My Problems

Problemsetting

I set various problems for Informatics olympiads and competitions.

ICPC

Regional

• 2022 ICPC Regional Jakarta — Grid Game
• 2022 ICPC Regional Jakarta — Sharing Bread
• 2021 ICPC Regional Jakarta — White-Black Tree
• 2019 ICPC Regional Jakarta — Addition Robot

National

• 2022 ICPC Indonesia National Contest — Robot Upgrades
• 2021 ICPC Indonesia National Contest — Card Game
• 2021 ICPC Indonesia National Contest — Sum Mod Pair of A
• 2020 ICPC Indonesia National Contest — Hallway and Butler

Olympiad in Informatics

International

• 2022 International Olympiad in Informatics — Digital Circuit

National

• 2021 Indonesia National Olympiad in Informatics — Binary Sea
• 2020 Indonesia National Olympiad in Informatics — Finding Balls
• 2020 Indonesia National Olympiad in Informatics — Evil Spirit
• 2016 Indonesia National Olympiad in Informatics — River Tourism Spots

TOKI Regular Open Contest

• TOKI Regular Open Contest #20 — Obscure Superstring (coauthor)
• TOKI Regular Open Contest #17 — Guitar Gift (coauthor)

… and more problems incoming.

Scientific Committee

Coordinator

• 2021 Indonesia National Olympiad in Informatics
• 2021 Asia-Pacific Informatics Olympiad
• TOKI Regular Open Contests #7 — #26

Committee Member

• 2022 International Olympiad in Informatics
• 2020 Indonesia National Olympiad in Informatics
• 2020 Asia-Pacific Informatics Olympiad
• 2019 Indonesia National Olympiad in Informatics
• 2018 TOKI Open

Testers/Observers

• CodeTON Round 3
• Codeforces Round #831
• International Olympiad in Informatics 2021
• International Olympiad in Informatics 2020
• CodeTON Round 2
• Codeforces Round #808
• Codeforces Good Bye 2021
• Codeforces Round #728
• COMPFEST 13 Finals
• Codeforces Good Bye 2020
• Codeforces Round #684
• Codeforces Round #682 (Div. 2)
• Codeforces Raif Round 1
• Codeforces Round #659
• Codeforces Round #663
• Codeforces Global Round 9