Problems
Arena
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
154K
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
SciOI 2022
Participated in SciOI 2022, or solved 1 or more problems in its open contest
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!
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
Participated in IamCoder 2022 Year-end Contest, or in its open contest
269
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
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
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
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
Level 9 Sprout
Solved problems for 512 days in a row
Solved problems for 512 days in a row
651
Level 8 Sprout
Solved problems for 256 days in a row
Solved problems for 256 days in a row
1.7K
Level 7 Sprout
Solved problems for 128 days in a row
Solved problems for 128 days in a row
3.6K
Level 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
6.8K
Level 5 Sprout
Solved problems for 32 days in a row
Solved problems for 32 days in a row
12K
Level 4 Sprout
Solved problems for 16 days in a row
Solved problems for 16 days in a row
20K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
37K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
81K
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
127K