Problems
Arena
3 Solves
Celebrated the 3nd anniversary of solved.ac
Celebrated the 3nd anniversary of solved.ac
12K
Top Contributor, Season 2
Top 100 contributor by contributions count in season 2
Top 100 contributor by contributions count in season 2
100
Codemaster 2023
Participated in the Codemaster 2023 by Songdo Highschool, or solved 1 or more problems in its open contest
Participated in the Codemaster 2023 by Songdo Highschool, or solved 1 or more problems in its open contest
430
The 2nd Chocolate Cup (2022)
Solved 1 or more problems in the 2nd Chocolate Cup
Solved 1 or more problems in the 2nd Chocolate Cup
413
2023 Daegu Software Highschool Programming Contest
Participated in the 2023 Daegu Software Highschool Programming Contest, or solved 1 or more problems in its open contest
Participated in the 2023 Daegu Software Highschool Programming Contest, or solved 1 or more problems in its open contest
226
You Win!
Participate as a rated contestant in the Arena and increase your rating
Participate as a rated contestant in the Arena and increase your rating
3.1K
Arena: Top 20
Participate as a rated contestant in the Arena and achieve a rank of top 20 or greater
Participate as a rated contestant in the Arena and achieve a rank of top 20 or greater
246
Arena: Top 50
Participate as a rated contestant in the Arena and achieve a rank of top 50 or greater
Participate as a rated contestant in the Arena and achieve a rank of top 50 or greater
574
Arena: Top 100
Participate as a rated contestant in the Arena and achieve a rank of top 100 or greater
Participate as a rated contestant in the Arena and achieve a rank of top 100 or greater
972
Speedy
Participate as a rated contestant in the Arena and get full score for a problem within 5 minutes of the start of the competition
Participate as a rated contestant in the Arena and get full score for a problem within 5 minutes of the start of the competition
821
Rapid
Participate as a rated contestant in the Arena and get full score for a problem within 3 minutes of the start of the competition
Participate as a rated contestant in the Arena and get full score for a problem within 3 minutes of the start of the competition
586
Arena: Half Solves
Participate as a rated contestant in the Arena and get full score for half or more of the problems in the contest
Participate as a rated contestant in the Arena and get full score for half or more of the problems in the contest
510
Arena: Quarter Solves
Participate as a rated contestant in the Arena and get full score for quarter or more of the problems in the contest
Participate as a rated contestant in the Arena and get full score for quarter or more of the problems in the contest
1.3K
Record of the Stars: Chapter 1
Participate as a rated contestant in the Arena
Participate as a rated contestant in the Arena
3.2K
Creator of the Stars: Chapter 1
Participate as a jury, a tester, or a staff in the Arena
Participate as a jury, a tester, or a staff in the Arena
172
Creator of the Stars: Chapter 2
Participate as a jury, a tester, or a staff for 5 times in the Arena
Participate as a jury, a tester, or a staff for 5 times in the Arena
13
Creator of the Stars: Chapter 3
Participate as a jury, a tester, or a staff for 10 times in the Arena
Participate as a jury, a tester, or a staff for 10 times in the Arena
4
3-Star Problem-solving Technician
Solve 3,000 problems
Solve 3,000 problems
164
UCPC 2023
UCPC 2023 혹은 Open Contest에 출전
UCPC 2023 혹은 Open Contest에 출전
873
2023 KSA Automata Summer Contest
2023 KSA Automata Summer Contest에 출전해 100점 이상 달성
2023 KSA Automata Summer Contest에 출전해 100점 이상 달성
398