solved.ac
Problems
Contribute
Arena
Rankings
Sign in
Problems
Arena
oh20020409
Platinum III
1998
2 until Platinum II
AI 21 / excellent!
1,034
Solved
82
Contributions
3
Reverse rivals
Overview
History
Solved
Contributions
Badges
Backgrounds
All
Achievement
Arena
Season
Event
Contest
Sort
Date Added
# Unlocked Users
Tier
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) 중 하나의 언어로 아무 문제나 해결
54K
Guardian of Balance - Bronze
Of the 8 tags displayed on the profile, achieve a rating of over 30 for 4 or more tags
104K
Master of Balance - Bronze
Of the 8 tags displayed on the profile, achieve a rating of over 30 for 6 or more tags
78K
Creator of Balance - Bronze
Achieve a rating of 30 or higher for all 8 tags displayed on the profile
33K
Guardian of Balance - Silver
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
54K
Master of Balance - Silver
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 6 or more tags
33K
Guardian of Balance - Gold
Of the 8 tags displayed on the profile, achieve a rating of over 800 for 4 or more tags
12K
Master of Balance - Gold
Of the 8 tags displayed on the profile, achieve a rating of over 800 for 6 or more tags
5K
1-Star Problem-solving Technician
Solve 1,000 problems
1.7K
Professional Problem-solver
Solve 500 problems
6.5K
Skilled Problem-solver
Solve 200 problems
31K
Apprentice Problem-solver
Solve 100 problems
65K
Beginner Problem-solver
Solve 50 problems
104K
Newbie Problem-solver
Solve 10 problems
149K
2 Solves
Celebrated the 2nd anniversary of solved.ac
9.7K
★★Seventeen Stars★★ (2022)
Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
2.1K
Level 6 Sprout
Solved problems for 64 days in a row
6.6K
Level 5 Sprout
Solved problems for 32 days in a row
11K
Level 4 Sprout
Solved problems for 16 days in a row
19K
Level 3 Sprout
Solved problems for 8 days in a row
36K
1
2