Hi, I am [user:TheQueenOfHatred,2023-08-15], staff of [solved.ac](https://solved.ac/en).↵
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We will hold 2023 KSA Automata Summer Contest · Arena #4. The problems are prepared by Automata, algorithmic problem solving research group of [Korea Science Academy of KAIST](https://www.ksa.hs.kr/Eng).↵
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- Time: https://www.timeanddate.com/worldclock/fixedtime.html?iso=20230818T1930&p1=235&ah=4&am=30 270 minutes↵
- No. of Problems: 10, 100 points each = 1000 points total↵
- The questions are sorted in order of difficulty expected by the jury.↵
- **Statements are available in both English and Korean.**↵
- Every problem has **partial points**.↵
- The scoreboard will freeze 60 minutes before the contest ends.↵
- There are bonus time/memory limits for some languages. Check [here](https://help.acmicpc.net/language/info) for details.↵
- Editorial will be posted after the contest ends.↵
↵
Please refer to the following guide for registering in the Arena contest:↵
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- https://help.solved.ac/en/arena/getting-started/link-account↵
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This contest is a solved.ac Arena contest. The following terms apply to an Arena contest.↵
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- Your performance in the Arena will change your arena rating if you register on the solved.ac Arena page.↵
- Registrations are open until 5 minutes before the contest starts. You can cancel registration anytime before the contest begins.↵
- You can participate in the Arena without registering. In this case, your rating will not change.↵
- **Please note that your rating will change even if you don't make a submission in the arena if you're registered.**↵
↵
Participants ranked 1st through 31st will receive a mobile voucher that can be used in Korea.↵
↵
However, 8 special prizes with hidden conditions are prepared. Also, among the participants registered in the Arena, 3 randomly selected participants will receive a metal badge commemorating their participation in the Arena as a small souvenir. **We deliver them internationally!**↵
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Participants get a solved.ac badge if they score 100 points or more, and a solved.ac background if they score 202.3 points or more.↵
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Problems have been prepared by: [user:flakepowders,2023-08-15], [user:juneekim7,2023-08-15], [user:mickey080929,2023-08-15], and [user:Respectively,2023-08-15].↵
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We would like to thank everyone that makes this contest possible:↵
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- [user:ai4youej,2023-08-15], [user:chromate00,2023-08-15], [user:cologne1723,2023-08-15], [user:DELTARUNE,2023-08-15], [user:Eunha,2023-08-15], [user:Go3,2023-08-15], [user:gs20036,2023-08-15], [user:jaime_spat,2023-08-15], [user:kiwiyou,2023-08-15], [user:leo020630,2023-08-15], [user:parkky,2023-08-15], [user:petamingks,2023-08-15], [user:shiftpsh,2023-08-15], [user:sl1slq96,2023-08-15], [user:utilforever,2023-08-15], and [user:yongwoods,2023-08-15] for testing the problems and making it much better.↵
- [user:BaaaaaaaaaaaaaaarkingDog,2023-08-15], [user:bennyk0406,2023-08-15], [user:jaime_spat,2023-08-15], [user:parkky,2023-08-15], and [user:utilforever,2023-08-15] for sponsoring our contest.↵
- Baekjoon Online Judge and solved.ac for great platforms.↵
↵
We look forward to your participation. Thank you!↵
↵
**UPD**: [Editorial](https://solved.ac/en/arena/4/editorial)↵
↵
We will hold 2023 KSA Automata Summer Contest · Arena #4. The problems are prepared by Automata, algorithmic problem solving research group of [Korea Science Academy of KAIST](https://www.ksa.hs.kr/Eng).↵
↵
- Time: https://www.timeanddate.com/worldclock/fixedtime.html?iso=20230818T1930&p1=235&ah=4&am=30 270 minutes↵
- No. of Problems: 10, 100 points each = 1000 points total↵
- The questions are sorted in order of difficulty expected by the jury.↵
- **Statements are available in both English and Korean.**↵
- Every problem has **partial points**.↵
- The scoreboard will freeze 60 minutes before the contest ends.↵
- There are bonus time/memory limits for some languages. Check [here](https://help.acmicpc.net/language/info) for details.↵
- Editorial will be posted after the contest ends.↵
↵
Please refer to the following guide for registering in the Arena contest:↵
↵
- https://help.solved.ac/en/arena/getting-started/link-account↵
↵
This contest is a solved.ac Arena contest. The following terms apply to an Arena contest.↵
↵
- Your performance in the Arena will change your arena rating if you register on the solved.ac Arena page.↵
- Registrations are open until 5 minutes before the contest starts. You can cancel registration anytime before the contest begins.↵
- You can participate in the Arena without registering. In this case, your rating will not change.↵
- **Please note that your rating will change even if you don't make a submission in the arena if you're registered.**↵
↵
Participants ranked 1st through 31st will receive a mobile voucher that can be used in Korea.↵
↵
However, 8 special prizes with hidden conditions are prepared. Also, among the participants registered in the Arena, 3 randomly selected participants will receive a metal badge commemorating their participation in the Arena as a small souvenir. **We deliver them internationally!**↵
↵
Participants get a solved.ac badge if they score 100 points or more, and a solved.ac background if they score 202.3 points or more.↵
↵
Problems have been prepared by: [user:flakepowders,2023-08-15], [user:juneekim7,2023-08-15], [user:mickey080929,2023-08-15], and [user:Respectively,2023-08-15].↵
↵
We would like to thank everyone that makes this contest possible:↵
↵
- [user:ai4youej,2023-08-15], [user:chromate00,2023-08-15], [user:cologne1723,2023-08-15], [user:DELTARUNE,2023-08-15], [user:Eunha,2023-08-15], [user:Go3,2023-08-15], [user:gs20036,2023-08-15], [user:jaime_spat,2023-08-15], [user:kiwiyou,2023-08-15], [user:leo020630,2023-08-15], [user:parkky,2023-08-15], [user:petamingks,2023-08-15], [user:shiftpsh,2023-08-15], [user:sl1slq96,2023-08-15], [user:utilforever,2023-08-15], and [user:yongwoods,2023-08-15] for testing the problems and making it much better.↵
- [user:BaaaaaaaaaaaaaaarkingDog,2023-08-15], [user:bennyk0406,2023-08-15], [user:jaime_spat,2023-08-15], [user:parkky,2023-08-15], and [user:utilforever,2023-08-15] for sponsoring our contest.↵
- Baekjoon Online Judge and solved.ac for great platforms.↵
↵
We look forward to your participation. Thank you!↵
↵
**UPD**: [Editorial](https://solved.ac/en/arena/4/editorial)↵
