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.

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 execution time < 0.1s across 25 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 average memory usage < 25.0MB across 25 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 after 3+ attempts. Shows learning and persistence.

Complete 5 problems successfully after previous failures. Resilience achievement.

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 problems in any single topic category. Topic depth.

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

Complete 25 normal difficulty problems. Difficulty mastery.

Complete 10 problems using Python. Language mastery.

Complete 25 problems using Python. Language mastery.

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.