Hello everyone!

I want to invite you to participate in Jolly Challenge #13. It is a regular contest in Jollybee Online Judge (A relatively new online judge). The contest will be 2 hours long, and the contest will use ACM-ICPC style.

Contest time: December 11, 2015, 20:00 (UTC+7) | your timezone

The problem set consists of 5 problems, prepared by omarkhaled from Egypt, and tested by me, rickychandra, and setiadialvin. The problems will be available in English and Bahasa Indonesia.

If you don't have an account for that online judge, but want to participate in the contest, you can register here: https://jollybeeoj.com/user/login

Link to the contest: https://jollybeeoj.com/user/contest/21/about

To receive updates in your facebook news feed (announcement, etc.), like our fan-page

Problem difficulties are about Div 2 D for the hardest problem compared to the awesome CF contests.

Good luck!

Hello everyone,

I want to invite you to participate in Jolly Challenge #11. It is a weekly contest in Jollybee Online Judge (A relatively new online judge). The contest will be 2 hours long, and the contest will use ACM-ICPC style.

Contest time: November 20, 2015, 20:00 (UTC+7) | your timezone.

The problem set consists of 5 problems, prepared by me, rickychandra, setiadialvin, and tjandra. The problems will be available in English and Bahasa Indonesia.

If you don't have an account for that online judge, but want to participate in the contest, you can register here: https://jollybeeoj.com/user/login

Link to register to the contest (contest list page): https://jollybeeoj.com/user/contest

Link to the contest: https://jollybeeoj.com/user/contest/18/about

To receive updates in your facebook news feed (announcement, etc.), like our fan-page

You can see the previous contests' details (Jolly Challenge #1~#10) from the contest list page. You can guess / estimate the problem difficulties by looking at previous contests' problems.

Good luck!

*For those who wonder, there will be no prize (clothes, etc.) for this contest (sorry... >.<), this weekly contest is intended for regular and continuous training purpose.

UPD: contest will start in few minutes, you can still register during the contest time

UPD: contest has finished! You can see the details (editorial, rating changes, etc.) in the website. Thank you for your participation! :)