Problems
Arena
IamCoder 2021 Year-end Contest
Participated in IamCoder 2021 Year-end Contest, or solved 1 or more problems in its open contest
Participated in IamCoder 2021 Year-end Contest, or solved 1 or more problems in its open contest
170
Creator of Balance - Platinum
Achieve a rating of 1600 or higher for all 8 tags displayed on the profile
Achieve a rating of 1600 or higher for all 8 tags displayed on the profile
183
2024 UDPC
2024 UDPC에 출전, 혹은 Open Contest에 출전해 1문제 이상 해결
2024 UDPC에 출전, 혹은 Open Contest에 출전해 1문제 이상 해결
207
The 1st hjroh Cup (2023)
Solved 1 or more problems in the 1st hjroh Cup
Solved 1 or more problems in the 1st hjroh Cup
255
2-Star Problem-solving Technician
Solve 2,000 problems
Solve 2,000 problems
313
The 1st Blob Cup (2022)
Solved 1 or more problems in the 1st Blob Cup
Solved 1 or more problems in the 1st Blob Cup
317
2023 UDPC
Participated in the 2023 UDPC, or solved 1 or more problems in its open contest
Participated in the 2023 UDPC, or solved 1 or more problems in its open contest
349
Master of Balance - Platinum
Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 6 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 6 or more tags
354
2022 1st Calculus, Probability, and Statistics Cup
Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
359
Sinchon Station (2022)
Participated in 2022 ICPC Sinchon Summer Algorithm Camp Contest, or solved 1 or more problems in its open contest
Participated in 2022 ICPC Sinchon Summer Algorithm Camp Contest, or solved 1 or more problems in its open contest
388
UCPC 2021
Participated in UCPC 2021
Participated in UCPC 2021
425
Beta Contributor
Contributed once or more between July 13, 2019 and June 4, 2020
Contributed once or more between July 13, 2019 and June 4, 2020
442
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
Binary Game 2 (2022)
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
747
Hello, world! (2022)
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
747
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
777
UCPC 2023 출전
UCPC 2023 혹은 Open Contest에 출전
UCPC 2023 혹은 Open Contest에 출전
873
Summer Postcard Decoration: Top 1,000 (2022)
Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
884
Guardian of Balance - Platinum
Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 4 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 4 or more tags
912
UCPC 2022
Participated in UCPC 2022, or its open contest
Participated in UCPC 2022, or its open contest
991