perfect score achievement.

Get 100% on 5 different quizzes. Perfect score achievement.

Get 100% on 10 different quizzes. Perfect score achievement.

Get 100% on 10 easy difficulty quizzes. Perfect score achievement.

Complete 10 easy difficulty quizzes. Difficulty mastery.

Complete 1 quiz. Milestone achievement.

Complete 5 quizzes. Milestone achievement.

Complete 10 quizzes. Milestone achievement.

Pass all 7 testcases on first attempt for 1 problem. Perfect submission achievement.

Complete 1 coding problem. Milestone achievement.