2020 with BOJ Solved problem A within the competition time of Good Bye, BOJ 2020!
337
EtvycAuRLZpb6hhe86x0 Solved problem A or similar within the competition time of EtvycAuRLZpb6hhe86x0
102
1 Solve Celebrated the 1st anniversary of solved.ac
5K
Semi-Game Cup 2 (2021) Solved 1 or more problems in Semi-Game Cup 2
108
Orange (2021) Solved 1 or more problems in the Orange Cup
115
Level 1 Sprout Solved problems for 2 days in a row
123K
Level 2 Sprout Solved problems for 4 days in a row
78K
Level 3 Sprout Solved problems for 8 days in a row
36K
Level 4 Sprout Solved problems for 16 days in a row
19K
Level 5 Sprout Solved problems for 32 days in a row
11K
Summer Postcard Decoration: Top 1,000 (2022) Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
884
9500-card (2022) Achieved 9,500 points in the Solved Blackjack Event, 2022
435
Sinchon Station (2022) Participated in 2022 ICPC Sinchon Summer Algorithm Camp Contest, or solved 1 or more problems in its open contest
388
The 9th Hanyang University Programming Contest Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest
284
IamCoder 2022 Year-end 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