Contest
Active Contests
| Start Time | Contest Name |
|---|---|
| practice contest |
Upcoming Contests
| Start Time | Contest Name |
|---|---|
| Tenka1 Programmer Contest | |
| Tenka1 Programmer Beginner Contest |
Recent Contests
Ranking
| User | Rating | |
|---|---|---|
| 1 |   tourist |
4149 |
| 2 |   Um_nik |
3792 |
| 3 | LHiC |
3731 |
| 4 | Petr |
3718 |
| 5 |  w4yneb0t |
3710 |
| 6 | cospleermusora |
3667 |
| 7 |  yutaka1999 |
3655 |
| 8 |  apiad |
3635 |
| 9 |  ksun48 |
3610 |
| 10 |  semiexp |
3513 |
[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)
We provide [beta version](https://beta.atcoder.jp/). Several functions has been added. Please try it!
[AtCoder Grand Contest 028](https://beta.atcoder.jp/contests/agc028) will be held on Saturday.
This contest counts for GP30 scores.
- Time: October 13th (Saturday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20181013T2100&p1=248)
- Duration: 150 minutes
- Number of Tasks: 6
- Writer: <a href='/user/maroonrk' class='username'><span style='color:#FF0000;'>maroonrk</span></a>
- Rated: Yes
We are looking forward to your participation!
The point values will be announced later.
[AtCoder Beginner Contest 112](https://beta.atcoder.jp/contests/abc112) will be held.
- Time： October 6th (Saturday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20181006T2100&p1=248)
- Duration: 100 minutes
- Number of Tasks: 4
- Rated range： 0-1199
The point values are:
100 - 200 - 300 - 400
We are looking forward to your participation!
Two contests [AtCoder Regular Contest 103](https://beta.atcoder.jp/contests/arc103) and
[AtCoder Beginner Contest 111](https://beta.atcoder.jp/contests/abc111) 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： September 29th (Saturday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20180929T2100&p1=248)
- Duration: 100 minutes
- Number of Tasks: 4
- writer：<a href="/user/semiexp" class="username"><span class="user-red">semiexp</span></a>, <a href="/user/nuip" class="username"><span class="user-red">nuip</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!
[AtCoder Beginner Contest 110](https://beta.atcoder.jp/contests/abc110) will be held.
- Time： September 23th (Sunday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20180923T2100&p1=248)
- Duration: 100 minutes
- Number of Tasks: 4
- Rated range： 0-1199
The point values are:
100 - 200 - 300 - 400
We are looking forward to your participation!
[AtCoder Grand Contest 027](https://beta.atcoder.jp/contests/agc027) will be held on Saturday.
This contest counts for GP30 scores.
- Time: September 15th (Saturday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20180915T2100&p1=248)
- Duration: TBD (around 2 hours)
- Number of Tasks: 6
- Writer: <a href='/user/camypaper' class='username'><span style='color:#FF8000;'>camypaper</span></a>, <img src='/public/img/icon/crown3200.gif'> <a href='/user/sugim48' class='username'><span style='color:#C06000;'>sugim48</span></a>
- Rated: Yes
We are looking forward to your participation!
The point values will be announced later.