### Hello, Codeforces!↵
↵
**<img src="/predownloaded/ad/b2/adb204ca4791dc3deabdfcd7262c867745be499e.jpg" style="width: 200.0px;float: right;margin: 0 1.0em 1.0em 1.0em;max-width: 100.0%;max-height: 100.0%;">**↵
↵
We are excited and pleased to announce that [contest:2189] will be held on [contest_time:2189]. This round will be rated for all participants with rating below $2100$. You will be given $2$ hours to solve $6$ problems and some problems will be divided into subtasks. ↵
↵
<strike>The round is based on the Sharygin International Geometry Olympiad</strike> All problems were authored and prepared by [user:yanb0,2026-01-20], [user:furt1ve,2026-01-20] and me.↵
↵
We would like to express our special thanks to:↵
↵
- [user:Akulyat,2026-01-20] for coordinating the round and assistance in preparing problems;↵
- the testers: [user: Wansur,2026-01-20], [user:__baozii__,2026-01-20], [user: k1r1t0,2026-01-20], [user: Mark_Pr,2026-01-20], [user:_istil,2026-01-20], [user: OG_Matveychick1,2026-01-20], [user: TimDee,2026-01-20], [user: zhenja,2026-01-20], [user: abs0lute,2026-01-20], [user: princeee,2026-01-20], [user: NotDWT,2026-01-20], [user: Sokol080808,2026-01-20], [user: machine_solution,2026-01-20], [user: pobe,2026-01-20], [user: madlogic,2026-01-20], [user: wuhudsm,2026-01-20], [user: pattern-seeker,2026-01-20], [user: dvb1r,2026-01-20], [user: VitaliiV,2026-01-20], [user: penwick,2026-01-20], [user: sanya37y,2026-01-20], [user: itz_pabloo,2026-01-20], [user: Morselllprimo,2026-01-20], [user: AK_15,2026-01-20], [user: Golden_Square,2026-01-20], [user: Norman165,2026-01-20], [user: arsen1y,2026-01-20], [user: graphs_enjoyer,2026-01-20], [user: tih-a,2026-01-20], [user: emirhanbanan,2026-01-20], [user: ak1ko,2026-01-20], [user: s97b,2026-01-20], [user: thereverberation,2026-01-20], [user: bibiq,2026-01-20] for their time and effort in testing the problems;↵
- [user:MikeMirzayanov,2025-12-16] and [user:KAN,2025-12-16] for the great platforms.↵
↵
The score distribution is below.↵
↵
$500-1000-(1250+750)-(2000+750)-2500-3250$↵
↵
**GLHF!**↵
↵
**UPD1** The round is over, thank you for participation. ↵
↵
**UPD2** [Editorial](https://codeforces.me/blog/entry/150452)↵
↵
↵
**UPD3** Winners and First to solve↵
↵
Div2↵
↵
<table class="bordertable">↵
<tbody>↵
<tr>↵
<th> Place </th>↵
<th> Participant </th>↵
</tr>↵
<tr>↵
<th> 1 </th>↵
<th> [user: Timmyliuyunxi, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 2 </th>↵
<th> [user: mainkkk, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 3 </th>↵
<th> [user: Suzt_ilymtics, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 4 </th>↵
<th> [user: RaresPoinaru, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 5 </th>↵
<th> [user: bookpig, 2026-01-23] </th>↵
</tr>↵
</tbody>↵
</table>↵
↵
Div1 + Div2↵
↵
<table class="bordertable">↵
<tbody>↵
<tr>↵
<th> Place </th>↵
<th> Participant </th>↵
</tr>↵
<tr>↵
<th> 1 </th>↵
<th> [user: StarSilk, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 2 </th>↵
<th> [user: Rubikun, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 3 </th>↵
<th> [user: ksun48, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 4 </th>↵
<th> [user: potato167, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 5 </th>↵
<th> [user: kotatsugame, 2026-01-23] </th>↵
</tr>↵
</tbody>↵
</table>↵
↵
First to solve↵
↵
<table class="bordertable">↵
<tbody>↵
<tr>↵
<th> Task </th>↵
<th> Participant </th>↵
</tr>↵
<tr>↵
<th> A </th>↵
<th> [user: i_hate_pahadans, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> B </th>↵
<th> [user: 300iq, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> C1 </th>↵
<th> [user: thaibao08, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> C2 </th>↵
<th> [user: Codfish, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> D1 </th>↵
<th> [user: porzlck, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> D2 </th>↵
<th> [user: YuukiS, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> E </th>↵
<th> [user: Baskot, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> F </th>↵
<th> [user: GoatMessi30, 2026-01-23] </th>↵
</tr>↵
</tbody>↵
</table>↵
↵
↵
↵
**<img src="/predownloaded/ad/b2/adb204ca4791dc3deabdfcd7262c867745be499e.jpg" style="width: 200.0px;float: right;margin: 0 1.0em 1.0em 1.0em;max-width: 100.0%;max-height: 100.0%;">**↵
↵
We are excited and pleased to announce that [contest:2189] will be held on [contest_time:2189]. This round will be rated for all participants with rating below $2100$. You will be given $2$ hours to solve $6$ problems and some problems will be divided into subtasks. ↵
↵
<strike>The round is based on the Sharygin International Geometry Olympiad</strike> All problems were authored and prepared by [user:yanb0,2026-01-20], [user:furt1ve,2026-01-20] and me.↵
↵
We would like to express our special thanks to:↵
↵
- [user:Akulyat,2026-01-20] for coordinating the round and assistance in preparing problems;↵
- the testers: [user: Wansur,2026-01-20], [user:__baozii__,2026-01-20], [user: k1r1t0,2026-01-20], [user: Mark_Pr,2026-01-20], [user:_istil,2026-01-20], [user: OG_Matveychick1,2026-01-20], [user: TimDee,2026-01-20], [user: zhenja,2026-01-20], [user: abs0lute,2026-01-20], [user: princeee,2026-01-20], [user: NotDWT,2026-01-20], [user: Sokol080808,2026-01-20], [user: machine_solution,2026-01-20], [user: pobe,2026-01-20], [user: madlogic,2026-01-20], [user: wuhudsm,2026-01-20], [user: pattern-seeker,2026-01-20], [user: dvb1r,2026-01-20], [user: VitaliiV,2026-01-20], [user: penwick,2026-01-20], [user: sanya37y,2026-01-20], [user: itz_pabloo,2026-01-20], [user: Morselllprimo,2026-01-20], [user: AK_15,2026-01-20], [user: Golden_Square,2026-01-20], [user: Norman165,2026-01-20], [user: arsen1y,2026-01-20], [user: graphs_enjoyer,2026-01-20], [user: tih-a,2026-01-20], [user: emirhanbanan,2026-01-20], [user: ak1ko,2026-01-20], [user: s97b,2026-01-20], [user: thereverberation,2026-01-20], [user: bibiq,2026-01-20] for their time and effort in testing the problems;↵
- [user:MikeMirzayanov,2025-12-16] and [user:KAN,2025-12-16] for the great platforms.↵
↵
The score distribution is below.↵
↵
$500-1000-(1250+750)-(2000+750)-2500-3250$↵
↵
**GLHF!**↵
↵
**UPD1** The round is over, thank you for participation. ↵
↵
**UPD2** [Editorial](https://codeforces.me/blog/entry/150452)↵
↵
↵
**UPD3** Winners and First to solve↵
↵
Div2↵
↵
<table class="bordertable">↵
<tbody>↵
<tr>↵
<th> Place </th>↵
<th> Participant </th>↵
</tr>↵
<tr>↵
<th> 1 </th>↵
<th> [user: Timmyliuyunxi, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 2 </th>↵
<th> [user: mainkkk, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 3 </th>↵
<th> [user: Suzt_ilymtics, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 4 </th>↵
<th> [user: RaresPoinaru, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 5 </th>↵
<th> [user: bookpig, 2026-01-23] </th>↵
</tr>↵
</tbody>↵
</table>↵
↵
Div1 + Div2↵
↵
<table class="bordertable">↵
<tbody>↵
<tr>↵
<th> Place </th>↵
<th> Participant </th>↵
</tr>↵
<tr>↵
<th> 1 </th>↵
<th> [user: StarSilk, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 2 </th>↵
<th> [user: Rubikun, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 3 </th>↵
<th> [user: ksun48, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 4 </th>↵
<th> [user: potato167, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> 5 </th>↵
<th> [user: kotatsugame, 2026-01-23] </th>↵
</tr>↵
</tbody>↵
</table>↵
↵
First to solve↵
↵
<table class="bordertable">↵
<tbody>↵
<tr>↵
<th> Task </th>↵
<th> Participant </th>↵
</tr>↵
<tr>↵
<th> A </th>↵
<th> [user: i_hate_pahadans, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> B </th>↵
<th> [user: 300iq, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> C1 </th>↵
<th> [user: thaibao08, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> C2 </th>↵
<th> [user: Codfish, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> D1 </th>↵
<th> [user: porzlck, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> D2 </th>↵
<th> [user: YuukiS, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> E </th>↵
<th> [user: Baskot, 2026-01-23] </th>↵
</tr>↵
<tr>↵
<th> F </th>↵
<th> [user: GoatMessi30, 2026-01-23] </th>↵
</tr>↵
</tbody>↵
</table>↵
↵
↵
