Hello, Codeforces!↵
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<img alt="Alt text here" src="/predownloaded/c8/5e/c85eb6745a5c1ff6745d771e471550bc9219156b.png" style="float:right;height: 150px; margin: 10px; max-width:40%;"/>↵
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[user:__baozii__,2026-02-28] and I are glad to invite you to participate in [contest:2209]. The round will take place at [contest_time:2209]. There will be $6$ problems, and you will have $2$ hours to solve them. The round will be held according to the Codeforces rules and will be rated for division $2$.↵
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At least one problem will be interactive, so we highly recommend you to read [guide for interactive problems](https://mirror.codeforces.com/blog/entry/45307) before the contest.↵
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**UPD: score distribution:**$500 - 750 - 1500 - 1750 - 2250 - 3000$. ↵
**UPD:**[editorial](https://mirror.codeforces.com/blog/entry/152272)↵
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We would like to thank:↵
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+ [user:Sugar_Fan,2026-02-28] for coordination.↵
+ [user:Alexdat2000,2026-03-19] for Russian translation.↵
+ [user:MikeMirzayanov,2026-02-28] and [user:KAN,2026-02-28] for the best platform.↵
+ [user:Um_nik,2026-02-28], [user:Dominater069,2026-02-28] for nutella testing.↵
+ [user:tobo,2026-03-19], [user:Intellegent,2026-02-28], [user:A_G,2026-02-28], [user:k1r1t0,2026-02-28], [user:_istil,2026-02-28], [user:nifeshe,2026-02-28] for red testing.↵
+ [user:0x3f,2026-02-28], [user:proof_by_QED,2026-02-28], [user:FelixArg,2026-02-28], [user:DNR,2026-02-28], [user:-firefly-,2026-02-28], [user:Timosh,2026-02-28], [user:Arpa,2026-02-28] for orange testing.↵
+ [user:madlogic,2026-02-28], [user:Amao_fox,2026-03-19], [user:Jamshed11,2026-03-03] for purple testing.↵
+ [user:chromate00,2026-02-28], [user:simplelife,2026-02-28], [user:Argentum47,2026-02-28], [user:satyam343,2026-02-28], [user:SkyWave2022,2026-02-28] for blue testing.↵
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Wishing everyone good luck and high ratings!↵
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upd:↵
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top $10$:↵
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1.[user:DrASM,2026-03-22]↵
2.[user:bismispis,2026-03-227]↵
32. [user:415411,2026-03-227]↵
43. [user:TripleM5da,2026-03-227]↵
54. [user:StarSilk,2026-03-227]↵
65. [user:undefined_Ryan,2026-03-227]↵
76. [user:maspy,2026-03-227]↵
87. [user:Celesseody473,2026-03-27]↵
8. [user:antontrygubO_o,2026-03-227]↵
9. [user:kjp4155YuukiS,2026-03-227]↵
10. [user:Cody473potato167,2026-03-227]↵
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top $10$ rated:↵
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1. [user:DrAsmbismispis,2026-03-227]↵
2. [user:bismispisundefined_Ryan,2026-03-227]↵
3. [user:undefined_RyanCody473,2026-03-227]↵
4. [user:Celesseqwertyuiojhygtfdfg,2026-03-227]↵
5. [user:kjp4155AJ123496,2026-03-227]↵
6. [user:Cody473pixelcoder20,2026-03-227]↵
7. [user:CokeScientistRavnik,2026-03-22] 7]↵
8. [user:jnccyyyqKhai2007,2026-03-22] 7]↵
9. [user:AJ123496ixumqwq,2026-03-227]↵
10. [user:nihaaleee_annhien_ruby22,2026-03-227]↵
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Notes that there will be an update about the top $10$ after roll-back.
↵
<img alt="Alt text here" src="/predownloaded/c8/5e/c85eb6745a5c1ff6745d771e471550bc9219156b.png" style="float:right;height: 150px; margin: 10px; max-width:40%;"/>↵
↵
[user:__baozii__,2026-02-28] and I are glad to invite you to participate in [contest:2209]. The round will take place at [contest_time:2209]. There will be $6$ problems, and you will have $2$ hours to solve them. The round will be held according to the Codeforces rules and will be rated for division $2$.↵
↵
At least one problem will be interactive, so we highly recommend you to read [guide for interactive problems](https://mirror.codeforces.com/blog/entry/45307) before the contest.↵
↵
**UPD: score distribution:**$500 - 750 - 1500 - 1750 - 2250 - 3000$. ↵
**UPD:**[editorial](https://mirror.codeforces.com/blog/entry/152272)↵
↵
We would like to thank:↵
↵
+ [user:Sugar_Fan,2026-02-28] for coordination.↵
+ [user:Alexdat2000,2026-03-19] for Russian translation.↵
+ [user:MikeMirzayanov,2026-02-28] and [user:KAN,2026-02-28] for the best platform.↵
+ [user:Um_nik,2026-02-28], [user:Dominater069,2026-02-28] for nutella testing.↵
+ [user:tobo,2026-03-19], [user:Intellegent,2026-02-28], [user:A_G,2026-02-28], [user:k1r1t0,2026-02-28], [user:_istil,2026-02-28], [user:nifeshe,2026-02-28] for red testing.↵
+ [user:0x3f,2026-02-28], [user:proof_by_QED,2026-02-28], [user:FelixArg,2026-02-28], [user:DNR,2026-02-28], [user:-firefly-,2026-02-28], [user:Timosh,2026-02-28], [user:Arpa,2026-02-28] for orange testing.↵
+ [user:madlogic,2026-02-28], [user:Amao_fox,2026-03-19], [user:Jamshed11,2026-03-03] for purple testing.↵
+ [user:chromate00,2026-02-28], [user:simplelife,2026-02-28], [user:Argentum47,2026-02-28], [user:satyam343,2026-02-28], [user:SkyWave2022,2026-02-28] for blue testing.↵
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Wishing everyone good luck and high ratings!↵
↵
upd:↵
↵
top $10$:↵
↵
1.
2.
8. [user:antontrygubO_o,2026-03-2
9. [user:
10. [user:
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top $10$ rated:↵
↵
1. [user:
2. [user:
3. [user:
4. [user:
5. [user:
6. [user:
7. [user:
8. [user:
9. [user:
10. [user:
↵
Notes that there will be an update about the top $10$ after roll-back.



