Problems
Arena
2023 shake!
2023 shake! ํน์ Open Contest์ ์ถ์ ํด ํ ๋ฌธ์ ์ด์ ํด๊ฒฐ
2023 shake! ํน์ Open Contest์ ์ถ์ ํด ํ ๋ฌธ์ ์ด์ ํด๊ฒฐ
318
SciOI 2023
SciOI 2023์ ์ถ์ , ํน์ Open Contest์ ์ถ์ ํด 100์ ์ด์ ํ๋
SciOI 2023์ ์ถ์ , ํน์ Open Contest์ ์ถ์ ํด 100์ ์ด์ ํ๋
332
2023 ์์ธ์ฌ์ด๋ฒ๋ํ๊ต ํ๋ก๊ทธ๋๋ฐ ๊ฒฝ์ง๋ํ
2023 ์์ธ์ฌ์ด๋ฒ๋ํ๊ต ํ๋ก๊ทธ๋๋ฐ ๊ฒฝ์ง๋ํ, ํน์ Open Contest์ ์ถ์ ํด 1๋ฌธ์ ์ด์ ํด๊ฒฐ
2023 ์์ธ์ฌ์ด๋ฒ๋ํ๊ต ํ๋ก๊ทธ๋๋ฐ ๊ฒฝ์ง๋ํ, ํน์ Open Contest์ ์ถ์ ํด 1๋ฌธ์ ์ด์ ํด๊ฒฐ
254
์ 10ํ ํ์๋ํ๊ต ํ๋ก๊ทธ๋๋ฐ ๊ฒฝ์๋ํ (2023)
์ 10ํ ํ์๋ํ๊ต ํ๋ก๊ทธ๋๋ฐ ๊ฒฝ์๋ํ ํน์ Open Contest์ ์ถ์ ํด ํ ๋ฌธ์ ์ด์ ํด๊ฒฐ
์ 10ํ ํ์๋ํ๊ต ํ๋ก๊ทธ๋๋ฐ ๊ฒฝ์๋ํ ํน์ Open Contest์ ์ถ์ ํด ํ ๋ฌธ์ ์ด์ ํด๊ฒฐ
408
2023 HPEC
2023 HPEC ํน์ Open Contest์ ์ถ์ ํด ํ ๋ฌธ์ ์ด์ ํด๊ฒฐ
2023 HPEC ํน์ Open Contest์ ์ถ์ ํด ํ ๋ฌธ์ ์ด์ ํด๊ฒฐ
268
์ 1ํ ์ ํธ์ปต - Chapter 1 (2023)
์ 1ํ ์ ํธ์ปต - Chapter 1์ ์ถ์ ํด 1๋ฌธ์ ์ด์ ํด๊ฒฐ
์ 1ํ ์ ํธ์ปต - Chapter 1์ ์ถ์ ํด 1๋ฌธ์ ์ด์ ํด๊ฒฐ
489
UCPC 2023
UCPC 2023 ํน์ Open Contest์ ์ถ์
UCPC 2023 ํน์ Open Contest์ ์ถ์
873
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 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
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
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
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