Problems
Arena
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
127K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
81K
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
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
154K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
107K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
68K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
32K
The 2nd MatKor Cup : 2023 Winter
Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
473
Guardian of Balance - Bronze
Of the 8 tags displayed on the profile, achieve a rating of over 30 for 4 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 30 for 4 or more tags
108K
Master of Balance - Bronze
Of the 8 tags displayed on the profile, achieve a rating of over 30 for 6 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 30 for 6 or more tags
80K
Creator of Balance - Bronze
Achieve a rating of 30 or higher for all 8 tags displayed on the profile
Achieve a rating of 30 or higher for all 8 tags displayed on the profile
34K
Guardian of Balance - Silver
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
56K
Master of Balance - Silver
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 6 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 6 or more tags
34K
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
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: 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
์ 3ํ ๊ณ ๋ ค๋ํ๊ต MatKor Cup : 2023 Summer
์ 3ํ ๊ณ ๋ ค๋ํ๊ต MatKor Cup : 2023 Summer ํน์ Open Contest Phase 1, Phase 2 ์ค ํ๋ ์ด์์ ์ถ์
์ 3ํ ๊ณ ๋ ค๋ํ๊ต MatKor Cup : 2023 Summer ํน์ Open Contest Phase 1, Phase 2 ์ค ํ๋ ์ด์์ ์ถ์
490
์๋ก๋ฌ๋ก ํด์ปค ํธ๋์ด (2023)
์ 3ํ ๊ณ ๋ ค๋ํ๊ต MatKor Cup : 2023 Summer์ ์ถ์ ํด A๋ฒ์ ์ ์ธํ ๋ฌธ์ ์ 1ํ ์ด์ ์ ์ถ, ํน์ Open Contest Phase 1์ Phase 2 ๋ชจ๋์ ์ถ์
์ 3ํ ๊ณ ๋ ค๋ํ๊ต MatKor Cup : 2023 Summer์ ์ถ์ ํด A๋ฒ์ ์ ์ธํ ๋ฌธ์ ์ 1ํ ์ด์ ์ ์ถ, ํน์ Open Contest Phase 1์ Phase 2 ๋ชจ๋์ ์ถ์
193
2023 ๊ณ ๋ ค๋ํ๊ต ํ๋ก๊ทธ๋๋ฐ ๊ฒฝ์๋ํ
2023 ๊ณ ๋ ค๋ํ๊ต ํ๋ก๊ทธ๋๋ฐ ๊ฒฝ์๋ํ์ ์ถ์ , ํน์ Open Contest์ ์ถ์ ํด ํ ๋ฌธ์ ์ด์ ํด๊ฒฐ
2023 ๊ณ ๋ ค๋ํ๊ต ํ๋ก๊ทธ๋๋ฐ ๊ฒฝ์๋ํ์ ์ถ์ , ํน์ Open Contest์ ์ถ์ ํด ํ ๋ฌธ์ ์ด์ ํด๊ฒฐ
280