Hello Codeforces!↵
↵
On [contest_time:1701] [contest:1701] will start.↵
↵
Series of Educational Rounds continue being held as [Harbour.Space University](https://harbour.space/) initiative! You can read the details about the cooperation between [Harbour.Space University](https://harbour.space/) and Codeforces in the <a href="http://mirror.codeforces.com/blog/entry/51208">blog post</a>.↵
↵
This round will be **rated for the participants with rating lower than 2100**. It will be held on extended ICPC rules. The penalty for each incorrect submission until the submission with a full solution is 10 minutes. After the end of the contest you will have 12 hours to hack any solution you want. You will have access to copy any solution and test it locally.↵
↵
You will be given **6 or 7 problems** and **2 hours** to solve them.↵
↵
The problems were invented and prepared by Adilbek [user:adedalic,2022-07-07] Dalabaev, Vladimir [user:vovuh,2022-07-07] Petrov, Ivan [user:BledDest,2022-07-07] Androsov, Maksim [user:Neon,2022-07-07] Mescheryakov and me. Also huge thanks to Mike [user:MikeMirzayanov,2022-07-07] Mirzayanov for great systems Polygon and Codeforces.↵
↵
Good luck to all the participants!↵
↵
Our friends at Harbour.Space also have a message for you:↵
↵
<img alt="Harbour.Space" src="https://mirror.codeforces.com/predownloaded/df/b7/dfb7682b83f6d67b47ade9d1f9ea236c131665b6.png" style="float:center;height: 250px; margin: 10px; max-width:50%;"/>↵
↵
_Hey, Codeforces!_↵
↵
_Welcome to the 131st educational round hosted by Harbour.Space and Codeforces._ ↵
↵
_Quite exciting, isn’t it? Now it's time for you to dive deeper into the competitive programming world with the 10 days intensive Summer Camp organized by Harbour.Space and Leagues of Code._↵
↵
_Don’t forget about the discounts for participating in our [Summer Camp](https://summer-camp.leaguesofcode.com/?utm_source=codeforces&utm_medium=partner&utm_campaign=summer_camp). Every member of the Codeforces community gets a 30% discount for on-site participation or a 50% discount for online participation with promo-code CFLOC2022._↵
↵
_Our Summer Camp is a training program that will teach participants competitive programming. It will take place in Barcelona and online on July 18-29, both participation formats are available._ ↵
↵
_We are inviting students ages 10 to 24, interested in improving their skills or seeking intensive, high-level training prior to the IOI. Teachers in the camp will be ICPC World Final Silver medalist [user:mhq,2022-07-07], SWERC 2022 Winners [user:MaksymOboznyi,2022-07-07], ICPC World Final Champion [user:pashka,2022-07-07] and others. Participants will be divided into classes based on their level and previous experience. Classes will be held in English._↵
↵
<center style="margin:2.5em;">↵
<a href="https://summer-camp.leaguesofcode.com?utm_source=codeforces&utm_medium=partner&utm_campaign=summer_camp" style="text-decoration:none; font-size:16px; background-color:#081131; color:white; font-weight:bold; padding:0.5em 1em;">Learn more →</a>↵
</center>↵
↵
<img alt="Harbour.Space" src="https://mirror.codeforces.com/predownloaded/b5/f0/b5f0e73847bbc6a7c44f96eab78af6b30a009afb.png" style="float:center;height: 250px; margin: 10px; max-width:50%;"/>↵
↵
_Good luck with the round!_↵
↵
**UPD:** [Editorial is out](https://mirror.codeforces.com/blog/entry/104671)
↵
On [contest_time:1701] [contest:1701] will start.↵
↵
Series of Educational Rounds continue being held as [Harbour.Space University](https://harbour.space/) initiative! You can read the details about the cooperation between [Harbour.Space University](https://harbour.space/) and Codeforces in the <a href="http://mirror.codeforces.com/blog/entry/51208">blog post</a>.↵
↵
This round will be **rated for the participants with rating lower than 2100**. It will be held on extended ICPC rules. The penalty for each incorrect submission until the submission with a full solution is 10 minutes. After the end of the contest you will have 12 hours to hack any solution you want. You will have access to copy any solution and test it locally.↵
↵
You will be given **6 or 7 problems** and **2 hours** to solve them.↵
↵
The problems were invented and prepared by Adilbek [user:adedalic,2022-07-07] Dalabaev, Vladimir [user:vovuh,2022-07-07] Petrov, Ivan [user:BledDest,2022-07-07] Androsov, Maksim [user:Neon,2022-07-07] Mescheryakov and me. Also huge thanks to Mike [user:MikeMirzayanov,2022-07-07] Mirzayanov for great systems Polygon and Codeforces.↵
↵
Good luck to all the participants!↵
↵
Our friends at Harbour.Space also have a message for you:↵
↵
<img alt="Harbour.Space" src="https://mirror.codeforces.com/predownloaded/df/b7/dfb7682b83f6d67b47ade9d1f9ea236c131665b6.png" style="float:center;height: 250px; margin: 10px; max-width:50%;"/>↵
↵
_Hey, Codeforces!_↵
↵
_Welcome to the 131st educational round hosted by Harbour.Space and Codeforces._ ↵
↵
_Quite exciting, isn’t it? Now it's time for you to dive deeper into the competitive programming world with the 10 days intensive Summer Camp organized by Harbour.Space and Leagues of Code._↵
↵
_Don’t forget about the discounts for participating in our [Summer Camp](https://summer-camp.leaguesofcode.com/?utm_source=codeforces&utm_medium=partner&utm_campaign=summer_camp). Every member of the Codeforces community gets a 30% discount for on-site participation or a 50% discount for online participation with promo-code CFLOC2022._↵
↵
_Our Summer Camp is a training program that will teach participants competitive programming. It will take place in Barcelona and online on July 18-29, both participation formats are available._ ↵
↵
_We are inviting students ages 10 to 24, interested in improving their skills or seeking intensive, high-level training prior to the IOI. Teachers in the camp will be ICPC World Final Silver medalist [user:mhq,2022-07-07], SWERC 2022 Winners [user:MaksymOboznyi,2022-07-07], ICPC World Final Champion [user:pashka,2022-07-07] and others. Participants will be divided into classes based on their level and previous experience. Classes will be held in English._↵
↵
<center style="margin:2.5em;">↵
<a href="https://summer-camp.leaguesofcode.com?utm_source=codeforces&utm_medium=partner&utm_campaign=summer_camp" style="text-decoration:none; font-size:16px; background-color:#081131; color:white; font-weight:bold; padding:0.5em 1em;">Learn more →</a>↵
</center>↵
↵
<img alt="Harbour.Space" src="https://mirror.codeforces.com/predownloaded/b5/f0/b5f0e73847bbc6a7c44f96eab78af6b30a009afb.png" style="float:center;height: 250px; margin: 10px; max-width:50%;"/>↵
↵
_Good luck with the round!_↵
↵
**UPD:** [Editorial is out](https://mirror.codeforces.com/blog/entry/104671)
