KAIST Algorithmic Problem Solving Club RUN.
The 2025 KAIST RUN Spring Contest is here!
(UPD: KAIST Participants outside KAIST are also welcome! Make sure to use the seperate registration link)

- Date: May 5th, 2025 (Children’s Day)
- Venue: KAIST N1 Kim-Beang-Ho & Kim Sam-Youl ITC buliding, Room 117
- Format: Individual contest
- Registration deadline (May 2nd, 23:00)
Contest schedule(KST)
12:00~12:40 | entry and registration
12:40~13:00 | contest briefing and preparation
13:00~18:00 | Contest
18:00~18:20 | Break
18:20~19:00 | Scoreboard reveal & awards
19:00~ | After party (Fully supported for 2025 Spring RUN members)
Awards
Ranking Awards
- 1st Place: Galaxy Watch 7
- 2nd Place: Galaxy Buds 3 Pro
- 3rd Place: Logitech G Pro X Superlight
Awards given to the first solvers of each problem
- Awarded to the highest scorer for each problem.
- In case of a tie, the participant who reached the top score first will be awarded.
Special Prizes
- To be revealed during the award ceremony.
Rules
- Participants must bring their own laptop, charger and stationery.
- Only one computer per person is allowed.
- The contest lasts for 5 hours and consists of 9 problems, arranged in increasing difficulty.
- Participants may leave early, but may recieve disadvantages in winning certain prizes.
- No internet access is allowed during the contest, except for the contest platform. Use of generative AI tools for any purpose is strictly prohibited and considered cheating.
- Each participant may bring up to 25 printed pages, single-sided, in font size 5pt or larger. These team notes will be inspected during registration.
- Prewritten code is not allowed—you may only use code written during the contest.
- The contest will be hosted on Baekjoon Online Judge (BOJ). Please familiarize yourself with its environment.
- Only languages supported by BOJ may be used.
- At least one problem will be interactive or two-step.
Judging Environment
- The contest will be held using Baekjoon Online Judge’s contest system. Please familiarize yourself with the platform.
- Help: Judging rules
- Help: Programming Languages
Contact
- 010-7605-8717
- asdfsdf@kaist.ac.kr (박영우(the club’s president))
Past Contests
2024 Fall
2024 Spring
2023 Fall
2023 Spring
2022 Fall
2022 Spring
2021 Fall
2021 Spring
2020 Fall
2019 Fall
2019 Spring
2018 Fall
- Problems in Baekjoon Online Judge (pdf)
- Solutions
- Tests, Solution, Checker (warning, 600MB!)
- Discussion on Codeforces
2018 Spring
- Problems in Baekjoon Online Judge (Korean pdf, English pdf)
- Solutions
- Tests, Solution, Checker (warning, 400MB!)
- Discussion on Codeforces
2017 Fall
- Problems in Baekjoon Online Judge (Korean pdf, English pdf)
- Solutions (Korean version)
- Some problems were used in GP of Korea #3.
- Problem E was deleted due to the request of the author of the problem.
2017 Spring
- Problems in Baekjoon Online Judge (Korean pdf, English pdf)
- Solutions: English version, Korean version