2022
South Korea
Round 11 problemAll problemsProblem - 1Round 1All problemsProblemKPhC 2022 Round 1 problem 1, All problems
Round 21 problemAll problemsProblem - 2Round 2All problemsProblemKPhC 2022 Round 2 problem 2, All problems
2021
South Korea
Problems1 problem
- 1All problemsProblemKPhC 2021 problem 1, All problems
2020
South Korea
Problems1 problem
- 1All problemsProblemKPhC 2020 problem 1, All problems
2019
South Korea
Problems1 problem
- 1All problemsProblemKPhC 2019 problem 1, All problems
2018
South Korea
Problems1 problem
- 1All problemsProblemKPhC 2018 problem 1, All problems
2017
South Korea
Problems1 problem
- 1All problemsProblemKPhC 2017 problem 1, All problems
2016
South Korea
Problems1 problem
- 1All problemsProblemKPhC 2016 problem 1, All problems
2015
South Korea
Round 11 problemAll problemsProblem - 1Round 1All problemsProblemKPhC 2015 Round 1 problem 1, All problems
Round 21 problemAll problemsProblem - 2Round 2All problemsProblemKPhC 2015 Round 2 problem 2, All problems
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