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ICPC 2019 Regional  

Jakarta Site26 - 28 October 2019

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Technical Briefing

ICPC 2019 RegionalJakarta Site

Technical Briefing

BINUS University

Schedule

26 Oct

Collection of Team Notebook

Practice Session

27 Oct

Contest 28 OctExcursion


Technical Briefing

BINUS University

Contest Area

❖ 7th floor❖ Contestants and coaches should wear the provided

contest T-shirt as an outer-most garment at all time.

Any additional clothing must be worn underneath the contest T-shirt.


Technical Briefing

BINUS University

Seating Arrangement

Seating arrangement will be different between practice session and contest.• check your booklet,• posted in front of each room.


Technical Briefing

BINUS University

Items

Teams may have these items in the contest room on the contest day.

Team Notebook✓contains up to 25 pages of reference materials,✓maximum 3 exact copies,✓put your team and university name on the first page,✓ text and illustrations must be readable by a person with correctable

eyesight without magnification from a distance of 0.5 meter,✓ leave it at the end of the trial session.


Technical Briefing

BINUS University

Items

Teams may have these items in the contest room on the contest day.

• Additional blank papers or graph papers✓ blank papers will also be provided by the committee.

• Stationeries✓ pens, pencils, rulers, etc.

• Dictionary✓ hard-copy.

Leave them on your team’s desk after practice session.


Technical Briefing

BINUS University

Items

Teams are NOT ALLOWED to have these items in the contest room on the contest day.

Any electronic/digital devices❖ flash-disk, hdd, mobile-phone, smart-phone, smart-watch,

calculator, laptop, tablet, etc.

You can put all your stuffs in the contest room’s locker.


Technical Briefing

BINUS University

Workstation

Each team will be provided with one workstation.

All teams will have an equivalent computing environment.

Request any adjustment to the workstation during the practice session (before the contest).


Technical Briefing

BINUS University

Workstation

HardwareHP Prodesk 400 G3 DMIntel Core i5 7500T @ 2.70GHzRAM 8GBKeyboard PR1101U

You are not allowed to use your own keyboard

Manual Reference STL Programmer’s Guide (SGI) Java Documentation


Technical Briefing

BINUS University

Workstation

Operating System Windows 10 Enterprise 64-bitCompiler (IDE) GCC TDM 8.1.0 default PATH/g++

GCC TDM 8.1.0 Dev-C++ 5.11Java 8 default PATH/javac

Interpreter Python 2.7.15 default PATH/pythonPython 3.6.8 default PATH/python3

Text Editor Notepad++ 7.7.1TextPad 8.1.2

Sublime Text 3.2.1 Eclipse Neon 3 (Java)

Visual Studio Code 1.35.1

Netbeans IDE 8.0


Technical Briefing

BINUS University

Working Directory

IMPORTANT!

Save your files in drive D (D:\)• All computers are in protected mode (‘frozen’ state).• If the computer restarts, all additional data in all

drives in your computer, except drive D, will be erased.


Technical Briefing

BINUS University

Contest Platform

DOMJudgean automated judge system

Public usehttp://competition.binus.ac.id/contest/

Contest usehttp://contest.binus/

http://competition.binus.ac.id/contest/http://contest.binus/


Technical Briefing

BINUS University

Judge Machine

Hardware Intel Xeon CPU @ 2.2 GHzOperating System Ubuntu 18.04.3 LTS

Compiler (IDE) GCC 7.4.0 Java 11.0.4

Interpreter Python 2.7.15+ Python 3.6.8


Technical Briefing

BINUS University

Language

C C++11

Java

Python 2 Python 3

We DO NOT guarantee all the problems can be solved within time-limit constraint with Python even though the

same algorithm is used


Technical Briefing

BINUS University

Language

The compile/run options used for each of the languages are:

C -x c -Wall -static -pipe -DONLINE_JUDGE -DDOMJUDGE -lm

C++11 -x c++ -Wall -std=c++11 -O2 -static -pipe -DONLINE_JUDGE -DDOMJUDGE

Java -XX:+UseSerialGC -Xss64m -DONLINE_JUDGE=1 -DDOMJUDGE=1

Python 2 N/A

Python 3 N/A


Technical Briefing

BINUS University

Problem Set

There are 12 problems (A to L).

Time-Limit for each problem will be given via clarification in DOMJudge at the beginning of the contest.

Memory-Limit for each problem is 256MB.

A B C D E F G H I J K L


Technical Briefing

BINUS University

Problem Set

Each problem is printed in 1 piece of paper (double-sided).

Each team will receive an envelope which contains 2 copies of the problem set.

Username/password for DOMJudge will be given along with the problem set.

The password for practice session will be different to the password for contest.


Technical Briefing

BINUS University

Contest Preparation

Upon getting into contest room• Put all your bags in room’s locker.• On your workstation, there should be:✓ your team notebook, dictionary, or keyboard.✓ 5 blank pages✓ Problem set (in envelope)✓DomJudge login account

• LOGIN into your DOMJudge account (verify your user/pass).• DO NOT open the problem set before the contest start.

15 minutes before contest starts• DO NOT touch the keyboard.• All workstations will be cleaned and restarted.


Technical Briefing

BINUS University

Start of Contest

Countdown timer will be displayed on the screen in each contest room.

Before the contest is started:• Team MAY NOT open the problem set envelope.• Team MAY NOT touch the keyboard.

When the timer says “START”:• The contest begins!• Team may open the problem set envelope and start working.✓ There’s no need to wait further instruction.


Technical Briefing

BINUS University


Technical Briefing

BINUS University

Judge’s Responses

CORRECT, accepted solution.• The corresponding problem is considered solved.

COMPILER-ERRORMEMORY-LIMITTIMELIMITRUN-ERROR• do not forget to return 0 at the end of your main function (C/C++)• missing or different return statement may result in RUN-ERROR

NO-OUTPUTWRONG-ANSWER


Technical Briefing

BINUS University

Balloons

Each CORRECT problem will get a balloon!

Intimidate your competitor ☺

DO NOT pop the balloons …


Technical Briefing

BINUS University

Clarification

Team may submit clarification requests to the judges via DOMJudge.✓It’s better to submit only questions related to the problem set.✓Question related to the workstation or other logistics can be

addressed directly to the committee in your contest room.

If the judges agree that an ambiguity or error exists in the problem set, a clarification will be issued to all teams.


Technical Briefing

BINUS University

Printing

Printing web-address: http://icpc.binus• Use internet browser to print.

A print-runner will bring the print result to your team.

The printing address will also be broadcasted through DOMJudge clarification when the contest starts.

http://icpc.binus/


Technical Briefing

BINUS University

Scoring

Teams are ranked according to:

i. Most number of problems solved,

if (i) ties, then:

ii. Least TOTAL TIME,

if (i) and (ii) tie, then:

iii.Earliest time of submittal of the last accepted problem.


Technical Briefing

BINUS University

Scoring

TOTAL TIME is the sum of the time consumed for each solved problem.

The time consumed for a solved problem is:• the time elapsed from the beginning of the contest to the submittal

of the first accepted solution.• 20 penalty minutes for every previously rejected solution (except

COMPILE-ERROR) for that problem.

There is no time consumed for a problem that is not solved.


Technical Briefing

BINUS University

Scoreboard

Scoreboard will be displayed on (big) screen in each room, and you can also inspect the scoreboard from your workstation.

Scoreboard will not be updated in the last hour of the contest• Balloons will only be distributed for teams who solve fewer than 3

problems.• All teams still get responses from judges.

Public scoreboardhttp://competition.binus.ac.id/contest/


Technical Briefing

BINUS University

Fair Play

You might be disqualified for any activity that jeopardised the contest, including (but not limited to):

❖ hacking attempt,❖ cheating,❖ dislodging cords,❖ distracting behaviours,❖ etc.


Technical Briefing

BINUS University

Refreshment

Refreshments (snacks and drinks) are provided in front of the contest rooms on contest day. Enjoy!

Please DO NOT bring any foods or drinks into the contest room.

Please ask the committee in your room if you need to use the toilet.


Technical Briefing

BINUS University

Others

Only contestants, judges and committee are allowed to be on the 7th floor on the contest day.• Coaches are not allowed to be on the 7th floor.

Coaches and guests can observe the live scoreboard and will be given a copy of problem set in auditorium (this room).

Smoking is prohibited in any area of BINUS campus.


Technical Briefing

BINUS University

Questions?


Technical Briefing

BINUS University

Authors and Judges

✓ ICPC 2019 Indonesia National Contest✓ ICPC 2019 Regional Jakarta

1 Alfonsus Raditya Arsadjaja 6 Muhammad Ayaz Dzulfikar 11 Vincentius Madya Putra I.Dekoruma Shopee Grab

2 Alham Fikri Aji 7 Prabowo Djonatan 12 Winardi KurniawanKata.ai Garena Traveloka

3 Ashar Fuadi 8 Ricky Sentoso 13 Wiwit Rifa'iGojek Garena Traveloka

4 Jonathan Irvin Gunawan 9 Sandy KaruniaGoogle Google

5 Jonathan Mulyawan Woenardi 10 Suhendry EffendySea National University of Singapore


Technical Briefing

BINUS University

Have Funand

Good Luck!

May the balloons be with you

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