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/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)

AISing Programming Contest 2019

posted:
We will hold <a href="https://beta.atcoder.jp/contests/aising2019">AISing Programming Contest 2019</a>. - Time (YY-MM-DD): <a href='http://www.timeanddate.com/worldclock/fixedtime.html?iso=20190112T2100&p1=248' target='blank'><time class='fixtime fixtime-full'>2019-01-12 21:00:00+0900</time></a> (JST) - Duration: 120 minutes - Number of Tasks: 5 - writer:<a href='/users/wo01' class='username'><span class='user-red'>wo01</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-500-600 We are looking forward to your participation!

AtCoder Grand Contest 030 Announcement

posted:
We will hold <a href="https://beta.atcoder.jp/contests/agc030">AtCoder Grand Contest 030</a>. - Time (YY-MM-DD): <a href='http://www.timeanddate.com/worldclock/fixedtime.html?iso=20181229T2100&p1=248' target='blank'><time class='fixtime fixtime-full'>2018-12-29 21:00:00+0900</time></a> (JST) - Duration: 110 minutes - Number of Tasks: 6 - writer:<img src='/public/img/icon/crown3200.gif'> <a href='/users/semiexp' class='username'><span style='color:#92D050;'>semiexp</span></a>, <img src='/public/img/icon/crown3200.gif'> <a href='/users/sugim48' class='username'><span style='color:#C06000;'>sugim48</span></a>, <a href='/users/DEGwer' class='username'><span class='user-red'>DEGwer</span></a> - Rated range: All The point values will be 200 - 800 (300) - 1000 - 1000 - 1400 - 1600 This is the last contest of the year, and counts for GP30 scores. We are looking forward to your participation!

CADDi 2018 / CADDi 2018 for Beginners Announcement

posted:
Two contests <a href="https://beta.atcoder.jp/contests/caddi2018">CADDi 2018</a> and <a href="https://beta.atcoder.jp/contests/caddi2018b">CADDi 2018 for Beginners</a> 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 CADDi 2018 for Beginners are the same as the first two tasks in CADDi 2018. - Time (YY-MM-DD): <a href='http://www.timeanddate.com/worldclock/fixedtime.html?iso=20181222T2100&p1=248' target='blank'><time class='fixtime fixtime-full'>2018-12-22 21:00:00+0900</time></a> (JST) - Duration: 120 minutes - Number of Tasks: 4 - writer:<img src='/public/img/icon/crown3200.gif'> <a href='/users/semiexp' class='username'><span style='color:#92D050;'>semiexp</span></a>, <a href='/users/DEGwer' class='username'><span class='user-red'>DEGwer</span></a>, <a href='/users/evima' class='username'><span class='user-unrated'>evima</span></a> - Rated range: ~ 2799 for CADDi 2018, ~ 1199 for CADDi 2018 for Beginners - CADDi 2018 for Beginners can only be attended by people with ratings up to 1199. The point values will be CADDi 2018: 300-500-800-900 CADDi 2018 for Beginners: 100-200-300-500 We are looking forward to your participation!

AtCoder Grand Contest 029 Announcement

posted:
We will hold <a href="https://beta.atcoder.jp/contests/agc029">AtCoder Grand Contest 029</a>. This contest counts for GP30 scores. - Time (YY-MM-DD): <a href='http://www.timeanddate.com/worldclock/fixedtime.html?iso=20181215T2100&p1=248' target='blank'><time class='fixtime fixtime-full'>2018-12-15 21:00:00+0900</time></a> (JST) - Duration: TBD (around 2 hours) - Number of Tasks: 6 - writer:<img src='/public/img/icon/crown3600.gif'> <a href='/users/yutaka1999' class='username'><span class='user-red'>yutaka1999</span></a> - Rated range: All The point values will be announced later. We are looking forward to your participation!

AtCoder Beginner Contest 114 Announcement

posted:
We will hold <a href="https://beta.atcoder.jp/contests/abc114">AtCoder Beginner Contest 114</a>. - Time (YY-MM-DD): <a href='http://www.timeanddate.com/worldclock/fixedtime.html?iso=20181202T2100&p1=248' target='blank'><time class='fixtime fixtime-full'>2018-12-02 21:00:00+0900</time></a> (JST) - Duration: 100 minutes - Number of Tasks: 4 - writer:<a href='/users/evima' class='username'><span class='user-unrated'>evima</span></a> - Rated range: ~ 1199 The point values will be 100-200-300-400 We are looking forward to your participation!