Problems
Arena
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: 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 ร 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 ร 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 ร 10
Participate as a rated contestant for 10 times in the Arena and get full score for quarter or more of the problems in the contest
Participate as a rated contestant for 10 times in the Arena and get full score for quarter or more of the problems in the contest
37
Record of the Stars: Chapter 1
Participate as a rated contestant in the Arena
Participate as a rated contestant in the Arena
3.2K
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 3
Participate as a rated contestant for 10 times in the Arena
Participate as a rated contestant for 10 times in the Arena
163
3-Star Problem-solving Technician
Solve 3,000 problems
Solve 3,000 problems
149
UCPC 2023
UCPC 2023 ํน์ Open Contest์ ์ถ์
UCPC 2023 ํน์ Open Contest์ ์ถ์
873
2023 KSA Automata Summer Contest
2023 KSA Automata Summer Contest์ ์ถ์ ํด 100์ ์ด์ ๋ฌ์ฑ
2023 KSA Automata Summer Contest์ ์ถ์ ํด 100์ ์ด์ ๋ฌ์ฑ
398
์ 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
์ 1ํ ์ ํธ์ปต - Chapter 1 (2023)
์ 1ํ ์ ํธ์ปต - Chapter 1์ ์ถ์ ํด 1๋ฌธ์ ์ด์ ํด๊ฒฐ
์ 1ํ ์ ํธ์ปต - Chapter 1์ ์ถ์ ํด 1๋ฌธ์ ์ด์ ํด๊ฒฐ
489