Contest | ICPC

Competition rules are based on ICPC Regional Rules for Regionals 2023/24. The rules are partly adjusted to better suit the competition area. Competitors and coaches should be well aware and strictly conform to the rules in order to ensure equality and fairness of the competition.

https://icpc.global/regionals/rules

Each team must contain a coach (a follower allowed) and 3 competitors from the same institute. If the above condition is not met, the team will not be ranked and will not participate in any rewards and rights to advance in the competition. However, the team can still compete if approved by competition organizers.

The competition is about writing a program to solve problems (problem statements are in English). The program must be written in either C, C++, Python, Kotlin, or Java programming language. The duration of the competition is 5 hours. Each team can solve the problems in any order; the program for each problem can be written in any of the aforementioned programming languages.

1. Each team is allowed to bring printed material according to the following limitations:
- It may contain up to 25 pages of reference materials, machine-printed on single-sided Letter (8 ✕ 11 inches) or A4 sized paper (210 ✕ 297 mm), with pages numbered on the upper right-hand corner. Team name and University name must be printed on the first page (included in 25 pages).
- It may include hand-written comments and corrections on the first page only.
- Text and illustrations must be readable by a person with correctable eyesight without magnification from a distance of 0.5 meter.
- Each team member may have an exact copy of the printed material.
- The document must be in some type of notebook, binder, envelope, or folder with the name of the institution and team on front.
The material must be submitted before competition. The team may also bring stationery (pens, pencils, erasers, rulers, protractors, etc.Only candy the competitors may bring as food; Competitors are not allowed to bring any drink. The competitors may bring the mascot dolls. All materials (team notebooks, stationery, candy, mascot doll, etc.) will be collected on the first day for inspection. The materials will then be placed in the team's designated workstation of the contest proper. Anything that has not been submitted before competition is not allowed in the competition. All materials must be submitted before the competition in the practice session on September 7th starting from 1:30 PM and you will leave all materials in the competition room.
2. All communication, electronic devices and personal belongings e.g. phone, digital watch, calculator, MP3 player, flash drive, CD, iPod, mouse, keyboard are not allowed.
3. Competitors are expected to switch off all communication devices and surrender such devices to their respective coaches for the duration of the contest.
4. Competitors are not to converse with anyone except members of their team and personnel designated by the regional contest director. Systems support staff may advise contestants on system-related problems such as explaining system error messages.
5. During competition, each team member can ask proctors to go to the provided restroom with supervision from proctors no more than 15 minutes at a time.
6. Each team is not allowed to use the Internet or attempt to use the Internet.
7. On the competition day September 8th, only empty-handed entry into the room is allowed.

Solutions to problems submitted for judging are called runs. Each run is judged as accepted or rejected, and the team is notified of the results. A problem is solved when it is accepted by the judges. To accept or reject a submission, judges will compile and test the program with a different set of test data which have been prepared in advance.

Rejected runs will be marked as follows:

Runtime Error: the program crashed (runtime error) when processing the test data.
Time Limit Exceeded: The program took more than the specified time limit to produce output and properly complete execution.
Wrong Answer: The program did not produce the correct output. Presentation errors (e.g. too many whitespace) will be marked as Wrong Answer.

No other details will be given to each response.

A contestant may submit a claim of ambiguity or error in a problem statement by submitting a clarification request to the DOMjudge system. If the judges agree that an ambiguity or error exists, a clarification will be issued to all contestants.

Using the instructions provided during the competition, each team can see a live scoreboard which tells the current ranking of every team. Live scoreboard will also be shown to the public. The live scoreboard will be frozen during the last hour of the competition. During that time, the competitors will still get judge’s responses as usual. Additionally, teams will be awarded balloons corresponding to each problem they solve, marked by distinct colors.

While the contest is scheduled for five hours, the contest director has the authority to alter the length of the contest in the event of unforeseen difficulties. Should the contest duration be altered, every attempt will be made to notify contestants in a timely and uniform manner.

A team may be disqualified by the contest director for any activity that jeopardizes the contest such as dislodging extension cords, unauthorized modification of contest materials, any activity that may knowingly or unknowingly adversely impact another team or distracting behavior.

A problem is solved when it is accepted by the judges. The judges are solely responsible for accepting or rejecting submitted runs. In consultation with the judges, the Contest Director determines the winners of the contest. The contest director and judges are empowered to adjust for or adjudicate unforeseen events and conditions. Their decisions are final.

Teams are ranked according to the most problems solved. Teams who solve the same number of problems are ranked by least total time. The total time is the sum of the time consumed for each problem solved. The time consumed for a solved problem is the time elapsed from the beginning of the contest to the submission of the first accepted run plus 20 penalty minutes for every previously rejected run for that problem. There is no time consumed for a problem that is not solved. If both the number of solved problems and total time are equal, the time of the last solved problem without penalty is considered. If the time is still equal, the previously solved problems will be considered subsequently.

All inquiries, concerns, and protests on the results must be brought to the attention of the Contest Director and the Chief of Judges within 30 minutes after competition ends. If any unexpected circumstance happens in the competition, competition organizers will consider it case by case, and the decisions of competition organizers are final.

CPU: 6 cores

RAM: 10 GB

OS: Ubuntu 22.04.4

Desktop: GNOME

No hardware substitutions will be allowed (that is, teams may not bring their own equipment onto the contest floor). This includes that teams may not substitute keyboards or other peripherals; all teams will use identical equipment, as described above, during the contest.

Languages:

Java (OpenJDK 17.0.10)
compiler flags: -encoding UTF-8 -sourcepath . -d .

runtime flags: -Dfile.encoding=UTF-8 -XX:+UseSerialGC -Xss${MEMSTACK}k -Xms${MEMLIMITJAVA}k -Xmx${MEMLIMITJAVA}k
C (gcc 11.4.0)
compiler flags: -x c -g -O2 -std=gnu11 -static -pipe
C++ (g++ 11.4.0)
compiler flags: -x c++ -g -O2 -std=gnu++20 -static -pipe
Kotlin (Version 1.9)
compiler flags: -d .

runtime flags: -Dfile.encoding=UTF-8 -J-XX:+UseSerialGC -J-Xss${MEMSTACK}k -J-Xms${ MEMLIMITJAVA}k -J-Xmx${MEMLIMITJAVA}k
Python (pypy3) 7.3.9

Editors and IDEs:

vim 8.2.2121
emacs 27.1
gdit 41.0
geany 1.38
kate 21.12.3
VS Code 1.90.2 with extensions C/C++ v1.21.6 and Python v2024.12.2
Eclipse 4.31.0 configured with Java
Intellij IDEA Community Edition 2023.3.5 configured with Java and Kotlin
Pycharm Community Edition 2023.3.4 configured with PyPy
Code::Blocks 20.03-r11997 configured with C/C++

The best team from each university is eligible to compete for a scholarship

Winning team ฿25,000 scholarship

First runner-up team ฿20,000 scholarship

Second runner-up team ฿15,000 scholarship

Additionally, the first team to solve each problem will be awarded another ฿3,000 scholarship

Contest Rules

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