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Platinum IV

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Platinum IV

ert1015

Platinum IV 183169 until Platinum III

1,564 Solved 21 Contributions3 Reverse rivals

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메리 크리스마스 2023
2023년 크리스마스 이브 또는 크리스마스에 한 문제 이상 해결했다
Condition 2023년 12월 24일 오전 6시부터 2023년 12월 26일 오전 6시 사이에 이전에 풀지 않았던 문제 중 아무 문제나 한 문제 이상 해결
5.5K
Full Binary Christmas Tree
Condition Reach level 4 or deeper on the deepest ornament card in the Make a Tree event, 2022
1.1K
ICPC World Finals Dhaka
Condition Participated in ICPC World Finals Dhaka Cheering Event
871
IOI 2022 Indonesia
Condition Participated in the Cheering Event of IOI 2022 Korean Representatives
1.5K
Midsummer Memories
Condition Achieve a score of over 1,800 in the Postcard Decoration Event 2022
1.4K
Merry Christmas 2021
Solved a problem in Christmas or Christmas Eve 2021
Condition Solve 1 or more previously unsolved problems between 6:00 AM on December 24, 2021 and 6:00 AM on December 26, 2021
3.5K
Pocky Day 2021
Solved a problem in Pocky day 2021
Condition Solved previously unsolved problem at between November 11th, 2021 06:00 and November 12th, 2021 06:00 (KST)
3.3K
TRICK|TREAT 2021
Solved a problem in Halloween 2021
Condition Solved previously unsolved problem at between October 31st, 2021 06:00 and November 1st, 2021 06:00 (KST)
2.6K
ICPC World Finals Moscow
Condition Participated in ICPC World Finals Moscow Cheering Event
601