We are excited to invite you to BNPCHS 2023 Elimination Round (Mirror, Unrated) on Saturday, September 23, 2023, 19:05 UTC+7.

The contest will be 3 hours long and will feature 6 problems. The contest difficulty will be similar to Codeforces Div. 3 Rounds. The order of the problems is different from the original BNPCHS contest.

The problems were written by Owmicron vioalbert siplusplus SunShine11.

Problem components were prepared by Owmicron vioalbert Chrisedyong Twits siplusplus SunShine11 ArgoCahaya.

We would also like to thank:

• fushar for their help in hosting the mirror contest;
• Zanite for supervising the Scientific Committee;
• rfpermen joelgun14 trainerherp KerakTelor TypeYippie bonk blankts jiayi_ko undev for testing the problemset and providing invaluable feedback; and
• Every BNPCHS committee member, administrator, and manager.

BNPCHS is an annual Competitive Programming competition for high school students held by Binus University. This contest is mirrored from the Elimination Round of BNPCHS 2023, and is open for everyone to join (not limited to high school students).

We have put great effort into preparing this contest, and we truly hope that you will enjoy it. See you in the contest!