Day 1

• Self Defence
  • Author: Ashar Fuadi
  • Test data, solutions, and supplementary materials
• Binary Sea
  • Author: Prabowo Djonatan
  • Test data, solutions, and supplementary materials
• Colouring Balls
  • Author: Abdul Malik Nurrokhman
  • Test data, solutions, and supplementary materials

Day 2

• Self Permutation
  • Author: Steven Novaryo
  • Test data, solutions, and supplementary materials
• Binary Land
  • Author: Pikatan Arya Bramajati, Scientific Committee
  • Test data, solutions, and supplementary materials
• Delivering Balls
  • Author: Abdul Malik Nurrokhman
  • Test data, solutions, and supplementary materials

Other Materials and Information

• Problem discussion slides (in Bahasa Indonesia)
• Upsolving on TLX platform
• Editorial is also available in the upsolve link.
• If you would like to give feedback to the KSN Open, you may submit a response in this form.