QOJ.ac
QOJ
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hirayuu_qoj
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1500
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@halc_kyopro
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Accepted problems：12 problems
112811301136274227456755858985908591859391439156
Tried problems：20 problems
11291134113511371138113927432744274627476756675785929144914591469147914891559157
Authored problems：0 problem
NoneVirtual Participations：7 contests
| Name | Start time |
|---|---|
| International Olympiad in Informatics 2020 Day 1 | 2025-05-31 13:00:14 |
| International Olympiad in Informatics 2020 Day 2 | 2025-05-26 09:00:17 |
| (China) National Olympiad in Informatics 2024 Day 1 | 2024-08-30 08:03:40 |
| ETSR 2024 Day 2 Testing | 2024-07-31 11:30:01 |
| ETSR 2024 Day 1 Testing | 2024-07-28 12:00:53 |
| International Olympiad in Informatics 2018 Day 2 | 2024-06-09 12:00:37 |
| International Olympiad in Informatics 2018 Day 1 | 2024-06-02 12:00:02 |