Hello Codeforces!↵
↵
On [contest_time:1096] [contest:1096] 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://codeforces.net/blog/entry/51208">blog post</a>.↵
↵
This round will be **rated for the participants with rating lower than 2100**. It will be held on extented ACM 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 **7 problems** and **2 hours** to solve them.↵
↵
The problems were invented and prepared by Roman [user:Ajosteen,2018-12-14] Glazov, Adilbek [user:adedalic,2018-12-14] Dalabaev, Vladimir [user:Vovuh,2018-12-14] Petrov, Ivan [user:BledDest,2018-12-14] Androsov, Soroush Tabesh [user:Soroush.T,2018-12-28] and me.↵
↵
Good luck to all participants!↵
↵
Congratulations to the winners:↵
<table class='bordertable'>↵
<tbody>↵
<tr>↵
<th>Rank</th>↵
<th>Competitor</th>↵
<th>Problems Solved</th>↵
<th>Penalty</th>↵
</tr>↵
<tr>↵
<td>1</td>↵
<td>[user:chuochuo, 2018-12-28]</td>↵
<td>7</td>↵
<td>222</td>↵
</tr>↵
<tr>↵
<td>2</td>↵
<td>[user:Traxex_, 2018-12-28]</td>↵
<td>7</td>↵
<td>270</td>↵
</tr>↵
<tr>↵
<td>3</td>↵
<td>[user:quailty, 2018-12-28]</td>↵
<td>7</td>↵
<td>281</td>↵
</tr>↵
<tr>↵
<td>4</td>↵
<td>[user:hitman623, 2018-12-28]</td>↵
<td>7</td>↵
<td>285</td>↵
</tr>↵
<tr>↵
<td>5</td>↵
<td>[user:E.Space, 2018-12-28]</td>↵
<td>7</td>↵
<td>316</td>↵
</tr>↵
</tbody>↵
</table>↵
↵
69 successful hacks and 296 unsuccessful hacks were made in total! The table doesn't look that interesting this time, so I won't include it.↵
↵
And finally people who were the first to solve each problem:↵
<table class='bordertable'>↵
<tbody>↵
<tr>↵
<th>Problem</th>↵
<th>Competitor</th>↵
<th>Penalty</th>↵
</tr>↵
<tr>↵
<td>A</td>↵
<td>[user:irkstepanov, 2018-12-28]</td>↵
<td>0:00</td>↵
</tr>↵
<tr>↵
<td>B</td>↵
<td>[user:ChiIIi, 2018-12-28]</td>↵
<td>0:03</td>↵
</tr>↵
<tr>↵
<td>C</td>↵
<td>[user:Qing_Yang, 2018-12-28]</td>↵
<td>0:06</td>↵
</tr>↵
<tr>↵
<td>D</td>↵
<td>[user:aleex, 2018-12-28]</td>↵
<td>0:07</td>↵
</tr>↵
<tr>↵
<td>E</td>↵
<td>[user:chuochuo, 2018-12-28]</td>↵
<td>0:57</td>↵
</tr>↵
<tr>↵
<td>F</td>↵
<td>[user:isaf27, 2018-12-28]</td>↵
<td>0:19</td>↵
</tr>↵
<tr>↵
<td>G</td>↵
<td>[user:300iq, 2018-12-28]</td>↵
<td>0:06</td>↵
</tr>↵
</tbody>↵
</table>↵
↵
UPD: [Editorial is out](https://codeforces.net/blog/entry/64156)
↵
On [contest_time:1096] [contest:1096] 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://codeforces.net/blog/entry/51208">blog post</a>.↵
↵
This round will be **rated for the participants with rating lower than 2100**. It will be held on extented ACM 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 **7 problems** and **2 hours** to solve them.↵
↵
The problems were invented and prepared by Roman [user:Ajosteen,2018-12-14] Glazov, Adilbek [user:adedalic,2018-12-14] Dalabaev, Vladimir [user:Vovuh,2018-12-14] Petrov, Ivan [user:BledDest,2018-12-14] Androsov, Soroush Tabesh [user:Soroush.T,2018-12-28] and me.↵
↵
Good luck to all participants!↵
↵
Congratulations to the winners:↵
<table class='bordertable'>↵
<tbody>↵
<tr>↵
<th>Rank</th>↵
<th>Competitor</th>↵
<th>Problems Solved</th>↵
<th>Penalty</th>↵
</tr>↵
<tr>↵
<td>1</td>↵
<td>[user:chuochuo, 2018-12-28]</td>↵
<td>7</td>↵
<td>222</td>↵
</tr>↵
<tr>↵
<td>2</td>↵
<td>[user:Traxex_, 2018-12-28]</td>↵
<td>7</td>↵
<td>270</td>↵
</tr>↵
<tr>↵
<td>3</td>↵
<td>[user:quailty, 2018-12-28]</td>↵
<td>7</td>↵
<td>281</td>↵
</tr>↵
<tr>↵
<td>4</td>↵
<td>[user:hitman623, 2018-12-28]</td>↵
<td>7</td>↵
<td>285</td>↵
</tr>↵
<tr>↵
<td>5</td>↵
<td>[user:E.Space, 2018-12-28]</td>↵
<td>7</td>↵
<td>316</td>↵
</tr>↵
</tbody>↵
</table>↵
↵
69 successful hacks and 296 unsuccessful hacks were made in total! The table doesn't look that interesting this time, so I won't include it.↵
↵
And finally people who were the first to solve each problem:↵
<table class='bordertable'>↵
<tbody>↵
<tr>↵
<th>Problem</th>↵
<th>Competitor</th>↵
<th>Penalty</th>↵
</tr>↵
<tr>↵
<td>A</td>↵
<td>[user:irkstepanov, 2018-12-28]</td>↵
<td>0:00</td>↵
</tr>↵
<tr>↵
<td>B</td>↵
<td>[user:ChiIIi, 2018-12-28]</td>↵
<td>0:03</td>↵
</tr>↵
<tr>↵
<td>C</td>↵
<td>[user:Qing_Yang, 2018-12-28]</td>↵
<td>0:06</td>↵
</tr>↵
<tr>↵
<td>D</td>↵
<td>[user:aleex, 2018-12-28]</td>↵
<td>0:07</td>↵
</tr>↵
<tr>↵
<td>E</td>↵
<td>[user:chuochuo, 2018-12-28]</td>↵
<td>0:57</td>↵
</tr>↵
<tr>↵
<td>F</td>↵
<td>[user:isaf27, 2018-12-28]</td>↵
<td>0:19</td>↵
</tr>↵
<tr>↵
<td>G</td>↵
<td>[user:300iq, 2018-12-28]</td>↵
<td>0:06</td>↵
</tr>↵
</tbody>↵
</table>↵
↵
UPD: [Editorial is out](https://codeforces.net/blog/entry/64156)