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

Complete at least 1 quiz per day for 3 consecutive days. Daily streak achievement.

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

Complete 2 problems in 1d. Speed achievement.

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

Complete 5 coding problems. Milestone achievement.

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

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

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

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

Complete 5 quizzes successfully after experiencing a failure. Bounce back stronger!

Complete 10 easy difficulty quizzes. Difficulty mastery.

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

Win 5 quizzes in a row without any failures. Streak achievement.

Complete 10 quizzes. Milestone achievement.

Get 100% on 6 quizzes in 1h. Elite achievement.

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

Complete 5 quizzes in 1h. Speed achievement.

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

Win 3 quizzes in a row without any failures. Streak achievement.

Complete 5 quizzes in 1d. Speed achievement.

Complete 5 quizzes. Milestone achievement.

Complete 3 quizzes in 1h. Speed achievement.

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

Complete 2 quizzes in 1h. Speed achievement.

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

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

Complete 1 quiz. Milestone achievement.

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

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

Complete 1 coding problem. Milestone achievement.

Complete 3 coding problems. Milestone achievement.