Contest
Permanent Contests
| Contest Name |
|---|
| ◉ practice contest |
| ◉ AtCoder Library Practice Contest |
Upcoming Contests
Recent Contests
Contest mode will be introduced as a part of the countermeasures against high load.
### What is Contest Mode?
During ABC, ARC, AGC, and some AHC contests, access to all pages except for the contest will be restricted.
The restricted pages are as follows
- All submission list
- Standings
You will be able to view your own submissions and problems you have submitted in the past.
We apologize for any inconvenience this may cause and appreciate your understanding and cooperation.
[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(2023)](https://img.atcoder.jp/file/gp30/race2023.html)
We will hold <a href="https://atcoder.jp/contests/abc304">Tokio Marine & Nichido Fire Insurance Programming Contest 2023（AtCoder Beginner Contest 304)</a>.
- Contest URL: https://atcoder.jp/contests/abc304
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230603T2100&p1=248
- Duration: 100 minutes
- Number of Tasks: 8
- Writer: <a href="/users/cn449" class="username"><span class="user-red">cn449</span></a>, <a href="/users/leaf1415" class="username"><span class="user-orange">leaf1415</span></a>, <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/physics0523" class="username"><span class="user-orange">physics0523</span></a>
- Tester: <a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a>, <a href="/users/mechanicalpenciI" class="username"><span class="user-orange">mechanicalpenciI</span></a>
- Rated range: ~ 1999
The point values will be 100-200-300-400-475-525-625-625.
We are looking forward to your participation!
We will hold <a href="https://atcoder.jp/contests/arc161">AtCoder Regular Contest 161</a>.
- Contest URL: https://atcoder.jp/contests/arc161
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230528T2100&p1=248
- Duration: 120 minutes
- Number of Tasks: 6
- Writer: <a href="/users/ygussany" class="username"><span class="user-orange">ygussany</span></a>
- Tester: <img src="//img.atcoder.jp/assets/icon/crown_silver.png"> <a href="/users/tatyam" class="username"><span style="color:#FF6040;">tatyam</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/potato167" class="username"><span class="user-red">potato167</span></a>
- Rated range: ~ 2799
The point values will be 300-400-500-500-800-900.
We are looking forward to your participation!
NS Solutions Corporation Programming Contest 2023（AtCoder Beginner Contest 303） Announcement
posted:We will hold <a href="https://atcoder.jp/contests/abc303">NS Solutions Corporation Programming Contest 2023（AtCoder Beginner Contest 303）</a>.
- Contest URL: https://atcoder.jp/contests/abc303
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230527T2100&p1=248
- Duration: 100 minutes
- Number of Tasks: 8
- Writer: <a href="/users/nok0" class="username"><span class="user-orange">nok0</span></a>, <a href="/users/m_99" class="username"><span class="user-orange">m_99</span></a>, <a href="/users/evima" class="username"><span class="user-unrated">evima</span></a>
- Tester: <a href="/users/physics0523" class="username"><span class="user-orange">physics0523</span></a>, <a href="/users/yuto1115" class="username"><span class="user-red">yuto1115</span></a>
- Rated range: ~ 1999
The point values will be 100-200-300-400-475-525-550-600.
We are looking forward to your participation!
We will hold <a href="https://atcoder.jp/contests/agc062">AtCoder Grand Contest 062</a>.
This contest counts for GP30 scores.
- Contest URL: https://atcoder.jp/contests/agc062
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230521T2100&p1=248
- Duration: 180 minutes
- Number of Tasks: 6
- Writer: <a href="/users/chinerist" class="username"><span class="user-orange">chinerist</span></a>
- Tester: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/maspy" class="username"><span class="user-red">maspy</span></a>, <a href="/users/IH19980412" class="username"><span class="user-red">IH19980412</span></a>
- Rated range: 1200 ~
The point values will be 400-700-800-1100-1300-2000.
We are looking forward to your participation!
TOYOTA MOTOR CORPORATION Programming Contest 2023#2 (AtCoder Beginner Contest 302) Announcement
posted:We will hold <a href="https://atcoder.jp/contests/abc302">TOYOTA MOTOR CORPORATION Programming Contest 2023#2 (AtCoder Beginner Contest 302)</a>.
- Contest URL: https://atcoder.jp/contests/abc302
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230520T2100&p1=248
- Duration: 100 minutes
- Number of Tasks: 8
- Writer: <a href="/users/mechanicalpenciI" class="username"><span class="user-orange">mechanicalpenciI</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/PCTprobability" class="username"><span class="user-red">PCTprobability</span></a>, <a href="/users/Nyaan" class="username"><span class="user-red">Nyaan</span></a>, <a href="/users/ynymxiaolongbao" class="username"><span class="user-yellow">ynymxiaolongbao</span></a>
- Tester: <a href="/users/MMNMM" class="username"><span class="user-orange">MMNMM</span></a>, <a href="/users/Nyaan" class="username"><span class="user-red">Nyaan</span></a>
- Rated range: ~ 1999
The point values will be 100-250-250-400-425-500-625-625.
We are looking forward to your participation!