Problems
Arena
제3회 보라매컵 (2024)
제3회 보라매컵에 출전, 혹은 Open Contest에 출전해 1문제 이상 해결
제3회 보라매컵에 출전, 혹은 Open Contest에 출전해 1문제 이상 해결
321
Java
Java 8, Java 8 (OpenJDK), Java 11, Java 15 중 하나의 언어로 아무 문제나 해결
Java 8, Java 8 (OpenJDK), Java 11, Java 15 중 하나의 언어로 아무 문제나 해결
13K
2024년을 BOJ와 함께할
Hello, BOJ 2024! 혹은 Open Contest에 출전
Hello, BOJ 2024! 혹은 Open Contest에 출전
292
Record of the Stars: Chapter 1
Participate as a rated contestant in the Arena
Participate as a rated contestant in the Arena
3.2K
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
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
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
Master of Balance - Bronze
Of the 8 tags displayed on the profile, achieve a rating of over 30 for 6 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 30 for 6 or more tags
69K
Guardian of Balance - Silver
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
48K
Guardian of Balance - Bronze
Of the 8 tags displayed on the profile, achieve a rating of over 30 for 4 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 30 for 4 or more tags
94K
Creator of Balance - Bronze
Achieve a rating of 30 or higher for all 8 tags displayed on the profile
Achieve a rating of 30 or higher for all 8 tags displayed on the profile
29K
Master of Balance - Silver
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 6 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 6 or more tags
29K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
27K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
58K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
94K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
136K
Spent 2021 with BOJ
Solved 1 or more problems in Good Bye, BOJ 2021!
Solved 1 or more problems in Good Bye, BOJ 2021!
644
SASA Programming Contest 2021
Participated in SASA Programming Contest 2021, or solved 1 or more problems in its open contest
Participated in SASA Programming Contest 2021, or solved 1 or more problems in its open contest
172
Level 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
5.7K
Level 5 Sprout
Solved problems for 32 days in a row
Solved problems for 32 days in a row
9.9K