solved.ac Grand Arena #1

solved.ac Grand Arena #2

Participate as a unrated contestant in the Arena and make a submission at least once

Achieved a rank of top 100 in the Summer Postcard Decoration event, 2022

솔브드 그랜드 아레나 파티 퍼즐 헌트에서 모든 문제 해결

Participate as a rated contestant for 10 times in the Arena and get full score for half or more of the problems in the contest

Participate as a rated contestant for 5 times in the Arena and get full score for half or more of the problems in the contest

Participate as a rated contestant in the Arena and achieve a rank of top 10 or greater