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

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

Complete 1 quiz. Milestone achievement.

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

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.

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

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 1 coding problem. Milestone achievement.

Complete 3 coding problems. Milestone achievement.

Complete 5 coding problems. Milestone achievement.

Complete 10 coding problems. Milestone achievement.

Complete 5 normal difficulty problems. Difficulty mastery.