Problems
Arena
2023 Sogang University Freshman Cup
Participated in 2023 Sogang University Freshman Cup, or solved 2 or more problems in its open contest
Participated in 2023 Sogang University Freshman Cup, or solved 2 or more problems in its open contest
363
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
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
On a Roll
Participate as a rated contestant in the Arena and increase your rating 3 times in a row
Participate as a rated contestant in the Arena and increase your rating 3 times in a row
1.1K
Unstoppable
Participate as a rated contestant in the Arena and increase your rating 5 times in a row
Participate as a rated contestant in the Arena and increase your rating 5 times in a row
527
Hopefully This Badge Will Help You Keep Calm
Participate as a rated contestant in the Arena and decrease your rating
Participate as a rated contestant in the Arena and decrease your rating
367
Arena: 2nd Place
Participate as a rated contestant in the Arena and achieve second place
Participate as a rated contestant in the Arena and achieve second place
25
Arena: Top 10
Participate as a rated contestant in the Arena and achieve a rank of top 10 or greater
Participate as a rated contestant in the Arena and achieve a rank of top 10 or greater
151
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
Arena: Half Solves × 5
Participate as a rated contestant for 5 times in the Arena and get full score for half or more of the problems in the contest
Participate as a rated contestant for 5 times in the Arena and get full score for half or more of the problems in the contest
62
Arena: Quarter Solves × 5
Participate as a rated contestant for 5 times in the Arena and get full score for quarter or more of the problems in the contest
Participate as a rated contestant for 5 times in the Arena and get full score for quarter or more of the problems in the contest
189