[AtCoder Beginner Contest 105](https://abc105.contest.atcoder.jp/) is ongoing now, from [August 11, 2018, 21:00 JST](https://www.timeanddate.com/worldclock/fixedtime.html?iso=20180811T2100&p1=248).<br />↵
<br />↵
The writers are [user:DEGwer,2018-08-11], [user:drafear,2018-08-11], [user:square1001,2018-08-11] and me.<br />↵
The point values are: 100 — 200 — 300 — 400.<br />↵
<br />↵
This contest will be unrated because of problems in English statement. At first, there is no English statement in problem A. 6 minutes after starting the contest, the English statement appeared, but it was too late. Sorry for inconvenience.<br />↵
<br />↵
After the contest, let's discuss the problem.<br />↵
Thank you for your participation.<br />↵
<br />↵
<b>UPDATE</b><br />↵
<ul>↵
<li>The contest is over.</li>↵
<li>[Japanese Editorial](https://img.atcoder.jp/abc105/editorial.pdf) is there!</li>↵
<li>[English Editorial](https://goo.gl/Kk3hsn) is ready!</li>↵
</ul>
<br />↵
The writers are [user:DEGwer,2018-08-11], [user:drafear,2018-08-11], [user:square1001,2018-08-11] and me.<br />↵
The point values are: 100 — 200 — 300 — 400.<br />↵
<br />↵
This contest will be unrated because of problems in English statement. At first, there is no English statement in problem A. 6 minutes after starting the contest, the English statement appeared, but it was too late. Sorry for inconvenience.<br />↵
<br />↵
After the contest, let's discuss the problem.<br />↵
Thank you for your participation.<br />↵
<br />↵
<b>UPDATE</b><br />↵
<ul>↵
<li>The contest is over.</li>↵
<li>[Japanese Editorial](https://img.atcoder.jp/abc105/editorial.pdf) is there!</li>↵
<li>[English Editorial](https://goo.gl/Kk3hsn) is ready!</li>↵
</ul>
