Problems
Arena
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
113K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
71K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
33K
Level 4 Sprout
Solved problems for 16 days in a row
Solved problems for 16 days in a row
17K
Level 5 Sprout
Solved problems for 32 days in a row
Solved problems for 32 days in a row
10K
Level 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
5.9K
Level 7 Sprout
Solved problems for 128 days in a row
Solved problems for 128 days in a row
3K
Level 8 Sprout
Solved problems for 256 days in a row
Solved problems for 256 days in a row
1.4K
Level 9 Sprout
Solved problems for 512 days in a row
Solved problems for 512 days in a row
478
Sogang Programming Contest 2022
Participated in Sogang Programming Competition 2022, or solved 1 or more problems in its open contest
Participated in Sogang Programming Competition 2022, or solved 1 or more problems in its open contest
292
Gomgom Silver Award (2022)
Solved 1 or more problems in the 2nd Gomgom Cup · © Hana Kim
Solved 1 or more problems in the 2nd Gomgom Cup · © Hana Kim
553
Warmth in the Snow (2022)
Solved 1 or more problems in the Invitation of the Winter Forest
Solved 1 or more problems in the Invitation of the Winter Forest
462
The 9th Hanyang University Programming Contest
Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest
Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest
284
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
Christmas Gift (2022)
Earn at least 5 gifts from the Make a Tree event, 2022
Earn at least 5 gifts from the Make a Tree event, 2022
725
IamCoder 2022 Year-end Contest
Participated in IamCoder 2022 Year-end Contest, or in its open contest
Participated in IamCoder 2022 Year-end Contest, or in its open contest
269
Spent 2022 with BOJ
Solved 1 or more problems in Good Bye, BOJ 2022!
Solved 1 or more problems in Good Bye, BOJ 2022!
606
GBS Coding Contest 2022
Participated in GBS Coding Contest 2022, or solved 1 or more problems in its open contest
Participated in GBS Coding Contest 2022, or solved 1 or more problems in its open contest
292
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
139K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
96K