This weekend we would like to share an online-mirror of 2018-2019 ACM-ICPC, Asia Xuzhou Regional Contest with you. Please notice its start time is Saturday, December 1, 2018 at 18:00 (UTC+8) and we will be there for answering your questions. You are able to register 6 hours before the contest starts. However, before the registration starts, you may not view this contest on Gym. After the online-mirror contest, you can virtually participate at any time you want.
The 2018 ACM-ICPC Asia Xuzhou Regional Contest has been finished at China University of Mining and Technology, on October 28. Although 288 teams participated in the onsite contest, only 195 of them (including invited teams) finally solved at least one of 13 problems in 5 hours. Is the contest too hard? Or is the difficulty only applied to Chinese participants? We cannot get a conclusion clearly... Anyway, we hope these problems will benefit people who want to gain great results in ICPC.
The problems are prepared by AHdoc, Claris, quailty and me. Thanks to niike0goood and zscc for discussing ideas, yefllower and niike0goood for testing, Syloviaely for playing a crucial role in the contest, and MikeMirzayanov for developing Codeforces and Polygon.
We kindly ask everybody who has already read the problems not to participate this online-mirror contest or discuss any solution in public before the contest has ended. Your cooperation will be greatly appreciated.
UPD1: Registration starts. You may view this page to register.