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[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)

AtCoder Grand Contest 048 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/agc048">AtCoder Grand Contest 048</a>. This contest counts for GP30 scores. - Contest URL: https://atcoder.jp/contests/agc048 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20201018T2100&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>, <a href="/users/sugim48" class="username"><span style="color:#C06000;">sugim48</span></a> - Rated range: 1200 ~ The point values will be announced later. We are looking forward to your participation!

AtCoder Beginner Contest 180 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/abc180">AtCoder Beginner Contest 180</a>. - Contest URL: https://atcoder.jp/contests/abc180 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20201017T2000&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/sheyasutaka" class="username"><span class="user-orange">sheyasutaka</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!

AtCoder Regular Contest 105 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/arc105">AtCoder Regular Contest 105</a>. <font color="red">From this contest, you don't need to choose the option "(with ACL)" to submit solutions with ACL. (The library is installed by default.)</font> - Contest URL: https://atcoder.jp/contests/arc105 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20201011T2230&p1=248 - Duration: 100 minutes - Number of Tasks: 6 - Writer: <a href="/users/camypaper" class="username"><span class="user-orange">camypaper</span></a> - Rated range: ~ 2799 The point values will be 200-300-500-600-700-900. We are looking forward to your participation!

HHKB Programming Contest 2020 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/hhkb2020">HHKB Programming Contest 2020</a>. - Contest URL: https://atcoder.jp/contests/hhkb2020 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20201010T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 6 - Writer: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/tozangezan" class="username"><span class="user-red">tozangezan</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-400-500-600. We are looking forward to your participation!

AtCoder Regular Contest 104 Announcement

posted:
We will hold <a href="https://atcoder.jp/contests/arc104">AtCoder Regular Contest 104</a>. - Contest URL: https://atcoder.jp/contests/arc104 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20201003T2100&p1=248 - Duration: 120 minutes - Number of Tasks: 6 - Writer: <a href="/users/satashun" class="username"><span class="user-orange">satashun</span></a> - Rated range: ~ 2799 The point values will be 100-400-600-700-700-1000. We are looking forward to your participation!

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