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

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

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

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

Complete 15 problems between 22:00-06:00 (night time). Night coding achievement.

Complete 1 coding problem. Milestone achievement.

Complete 3 coding problems. Milestone achievement.

Complete 5 coding problems. Milestone achievement.

Complete 10 coding problems. Milestone achievement.

Complete 15 coding problems. Milestone achievement.

Complete 25 coding problems. Milestone achievement.

Complete 5 normal difficulty problems. Difficulty mastery.

Complete 10 normal difficulty problems. Difficulty mastery.

Complete 25 normal difficulty problems. Difficulty mastery.

Complete 10 problems using Python. Language mastery.

Complete 25 problems using Python. Language mastery.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Complete 20 problems in a row without failures. Winning streak achievement.

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

Complete 10 easy difficulty quizzes. Difficulty mastery.

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 25 different quizzes. Perfect score achievement.

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

Complete 10 quizzes between 22:00-06:00 (night time). Master quizzes while others sleep!

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.

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

Complete 1 quiz. Milestone achievement.

Complete 5 quizzes. Milestone achievement.

Complete 10 quizzes. Milestone achievement.

Complete 25 quizzes. Milestone achievement.