We're thrilled to invite you to participate in our upcoming [**Brain Booster Round #11**](https://serious-oj.com/contests/01a0294d-2f7c-7c74-be74-a3c1d776de67) programming contest at [**SeriousOJ**](https://serious-oj.com/).↵
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* Problem setter : [user:Bullet,2024-11-03], [user:_ASRafi__,2024-09-15]↵
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* Problem tester : [user:thakuremon,2024-4-01], [user:Abid_52,2024-12-16], [user:SIR01,2026-08-23], [user:mahmudulsakib2019,2026-08-23], [user:Fahmi_Nafi_46,2026-8-02], [user:sabbirahmedfahim,2026-08-23]↵
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* Time: [**Monday, 24 August 2026 at 20:30 (BST)**](https://www.timeanddate.com/worldclock/fixedtime.html?msg=Brain+Booster+Round+11&iso=20260824T2030&p1=73&ah=2&am=15)↵
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* Problems: 6↵
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* Duration: 2:15 hours↵
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* Difficulty: Similar to Codeforces Div 3 — Div 2↵
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* Rated : All↵
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**Score Distribution** : 500 — 750 — 1000 — 1500 — 2200 — 2500↵
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Special thanks to [user:Clown1331,2019-3-6], owner of **SeriousOJ**.↵
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Registration:↵
Please register for the contest on [**SeriousOJ**](https://serious-oj.com/). If you encounter any issues on the register, be sure to check your spam folder for the confirmation email.↵
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Good luck & Have fun!!!!
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* Problem setter : [user:Bullet,2024-11-03], [user:_ASRafi__,2024-09-15]↵
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* Problem tester : [user:thakuremon,2024-4-01], [user:Abid_52,2024-12-16], [user:SIR01,2026-08-23], [user:mahmudulsakib2019,2026-08-23], [user:Fahmi_Nafi_46,2026-8-02], [user:sabbirahmedfahim,2026-08-23]↵
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* Time: [**Monday, 24 August 2026 at 20:30 (BST)**](https://www.timeanddate.com/worldclock/fixedtime.html?msg=Brain+Booster+Round+11&iso=20260824T2030&p1=73&ah=2&am=15)↵
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* Problems: 6↵
↵
* Duration: 2:15 hours↵
↵
* Difficulty: Similar to Codeforces Div 3 — Div 2↵
↵
* Rated : All↵
↵
**Score Distribution** : 500 — 750 — 1000 — 1500 — 2200 — 2500↵
↵
↵
Special thanks to [user:Clown1331,2019-3-6], owner of **SeriousOJ**.↵
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↵
↵
↵
↵
Registration:↵
Please register for the contest on [**SeriousOJ**](https://serious-oj.com/). If you encounter any issues on the register, be sure to check your spam folder for the confirmation email.↵
↵
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Good luck & Have fun!
