Problems
Arena
2020 with BOJ
Solved problem A within the competition time of Good Bye, BOJ 2020!
Solved problem A within the competition time of Good Bye, BOJ 2020!
337
UCPC 2020 Finals
Participated in UCPC 2020 Finals
Participated in UCPC 2020 Finals
361
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
108K
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
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
67K
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
Spend 2022 with BOJ
Solved 1 or more problems in Hello, BOJ 2022!
Solved 1 or more problems in Hello, BOJ 2022!
367
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
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
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
31K
2022 Sogang University Freshman Cup
Participated in 2022 Sogang University Freshman Cup, or solved 2 or more problems in its open contest
Participated in 2022 Sogang University Freshman Cup, or solved 2 or more problems in its open contest
335
Chicken Dance (2022)
Solved 1 or more problems in the 1st Gomgom Cup · © Hana Kim
Solved 1 or more problems in the 1st Gomgom Cup · © Hana Kim
586
2022 Inha University Programming Contest
Participated in 2022 Inha University Programming Contest, or solved 1 or more problems in its open contest
Participated in 2022 Inha University Programming Contest, or solved 1 or more problems in its open contest
291
UCPC 2022
Participated in UCPC 2022, or its open contest
Participated in UCPC 2022, or its open contest
991
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
2022 Chung-Ang University Programming Contest
Participated in 2022 Chung-Ang University Programming Contest, or solved 1 or more problems in its open contest
Participated in 2022 Chung-Ang University Programming Contest, or solved 1 or more problems in its open contest
261
The 2nd Korea Aerospace University Programming Contest
Participated in the 2nd Korea Aerospace University Programming Contest, or solved 1 or more problems in its open contest
Participated in the 2nd Korea Aerospace University Programming Contest, or solved 1 or more problems in its open contest
164
2022 Seoul Cyber University Programming Contest
Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest
Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest
339
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
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
133K