Information

[How to get an account / participate in contests?](http://atcoder.jp/post/2) [AtCoder's Contest Format](http://atcoder.jp/post/1) [AtCoder's Testcases](https://www.dropbox.com/sh/arnpe0ef5wds8cv/AAAk_SECQ2Nc6SVGii3rHX6Fa?dl=0) - [AtCoder's Rating System](https://www.dropbox.com/sh/zpgcogxmmu84rr8/AADcw6o7M9tJFDgtpqEQQ46Ua?dl=0) - [AtCoder Race Ranking](https://docs.google.com/spreadsheets/d/1T-hKu_vIh8l4EiW6XTWOvP0evzsWj0f45JNNgou21Cc/edit#gid=695896678)

Announcement for beta version

We provide [beta version](https://beta.atcoder.jp/). Several functions has been added. Please try it!

AtCoder Beginner Contest 103 announcement

posted:
[AtCoder Beginner Contest 103](https://beta.atcoder.jp/contests/abc103) will be held. - Time: June 21st (Saturday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20180721T2100&p1=248) - Duration: 100 minutes - Number of Tasks: 4 - writer:<a href='/user/drafear' class='username'><span class='user-orange'>drafear</span></a> - Rating: 0-1199 The point values are: 100 - 200 - 300 - 400 We are looking forward to your participation!

AtCoder Grand Contest 026 Announcement

posted:
[AtCoder Grand Contest 026](https://beta.atcoder.jp/contests/agc026) will be held on Saturday. This contest counts for GP30 scores. - Time: July 14th (Saturday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20180714T2100&p1=248) - Duration: TBD (around 2 hours) - Number of Tasks: 6 - Writer: <img src='/public/img/icon/crown3200.gif'> <a href='/user/sugim48' class='username'><span style='color:#C06000;'>sugim48</span></a>, <img src='/public/img/icon/crown3200.gif'> <a href='/user/yosupo' class='username'><span style='color:#274A78;'>yosupo</span></a> - Rated: Yes We are looking forward to your participation! The point values will be announced later.

SoundHound Inc. Programming Contest 2018 -Masters Tournament-

posted:
[SoundHound Inc. Programming Contest 2018 -Masters Tournament-](https://beta.atcoder.jp/contests/soundhound2018-summer-qual) will be held. - Time:July 7th (Saturday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20180707T2100&p1=248) - Duration: 120 minutes - Number of Tasks: 5 - writer:<a href="/user/nuip" class="username"><span class="user-red">nuip</span></a> - Rated Range: 0-1999 The point values will be 100 - 200 - 300 - 400 - 600. We are looking forward to your participation!

AtCoder Regular Contest 100 / Beginner Contest 102 Announcement

posted:
Two contests [AtCoder Regular Contest 100](https://beta.atcoder.jp/contests/arc100) and [AtCoder Beginner Contest 102](https://beta.atcoder.jp/contests/abc102) will be held at the same time. You can participate in whichever contest you want. (However, you can't register to both competitions.) The last two tasks in ABC are the same as the first two tasks in ARC. - Time:July 1st (Sunday), [20:30 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20180701T2030&p1=248) Note that this is <font color="red">30 minutes earlier than usual</font>. - Duration: 100 minutes - Number of Tasks: 4 - writer:<a href="/user/maroonrk" class="username"><span class="user-red">maroonrk</span></a> - Rating: 0-2799 for ARC, 0-1199 for ABC The point values will be 100 - 200 - 300 - 600 - 700 - 1100. We are looking forward to your participation!

AtCoder Regular Contest 099 / Beginner Contest 101 Announcement

posted:
Two contests [AtCoder Regular Contest 099](https://beta.atcoder.jp/contests/arc099) and [AtCoder Beginner Contest 101](https://beta.atcoder.jp/contests/abc101) will be held at the same time. You can participate in whichever contest you want. (However, you can't register to both competitions.) The last two tasks in ABC are the same as the first two tasks in ARC. - Time:June 23rd (Saturday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20180623T2100&p1=248) - Duration: 100 minutes - Number of Tasks: 4 - writer:<a href="/user/semiexp" class="username"><span class="user-red">semiexp</span></a> - Rating: 0-2799 for ARC, 0-1199 for ABC The point values will be announced later. We are looking forward to your participation!