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)

AtCoder Grand Contest 031 and World Tour Finals 2019/20 Announcement

posted:
We will start the new season of AtCoder race ranking. Like last year, the top 8 people will be invited to the finals in the beginning of 2020. We will hold <a href="https://atcoder.jp/contests/agc031">AtCoder Grand Contest 031</a>. This is the first GP30-rated contest in this season. - Time (YY-MM-DD): <a href='http://www.timeanddate.com/worldclock/fixedtime.html?iso=20190316T2100&p1=248' target='blank'><time class='fixtime fixtime-full'>2019-03-16 21:00:00+0900</time></a> (localtime) - Duration: TBD - Number of Tasks: 6 - writer:<img src='//img.atcoder.jp/assets/icon/crown3600.gif'> <a href='/users/yutaka1999' class='username'><span class='user-red'>yutaka1999</span></a>, <img src='//img.atcoder.jp/assets/icon/crown3200.gif'> <a href='/users/yosupo' class='username'><span style='color:#274A78;'>yosupo</span></a>, <a href='/users/DEGwer' class='username'><span class='user-red'>DEGwer</span></a>, <a href='/users/maroonrk' class='username'><span class='user-red'>maroonrk</span></a>, <a href='/users/hogloid' class='username'><span class='user-red'>hogloid</span></a>, <a href='/users/IH19980412' class='username'><span class='user-red'>IH19980412</span></a> - Rated range: All The point values will be TBD We are looking forward to your participation!

AtCoder Beginner Contest 121 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/abc121">AtCoder Beginner Contest 121</a>. - Time (YY-MM-DD): <a href='http://www.timeanddate.com/worldclock/fixedtime.html?iso=20190309T2100&p1=248' target='blank'><time class='fixtime fixtime-full'>2019-03-09 21:00:00+0900</time></a> (localtime) - Duration: 100 minutes - Number of Tasks: 4 - writer:<a href='/users/drafear' class='username'><span class='user-orange'>drafear</span></a> - Rated range: ~ 1199 The point values will be 100-200-300-400 We are looking forward to your participation!

AtCoder Beginner Contest 120 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/abc120">AtCoder Beginner Contest 120</a>. - Time (YY-MM-DD): <a href='http://www.timeanddate.com/worldclock/fixedtime.html?iso=20190303T2100&p1=248' target='blank'><time class='fixtime fixtime-full'>2019-03-03 21:00:00+0900</time></a> (localtime) - Duration: 100 minutes - Number of Tasks: 4 - writer:<a href='/users/drafear' class='username'><span class='user-orange'>drafear</span></a> - Rated range: ~ 1199 The point values will be 100-200-300-400 We are looking forward to your participation!

AtCoder Beginner Contest 119 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/abc119">AtCoder Beginner Contest 119</a>. - Time (YY-MM-DD): <a href='http://www.timeanddate.com/worldclock/fixedtime.html?iso=20190224T2100&p1=248' target='blank'><time class='fixtime fixtime-full'>2019-02-24 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!

AtCoder Beginner Contest 118 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/abc118">AtCoder Beginner Contest 118</a>. - Time (YY-MM-DD): <a href='http://www.timeanddate.com/worldclock/fixedtime.html?iso=20190216T2100&p1=248' target='blank'><time class='fixtime fixtime-full'>2019-02-16 21:00:00+0900</time></a> (JST) - Duration: 100 minutes - Number of Tasks: 4 - writer:<a href='/users/drafear' class='username'><span class='user-orange'>drafear</span></a> - Rated range: ~ 1199 The point values will be 100-200-300-400 We are looking forward to your participation!