Problems
Arena
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
123K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
78K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
150K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
104K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
66K
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
105K
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
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
2024๋
์ BOJ์ ํจ๊ปํ
Hello, BOJ 2024! ํน์ Open Contest์ ์ถ์
Hello, BOJ 2024! ํน์ Open Contest์ ์ถ์
292
๋ณ์ ์ข๋ ์ฌ์ ์ ์์ํ๋ฉฐ (2024)
์๋ธ๋ ๊ทธ๋๋ ์๋ ๋ ํํฐ ํผ์ฆ ํํธ์์ ์๋ฌด ๋ฌธ์ ๋ 1๋ฌธ์ ํด๊ฒฐ
์๋ธ๋ ๊ทธ๋๋ ์๋ ๋ ํํฐ ํผ์ฆ ํํธ์์ ์๋ฌด ๋ฌธ์ ๋ 1๋ฌธ์ ํด๊ฒฐ
1.3K
C
C90, C90 (Clang), C99, C99 (Clang), C11, C11 (Clang), C2x, C2x (Clang) ์ค ํ๋์ ์ธ์ด๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
C90, C90 (Clang), C99, C99 (Clang), C11, C11 (Clang), C2x, C2x (Clang) ์ค ํ๋์ ์ธ์ด๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
19K
C++
C++98, C++98 (Clang), C++11, C++11 (Clang), C++14, C++14 (Clang), C++17, C++17 (Clang), C++20, C++20 (Clang) ์ค ํ๋์ ์ธ์ด๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
C++98, C++98 (Clang), C++11, C++11 (Clang), C++14, C++14 (Clang), C++17, C++17 (Clang), C++20, C++20 (Clang) ์ค ํ๋์ ์ธ์ด๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
55K
C#
C#๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
C#๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
2.7K
Java
Java 8, Java 8 (OpenJDK), Java 11, Java 15 ์ค ํ๋์ ์ธ์ด๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
Java 8, Java 8 (OpenJDK), Java 11, Java 15 ์ค ํ๋์ ์ธ์ด๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
38K
JavaScript
node.js๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
node.js๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
5.7K
Kotlin
Kotlin (JVM)์ผ๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
Kotlin (JVM)์ผ๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
2.3K
Python
Python 3, PyPy3 ์ค ํ๋์ ์ธ์ด๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
Python 3, PyPy3 ์ค ํ๋์ ์ธ์ด๋ก ์๋ฌด ๋ฌธ์ ๋ ํด๊ฒฐ
71K