Two contests [AtCoder Regular Contest 100](https://beta.atcoder.jp/contests/arc100) and [AtCoder Beginner Contest 102](https://beta.atcoder.jp/contests/abc102) 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：July 1st (Sunday), [20:30 JST](http://www.timeanddate.com/worldclock/fixedtime.html?iso=20180701T2030&p1=248) Note that this is <font color="red">30 minutes earlier than usual</font>. - Duration: 100 minutes - Number of Tasks: 4 - writer：<a href="/user/maroonrk" class="username"><span class="user-red">maroonrk</span></a> - Rating： 0-2799 for ARC, 0-1199 for ABC The point values will be 100 - 200 - 300 - 600 - 700 - 1100. We are looking forward to your participation!