solved.ac
Problems
Contribute
Arena
Rankings
Sign in
Problems
Arena
dong_gas
Diamond II
2571
29 until Diamond I
2,084
Solved
1,524
Contributions
34
Reverse rivals
Overview
History
Solved
Contributions
Badges
Backgrounds
All
Achievement
Arena
Season
Event
Contest
Sort
Date Added
# Unlocked Users
Tier
Sinchon Station (2022)
Participated in 2022 ICPC Sinchon Summer Algorithm Camp Contest, or solved 1 or more problems in its open contest
388
9500-card (2022)
Achieved 9,500 points in the Solved Blackjack Event, 2022
435
9900-card (2022)
Achieved 9,900 points in the Solved Blackjack Event, 2022
191
Summer Postcard Decoration: Top 1,000 (2022)
Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
884
Semi-Game Cup 3 (2022)
Solved 1 or more problems in Semi-Game Cup 3
170
Top Contributor, Season 2021
Top 100 contributor by contributions count in the 2021 season
100
UCPC 2022
Participated in UCPC 2022, or its open contest
991
2 Solves
Celebrated the 2nd anniversary of solved.ac
9.7K
2022 Sogang University Freshman Cup
Participated in 2022 Sogang University Freshman Cup, or solved 2 or more problems in its open contest
335
Chicken Dance (2022)
Solved 1 or more problems in the 1st Gomgom Cup · © Hana Kim
586
★★Twenty-two Stars★★ (2022)
Achieved 22-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
1K
★★Seventeen Stars★★ (2022)
Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
2.1K
Hello, world! (2022)
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
747
Binary Game 2 (2022)
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
747
16silver (2022)
Solved 1 or more problems in the 1st Silver Cup
125
SUAPC 2022w
Participated in SUAPC 2022 Winter
190
The 1st Blob Cup (2022)
Solved 1 or more problems in the 1st Blob Cup
317
IamCoder 2021 Year-end Contest
Participated in IamCoder 2021 Year-end Contest, or solved 1 or more problems in its open contest
170
Spend 2022 with BOJ
Solved 1 or more problems in Hello, BOJ 2022!
367
Spent 2021 with BOJ
Solved 1 or more problems in Good Bye, BOJ 2021!
644
1
2
3
4
5