Problems
Arena
Guardian of Balance - Gold
Of the 8 tags displayed on the profile, achieve a rating of over 800 for 4 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 800 for 4 or more tags
11K
Creator of Balance - Silver
Achieve a rating of 200 or higher for all 8 tags displayed on the profile
Achieve a rating of 200 or higher for all 8 tags displayed on the profile
4.9K
Master of Balance - Gold
Of the 8 tags displayed on the profile, achieve a rating of over 800 for 6 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 800 for 6 or more tags
4.7K
Creator of Balance - Gold
Achieve a rating of 800 or higher for all 8 tags displayed on the profile
Achieve a rating of 800 or higher for all 8 tags displayed on the profile
916
You Win!
Participate as a rated contestant in the Arena and increase your rating
Participate as a rated contestant in the Arena and increase your rating
3.1K
On a Roll
Participate as a rated contestant in the Arena and increase your rating 3 times in a row
Participate as a rated contestant in the Arena and increase your rating 3 times in a row
1.1K
Unstoppable
Participate as a rated contestant in the Arena and increase your rating 5 times in a row
Participate as a rated contestant in the Arena and increase your rating 5 times in a row
527
Hopefully This Badge Will Help You Keep Calm
Participate as a rated contestant in the Arena and decrease your rating
Participate as a rated contestant in the Arena and decrease your rating
367
Arena: Top 50
Participate as a rated contestant in the Arena and achieve a rank of top 50 or greater
Participate as a rated contestant in the Arena and achieve a rank of top 50 or greater
574
Arena: Top 100
Participate as a rated contestant in the Arena and achieve a rank of top 100 or greater
Participate as a rated contestant in the Arena and achieve a rank of top 100 or greater
972
Arena: Half Solves
Participate as a rated contestant 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 get full score for half or more of the problems in the contest
510
Arena: Quarter Solves
Participate as a rated contestant in the Arena and get full score for quarter or more of the problems in the contest
Participate as a rated contestant in the Arena and get full score for quarter or more of the problems in the contest
1.3K
Record of the Stars: Chapter 1
Participate as a rated contestant in the Arena
Participate as a rated contestant in the Arena
3.2K
Record of the Stars: Chapter 2
Participate as a rated contestant for 5 times in the Arena
Participate as a rated contestant for 5 times in the Arena
607
2023 제1회 춘배컵
2023 제1회 춘배컵에 출전해 한 문제 이상 해결 · ©올소
2023 제1회 춘배컵에 출전해 한 문제 이상 해결 · ©올소
438
제1회 스타보우컵 (2023)
제1회 스타보우컵에 출전해 1문제 이상 해결
제1회 스타보우컵에 출전해 1문제 이상 해결
295
파댕이컵 (2023)
파댕이컵에 출전해 1문제 이상 해결 · ©파댕이
파댕이컵에 출전해 1문제 이상 해결 · ©파댕이
322
SciOI 2023
SciOI 2023에 출전, 혹은 Open Contest에 출전해 100점 이상 획득
SciOI 2023에 출전, 혹은 Open Contest에 출전해 100점 이상 획득
332
2023 shake!
2023 shake! 혹은 Open Contest에 출전해 한 문제 이상 해결
2023 shake! 혹은 Open Contest에 출전해 한 문제 이상 해결
318
2024년을 BOJ와 함께할
Hello, BOJ 2024! 혹은 Open Contest에 출전
Hello, BOJ 2024! 혹은 Open Contest에 출전
292