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Information

[How to get an account / participate in contests?](http://atcoder.jp/post/2) [AtCoder's Contest Format](http://atcoder.jp/post/1)

AtCoder Regular Contest 083 / Beginner Contest 074 Announcement

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Two contests [AtCoder Regular Contest 083](https://arc083.contest.atcoder.jp/) and [AtCoder Beginner Contest 074](https://abc074.contest.atcoder.jp/) 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 ABC are the same as the first two tasks in ARC. - Time: September 16th (Saturday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20170916T2100&p1=248) - Duration: 100 minutes - Number of Tasks: 4 - writer:<a href="/user/wo01" class="username"><span class="user-orange">wo01</span></a> - Rating: 0-2799 for ARC, 0-1199 for ABC The point values will be ABC: 100 - 200 - 300 - 500 ARC: 300 - 500 - 700 - 1200 We are looking forward to your participation!

AtCoder Beginner Contest 073 Announcement

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[AtCoder Beginner Contest 073](https://beta.atcoder.jp/contests/abc073) will be held. - Time:September 9th (Saturday), 21:00 JST - Duration: 100 minutes - Number of Tasks: 4 - writer: <a href="https://atcoder.jp/user/namonakiacc"><span class="user-black">namonakiacc</span></a> - Rating: 0-1199 - The point values are: 100 - 200 - 300 - 400 We are looking forward to your participation!

AtCoder Regular Contest 082 / Beginner Contest 072 Announcement

posted:
Two contests [AtCoder Regular Contest 082](https://arc082.contest.atcoder.jp/) and [AtCoder Beginner Contest 072](https://abc072.contest.atcoder.jp/) 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 ABC are the same as the first two tasks in ARC. - Time: September 2nd (Saturday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20170902T2100&p1=248) - Duration: 100 minutes - Number of Tasks: 4 - writer:<a href="/user/sigma425" class="username"><span class="user-red">sigma425</span></a> - Rating: 0-2799 for ARC, 0-1199 for ABC The point values will be ABC: 100 - 200 - 300 - 400 ARC: 300 - 400 - 700 - 700 We are looking forward to your participation!

AtCoder Grand Contest 019 Announcement

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[AtCoder Grand Contest 019](https://agc019.contest.atcoder.jp/) will be held on Saturday. - Time: August 26th (Saturday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20170826T2100&p1=248) - Duration: <font color="#FF0000">150 minutes</font> - Number of Tasks: 6 - Writer: <img src="http://atcoder.jp/public/img/icon/crown4000.gif"></img> <a href="/user/tourist" class="username"><span class="user-red">tourist</span></a> - Rated: Yes We are looking forward to your participation! The point values will be 300 - 500 - 900 - 1000 - 1700 (1200) - 2000 (1500).

AtCoder Regular Contest 081 / Beginner Contest 071 Announcement

posted:
Two contests [AtCoder Regular Contest 081](https://arc081.contest.atcoder.jp/) and [AtCoder Beginner Contest 071](https://abc071.contest.atcoder.jp/) 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 ABC are the same as the first two tasks in ARC. - Time: August 20th (Sunday), [21:00 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20170820T2100&p1=248) - Duration: 100 minutes - Number of Tasks: 4 - writer:<a href="/user/semiexp" class="username"><span class="user-red">semiexp</span></a> - Rating: 0-2799 for ARC, 0-1199 for ABC The point values will be ABC: 100 - 200 - 300 - 400 ARC: 300 - 400 - 600 - 700 We are looking forward to your participation!