Hello, Codeforces!↵
↵
We are glad to invite you to take part in [contest:2222], which will start on [contest_time:2222]. You will be given **8 problems** and **2.5 hours** to solve them. This round will be combined for Division 1 and Division 2 and will be rated for everyone.↵
↵
All problems are authored by [user:lizhous,2026-04-22], [user:Lyz09,2026-04-22], [user:ma2021tyoi0037,2026-04-22], [user:hzy_____,2026-04-22] and me.↵
↵
We would like to thank the following people for making this round possible:↵
↵
- [user:Um_nik,2026-04-22] for pre-reviewing the round.↵
- [user:Error_Yuan,2026-04-22] for the coordination and helping with preparation.↵
- [user:Alexdat2000,2026-04-22] for Russian translation.↵
- [user:Rebex,2026-04-22] for providing some rejected problems and preparing some problems.↵
- [user:_Diu_,2026-04-22] and [user:zltzlt,2026-04-22] for International Grandmaster Testing.↵
- [user:Qwerty1232,2026-04-22], [user:_istil,2026-04-22] and [user:SunsetGlow95,2026-04-22] for Grandmaster Testing.↵
- [user:Arpa,2026-04-22] for Master Testing.↵
- [user:teruel,2026-04-22], [user:SpyrosAliv,2026-04-22] and [user:Mahmoud-Atia,2026-04-22] for Candidate Master Testing.↵
- [user:Enzinho,2026-04-22], [user:JuanJr,2026-04-22] for Expert Testing.↵
- [user:khanter_,2026-04-22] for Pupil Testing.↵
- **You** for participating the round.↵
- [user:MikeMirzayanov,2026-04-22] and [user:KAN,2026-04-22] for Codeforces and Polygon systems.↵
↵
Score distribution will be announced later.↵
↵
Now a few words from our sponsor.↵
↵
<p>↵
<img style="float: right; margin: 0 1em 0.5em 1em; width: 400px;" ↵
src="/predownloaded/9b/5b/9b5bd2cb8efc932da2742d0fbb1ab589202373f4.png" ↵
alt="Spectral Technologies">↵
<a href="https://spectral.tech"><b>Spectral::Technologies</b></a> is an HFT fund – we build trading strategies and low-latency infrastructure for global markets. The people doing this: IMO, IOI, IPhO and All-Russian Olympiad medalists and top engineers – people who love the challenge and always want a bigger one. That's who Spectral was built for.↵
</p>↵
↵
<p> ↵
We are actively hiring! <b>Check out our Quant roles:</b>↵
</p>↵
<ul>↵
<li><a href="http://assets.codeforces.com/spectraltech/junior/"><b>Junior Quant</b></a> – 150–180k USD + profit sharing</li>↵
<li><a href="https://assets.codeforces.com/spectraltech/middle/"><b>Middle Quant</b></a> – 240–320k USD + profit sharing</li>↵
<li><a href="https://assets.codeforces.com/spectraltech/senior/"><b>Senior Quant</b></a> – 360–500k USD + profit sharing</li>↵
</ul>↵
↵
<p>↵
We’re also hiring for C++, ML, and DevOps roles. Complete the application form to explore career opportunities with us.↵
</p>↵
<center style="margin: 2em;"> <a href="https://mirror.codeforces.com/userForm/9bab7ae9304cbc32" style="text-decoration: none;font-size: 18.0px;background-color: rgb(153, 204, 255);color: rgb(0, 0, 0);font-weight: bold;padding: 0.5em 1.0em;">Apply</a> <span style="font-size: 30px;"></span>↵
</center>↵
↵
<p>↵
We are excited to sponsor this Round as part of <b>Spectral::Cup 2026</b> — a three-round tournament where prizes get more valuable with every round.↵
</p>↵
↵
<p><b>Prizes for Round 1:</b></p>↵
<p>Top 30 will get merch bags with stickers and personalized t-shirts.</p>↵
↵
<p>Make sure that you take part in all three rounds to improve your chances to get the main prizes. We prepared <b>bigger prizes for top performers by their final score in Spectral::Cup 2026</b>. The final score will be calculated based on your best 2 results. ↵
<ul>↵
<li>Top-3 by final score will get (1st) MacBook Pro, (2nd) iPad Pro, (3rd) Whoop — or↵
USDT equivalent to the prize value</li>↵
<li>Top-15 by final score will get Claude subscription</li>↵
<li>30 random participants among top 500 based on the final score will get additional prizes</li>↵
</ul>↵
↵
<p><b>Code fast, think faster – see you in the next round of Spectral::Cup 2026!</b></p>↵
↵
We are glad to invite you to take part in [contest:2222], which will start on [contest_time:2222]. You will be given **8 problems** and **2.5 hours** to solve them. This round will be combined for Division 1 and Division 2 and will be rated for everyone.↵
↵
All problems are authored by [user:lizhous,2026-04-22], [user:Lyz09,2026-04-22], [user:ma2021tyoi0037,2026-04-22], [user:hzy_____,2026-04-22] and me.↵
↵
We would like to thank the following people for making this round possible:↵
↵
- [user:Um_nik,2026-04-22] for pre-reviewing the round.↵
- [user:Error_Yuan,2026-04-22] for the coordination and helping with preparation.↵
- [user:Alexdat2000,2026-04-22] for Russian translation.↵
- [user:Rebex,2026-04-22] for providing some rejected problems and preparing some problems.↵
- [user:_Diu_,2026-04-22] and [user:zltzlt,2026-04-22] for International Grandmaster Testing.↵
- [user:Qwerty1232,2026-04-22], [user:_istil,2026-04-22] and [user:SunsetGlow95,2026-04-22] for Grandmaster Testing.↵
- [user:Arpa,2026-04-22] for Master Testing.↵
- [user:teruel,2026-04-22], [user:SpyrosAliv,2026-04-22] and [user:Mahmoud-Atia,2026-04-22] for Candidate Master Testing.↵
- [user:Enzinho,2026-04-22], [user:JuanJr,2026-04-22] for Expert Testing.↵
- [user:khanter_,2026-04-22] for Pupil Testing.↵
- **You** for participating the round.↵
- [user:MikeMirzayanov,2026-04-22] and [user:KAN,2026-04-22] for Codeforces and Polygon systems.↵
↵
Score distribution will be announced later.↵
↵
Now a few words from our sponsor.↵
↵
<p>↵
<img style="float: right; margin: 0 1em 0.5em 1em; width: 400px;" ↵
src="/predownloaded/9b/5b/9b5bd2cb8efc932da2742d0fbb1ab589202373f4.png" ↵
alt="Spectral Technologies">↵
<a href="https://spectral.tech"><b>Spectral::Technologies</b></a> is an HFT fund – we build trading strategies and low-latency infrastructure for global markets. The people doing this: IMO, IOI, IPhO and All-Russian Olympiad medalists and top engineers – people who love the challenge and always want a bigger one. That's who Spectral was built for.↵
</p>↵
↵
<p> ↵
We are actively hiring! <b>Check out our Quant roles:</b>↵
</p>↵
<ul>↵
<li><a href="http://assets.codeforces.com/spectraltech/junior/"><b>Junior Quant</b></a> – 150–180k USD + profit sharing</li>↵
<li><a href="https://assets.codeforces.com/spectraltech/middle/"><b>Middle Quant</b></a> – 240–320k USD + profit sharing</li>↵
<li><a href="https://assets.codeforces.com/spectraltech/senior/"><b>Senior Quant</b></a> – 360–500k USD + profit sharing</li>↵
</ul>↵
↵
<p>↵
We’re also hiring for C++, ML, and DevOps roles. Complete the application form to explore career opportunities with us.↵
</p>↵
<center style="margin: 2em;"> <a href="https://mirror.codeforces.com/userForm/9bab7ae9304cbc32" style="text-decoration: none;font-size: 18.0px;background-color: rgb(153, 204, 255);color: rgb(0, 0, 0);font-weight: bold;padding: 0.5em 1.0em;">Apply</a> <span style="font-size: 30px;"></span>↵
</center>↵
↵
<p>↵
We are excited to sponsor this Round as part of <b>Spectral::Cup 2026</b> — a three-round tournament where prizes get more valuable with every round.↵
</p>↵
↵
<p><b>Prizes for Round 1:</b></p>↵
<p>Top 30 will get merch bags with stickers and personalized t-shirts.</p>↵
↵
<p>Make sure that you take part in all three rounds to improve your chances to get the main prizes. We prepared <b>bigger prizes for top performers by their final score in Spectral::Cup 2026</b>. The final score will be calculated based on your best 2 results. ↵
<ul>↵
<li>Top-3 by final score will get (1st) MacBook Pro, (2nd) iPad Pro, (3rd) Whoop — or↵
USDT equivalent to the prize value</li>↵
<li>Top-15 by final score will get Claude subscription</li>↵
<li>30 random participants among top 500 based on the final score will get additional prizes</li>↵
</ul>↵
↵
<p><b>Code fast, think faster – see you in the next round of Spectral::Cup 2026!</b></p>↵
