solved.ac
Problems
Contribute
Arena
Rankings
Sign in
Problems
Arena
keystone7
Diamond I
2613
87 until Ruby V
670
Solved
66
Contributions
14
Reverse rivals
Overview
History
Solved
Contributions
Badges
Backgrounds
All
Achievement
Arena
Season
Event
Contest
Sort
Date Added
# Unlocked Users
UCPC 2024
2024๋ 8์ 3์ผ @LG์ ์ ์์ดR&D์บ ํผ์ค
Condition
UCPC 2024 ํน์ Open Contest์ ์ถ์
782
์์ฆ 3 ๋ค์ด์๋ชฌ๋ 1
Condition
์์ฆ 3์ ๋ค์ด์๋ชฌ๋ 1 ๋ฌ์ฑ
86
์์ฆ 2 ๋ค์ด์๋ชฌ๋ 1
Condition
์์ฆ 2์ ๋ค์ด์๋ชฌ๋ 1 ๋ฌ์ฑ
76
์๋ก์ด ์งํ
solved.ac์ 3์ฃผ๋ ๊ณผ ํจ๊ปํ๋ค
Condition
2023๋ 5์ 30์ผ ์ค์ 6์์ 2023๋ 6์ 6์ผ ์ค์ 6์ ์ฌ์ด์, ์ด์ ์ ํ์ง ์์๋ ๋ฌธ์ ์ค ์๋ฌด ๋ฌธ์ ๋ ํ ๋ฌธ์ ์ด์ ํด๊ฒฐ
12K
+ 100,000
10๋ง ๋ช ์ ํ๋ก๊ทธ๋๋จธ์ ๋ฌธ์ ํด๊ฒฐ ์ฌ์ ์ ํจ๊ปํ๋ค (2023๋ 5์ 7์ผ ์คํ 6์ 54๋ถ)
Condition
2023๋ 5์ 7์ผ ์คํ 6์ 54๋ถ ์ดํ, 2023๋ 6์ 7์ผ ์ค์ 6์ ์ด์ ์ solved.ac์ ์ ์
18K
Season 2021 โ Diamond III
Condition
Reached Diamond III in Season 2021
94
Magician of the Library
Celebrated the 2nd anniversary of solved.ac
Condition
Solve 1 or more previously unsolved problems between 6:00 AM on May 30, 2022 and 6:00 AM on June 6, 2022
9.7K
Green Matrix Grid: Dark Mode
More epic green matrix grid
Condition
(Hidden)
10K
Stars in the Evening Sky
She who has a star in her heart never gets lost in the dark
Condition
Bought the background at the coin shop
2.9K
Standard Library
Celebrated the 1st anniversary of solved.ac
Condition
Solved previously unsolved problem at between May 31st, 2021 00:00 and June 8th, 2021 00:00 (KST)
5K
Season 2020 โ Platinum I
Condition
Reached Platinum I in Season 2020
141
1