Contest
Permanent Contests
| Contest Name |
|---|
| ◉ practice contest |
| ◉ AtCoder Library Practice Contest |
Upcoming Contests
Recent Contests
[How to get an account / participate in contests?](http://atcoder.jp/posts/2)
[AtCoder's Contest Format](http://atcoder.jp/posts/1)
[AtCoder's Testcases](https://www.dropbox.com/sh/nx3tnilzqz7df8a/AAAYlTq2tiEHl5hsESw6-yfLa?dl=0) - [AtCoder's Rating System](https://www.dropbox.com/sh/zpgcogxmmu84rr8/AADcw6o7M9tJFDgtpqEQQ46Ua?dl=0) - [AtCoder Race Ranking](https://img.atcoder.jp/file/GP30.html)
**Please note the unusual start time**.
We will hold <a href="https://atcoder.jp/contests/arc118">AtCoder Regular Contest 118</a>.
- Contest URL: https://atcoder.jp/contests/arc118
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20210509T2205&p1=248
- Duration: 120 minutes
- Number of Tasks: 6
- Writer: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/maspy" class="username"><span class="user-red">maspy</span></a>
- Tester: <a href="/users/tempura0224" class="username"><span class="user-red">tempura0224</span></a>, <a href="/users/yamunaku" class="username"><span class="user-orange">yamunaku</span></a>
- Rated range: ~ 2799
The point values will be 300-400-500-700-800-1000.
We are looking forward to your participation!
We will hold <a href="https://atcoder.jp/contests/abc200">KYOCERA Programming Contest 2021(AtCoder Beginner Contest 200)</a>.
- Contest URL: https://atcoder.jp/contests/abc200
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20210508T2100&p1=248
- Duration: 100 minutes
- Number of Tasks: 6
- Writer: <a href="/users/physics0523" class="username"><span class="user-orange">physics0523</span></a>
- Rated range: ~ 1999
The point values will be 100,200,300,400,500,600.
We are looking forward to your participation!
We will hold <a href="https://atcoder.jp/contests/zone2021">ZONe Energy Programming Contest</a>.
- Contest URL: https://atcoder.jp/contests/zone2021
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20210501T2100&p1=248
- Duration: 100 minutes
- Number of Tasks: 6
- Writer: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/chokudai" class="username"><span class="user-red">chokudai</span></a>, <a href="/users/tatyam" class="username"><span class="user-red">tatyam</span></a>
- Rated range: ~ 1999
The point values will be 100,200,<span style="color:red">400</span>,<span style="color:red">300</span>,500,600.
#### Attention
- This contest is equivalent to AtCoder Beginner Contest.
- Please pay attention to the point values bellow. Problem C is <span style="color:red;">400</span> points.
We are looking forward to your participation!
We will hold <a href="https://atcoder.jp/contests/ahc002">AtCoder Heuristic Contest 002</a>.
- Contest URL: https://atcoder.jp/contests/ahc002
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20210425T1900&p1=248
- Duration: 240 minutes
- Number of Tasks: 1
- Writer: <a href="/users/wata" class="username"><span class="user-yellow">wata</span></a>
- Rated range: All (Heuristic Rating)
The goal of AHC is to create a better solution to a problem for which it is difficult to find the optimal solution.
We are looking forward to your participation!
We will hold <a href="https://atcoder.jp/contests/abc199">AtCoder Beginner Contest 199(Sponsored by Panasonic)</a>.
- Contest URL: https://atcoder.jp/contests/abc199
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20210424T2100&p1=248
- Duration: 100 minutes
- Number of Tasks: 6
- Writer: <a href="/users/evima" class="username"><span class="user-unrated">evima</span></a>, <a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a>, <a href="/users/QCFium" class="username"><span class="user-red">QCFium</span></a>, <a href="/users/satashun" class="username"><span class="user-orange">satashun</span></a>, <a href="/users/ynymxiaolongbao" class="username"><span class="user-orange">ynymxiaolongbao</span></a>
- Rated range: ~ 1999
The point values will be 100-200-300-400-500-600.
We are looking forward to your participation!