Problems
Arena
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
110K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
69K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
32K
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
9.9K
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
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
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
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
135K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
93K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
58K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
27K
Professional Problem-solver
Solve 500 problems
Solve 500 problems
5.6K
1-Star Problem-solving Technician
Solve 1,000 problems
Solve 1,000 problems
1.4K
Boardgame Cup (2023)
Solved 1 or more problems in Boardgame Cup
Solved 1 or more problems in Boardgame Cup
584
The 2nd MatKor Cup : 2023 Winter
Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
473
Anime Cup (2023)
Solved 1 or more problems in Anime Cup Season 1 or 2
Solved 1 or more problems in Anime Cup Season 1 or 2
766
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
Participated in 2023 ICPC Sinchon Winter Algorithm Camp Contest, or solved 1 or more problems in its open contest
325
Dress Rehearsal (2023)
Achieved a score of over 41 in the Dress Rehearsal
Achieved a score of over 41 in the Dress Rehearsal
441