Information

[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)

ACL Contest 1 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/acl1">ACL Contest 1</a>. - Contest URL: https://atcoder.jp/contests/acl1 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20200920T2100&p1=248 - Duration: 150 minutes - Number of Tasks: 6 - Writer: <img src="//img.atcoder.jp/assets/icon/crown_silver.png"> <a href="/users/maroonrk" class="username"><span style="color:#869120;">maroonrk</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_silver.png"> <a href="/users/yosupo" class="username"><span style="color:#274A78;">yosupo</span></a>, <a href="/users/rng58_admin" class="username"><span class="user-unrated">rng58_admin</span></a> - Rated range: 1200 ~ 2799 The point values will be 300-600-600-800-900-1800. We are looking forward to your participation!

AtCoder Beginner Contest 179 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/abc179">AtCoder Beginner Contest 179</a>. - Contest URL: https://atcoder.jp/contests/abc179 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20200919T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 6 - Writer: <a href="/users/beet" class="username"><span class="user-red">beet</span></a>, <a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a>, <a href="/users/satashun" class="username"><span class="user-orange">satashun</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-400-500-600. We are looking forward to your participation!

AtCoder Beginner Contest 178 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/abc178">AtCoder Beginner Contest 178</a>. - Contest URL: https://atcoder.jp/contests/abc178 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20200913T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 6 - Writer: <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!

AtCoder Library (ACL)

posted:
We will publish AtCoder Library (ACL). This is a collection of implementation of various algorithms written by us. You can use it on most of our contests. https://img.atcoder.jp/practice2/ac-library.zip Please refer to the document inside the zip file for details. Also, please try to use it in the following practice contest: https://atcoder.jp/contests/practice2 We will hold two contests on 20th and 26th, September, to celebrate this: - https://atcoder.jp/contests/acl1 - https://atcoder.jp/contests/acl2 Many problems (but not necessarily all) in these contests will be related to ACL.

AtCoder Beginner Contest 177 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/abc177">AtCoder Beginner Contest 177</a>. - Contest URL: https://atcoder.jp/contests/abc177 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20200829T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 6 - Writer: <a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</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!

Post Archive