solved.ac
Problems
Contribute
Arena
Rankings
Sign in
Problems
Arena
akkan
Gold I
1434
166 until Platinum V
280
Solved
4
Reverse rivals
Overview
History
Solved
Contributions
Badges
Backgrounds
All
Achievement
Arena
Season
Event
Contest
Sort
Date Added
# Unlocked Users
Tier
Level 1 Sprout
Solved problems for 2 days in a row
123K
Level 2 Sprout
Solved problems for 4 days in a row
78K
Level 3 Sprout
Solved problems for 8 days in a row
36K
Level 4 Sprout
Solved problems for 16 days in a row
19K
Level 5 Sprout
Solved problems for 32 days in a row
11K
2022 1st Calculus, Probability, and Statistics Cup
Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
359
IamCoder 2022 Year-end Contest
Participated in IamCoder 2022 Year-end Contest, or in its open contest
269
SciOI 2022
Participated in SciOI 2022, or solved 1 or more problems in its open contest
226
GBS Coding Contest 2022
Participated in GBS Coding Contest 2022, or solved 1 or more problems in its open contest
292
Newbie Problem-solver
Solve 10 problems
149K
Beginner Problem-solver
Solve 50 problems
104K
Apprentice Problem-solver
Solve 100 problems
65K
Skilled Problem-solver
Solve 200 problems
31K
Boardgame Cup (2023)
Solved 1 or more problems in Boardgame Cup
584
2023 KSA Automata Winter Contest
Achieved a score of over 100 in the 2023 KSA Automata Winter Contest
362
Anime Cup (2023)
Solved 1 or more problems in Anime Cup Season 1 or 2
766
SUAPC 2023w
Participated in SUAPC 2023 Winter, or solved 1 or more problems in its open contest
380
2023 Chung-Ang University CHAC
Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest
341
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
1
2