A. Meaning Mean

Author: athin
Developer: ArvinCiu
Editorial: Kinon

B. Maximize Mex

Author: joelgun14
Developer: joelgun14, CyberSleeper
Editorial: Pyqe

C. Adjust The Presentation

Author: ArvinCiu
Developer: icebear30, gansixeneh
Editorial: Pyqe

D. Boss, Thirsty

Author: ArvinCiu
Developer: CyberSleeper
Editorial: Pyqe

E. Digital Village

Author: CyberSleeper
Developer: ArvinCiu
Editorial: Pyqe

Halo, Codeforces! Ape kabar kitak? Nyi deu sit bau maang? 😍 😍

COMPFEST 16 is happy to invite you to participate in Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) on Oct/06/2024 09:05 (Moscow time). The round will be rated. You will be given 2 hours to solve 5 problems, 2 of them will have subtasks.

Note the unusual time of the round.

The problems are written by ArvinCiu, CyberSleeper, athin, and joelgun14.

We would like to thank:

• KAN for helping to host the round;
• errorgorn for the based coordination;
• gansixeneh, CyberSleeper, joelgun14, and icebear30 for helping with the problem preparation;
• gansixeneh again for the sigma helps;
• Alexdat2000 for writing the Russian translations;
• A_G, Dominater069, efishel, Error_Yuan, fishy15, Sk0rlupka, Umi and valeriu for testing the contest and providing us very useful feedback;
• Universitas Indonesia, all the local committees, administrators, and managers of the whole COMPFEST event;
• MikeMirzayanov for the amazing Codeforces and Polygon platform!

COMPFEST itself is an annual event hosted by Universitas Indonesia. It is the largest student-run IT event in Indonesia and competitive programming contest is one of the competitions hosted.

We hope you will enjoy and have fun in the contest. Muga-muga beja lan isa entuk biji apik!! 💪💪🔥🔥

Edit 1: Score distribution is $$$500 - 750 - (750+1000) - 2500 - (1750 + 750 + 1000)$$$

Edit 2:

Congratulations to the winners!

Div.2 :

1. Xun_Xiaoyao

2. Traumatize

3. TurtleZW

4. wullaaa

5. cpy0512

Div.1 + Div.2:

1. ecnerwala

2. tourist

3. ksun48

4. StarSilk

5. kotatsugame

Congratulations also to the first solvers!

• A: _MASSIMO_

• B: iridescent24k

• C1: ksun48

• C2: 2mato_pota2

• D: ecnerwala

• E1: vlt0824

• E2: nifeshe

• E3: xuanxuan001

On behalf of the COMPFEST committees, we are glad that our Codeforces Round ran quite smoothly and we hope that you all enjoyed our problems. See you next year! 😍 😍

Edit 3: The editorial is up!