Record of the Stars: Chapter 2 Participate as a rated contestant for 5 times in the Arena
607
Record of the Stars: Chapter 1 Participate as a rated contestant in the Arena
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Unstoppable Participate as a rated contestant in the Arena and increase your rating 5 times in a row
527
On a Roll Participate as a rated contestant in the Arena and increase your rating 3 times in a row
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You Win! Participate as a rated contestant in the Arena and increase your rating
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Guardian of Balance - Bronze Of the 8 tags displayed on the profile, achieve a rating of over 30 for 4 or more tags
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Master of Balance - Bronze Of the 8 tags displayed on the profile, achieve a rating of over 30 for 6 or more tags
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Guardian of Balance - Silver Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
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Master of Balance - Silver Of the 8 tags displayed on the profile, achieve a rating of over 200 for 6 or more tags
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2023 ICPC Sinchon Winter Algorithm Camp Contest Participated in 2023 ICPC Sinchon Winter Algorithm Camp Contest, or solved 1 or more problems in its open contest
325
Spend 2023 with BOJ Solved 1 or more problems in Hello, BOJ 2023!
290
2023 KSA Automata Winter Contest Achieved a score of over 100 in the 2023 KSA Automata Winter Contest
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Apprentice Problem-solver Solve 100 problems
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Beginner Problem-solver Solve 50 problems
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Newbie Problem-solver Solve 10 problems
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SciOI 2022 Participated in SciOI 2022, or solved 1 or more problems in its open contest
226
Spent 2022 with BOJ Solved 1 or more problems in Good Bye, BOJ 2022!
606
IamCoder 2022 Year-end Contest Participated in IamCoder 2022 Year-end Contest, or in its open contest
269
The 9th Hanyang University Programming Contest Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest