Problems
Arena
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
Record of the Stars: Chapter 3
Participate as a rated contestant for 10 times in the Arena
Participate as a rated contestant for 10 times in the Arena
163
Record of the Stars: Chapter 2
Participate as a rated contestant for 5 times in the Arena
Participate as a rated contestant for 5 times in the Arena
607
Record of the Stars: Chapter 1
Participate as a rated contestant in the Arena
Participate as a rated contestant in the Arena
3.2K
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
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
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
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
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
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
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
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
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
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
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
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
3 Solves
Celebrated the 3nd anniversary of solved.ac
Celebrated the 3nd anniversary of solved.ac
12K
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
The Spy (2023)
Participated in 2023 Inha University Programming Contest, or solved 1 or more problems in its open contest
Participated in 2023 Inha University Programming Contest, or solved 1 or more problems in its open contest
463
2023 Ajou University Programming Contest
Participated in 2023 APC, or solved 1 or more problems in its open contest
Participated in 2023 APC, or solved 1 or more problems in its open contest
314