Problems
Arena
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
158K
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
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
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
Summer Postcard Decoration: Top 1,000 (2022)
Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
884
Semi-Game Cup 3 (2022)
Solved 1 or more problems in Semi-Game Cup 3
Solved 1 or more problems in Semi-Game Cup 3
170
UCPC 2022
Participated in UCPC 2022, or its open contest
Participated in UCPC 2022, or its open contest
991
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
2 Solves
Celebrated the 2nd anniversary of solved.ac
Celebrated the 2nd anniversary of solved.ac
9.7K
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
★★Twenty-two Stars★★ (2022)
Achieved 22-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
Achieved 22-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
1K
★★Seventeen Stars★★ (2022)
Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
2.1K
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 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
7K
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
21K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
39K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
83K