Hi Codeforces community! :)

TOKI OSN Open Contest 2018 has ended. Thanks everyone for your participation! :D

There were a total of 96 participants:

• 21 of them achieved a score in the gold cutoff (according to the actual competition of OSN 2018).
• 15 of them achieved a score in the silver cutoff (according to the actual competition of OSN 2018).
• 14 of them achieved a score in the bronze cutoff (according to the actual competition of OSN 2018).

Congratulation to Yehezkiel for winning the contest! The full result of TOKI OSN Open Contest 2018 is available on the official website.

The problems are available for upsolving here (TLX). The problems discussion (editorial) will be written in Bahasa Indonesia only and still in progress. Fear not, we provide you the full repository of OSN 2018 consisting of the solution (including partial solutions), scorer or communicator, and testcase generator here (Github).

We thank everyone who are involved in OSN 2018:

• athin, ayaze, rais.fathin38, FwP, and Yoshiyuki as Scientific Committee
• aguss787+fushar (problem 1C), jonathanwoenardi (problem 1B), ayaze (problem 0D and 2C), athin (problem 0B, 0C, 1A, and 2B), and Scientific Committee (problem 2A) as problem setters
• fushar as writer for problem statements
• indra_vb6, sergiovieri, and ya_ as problem testers
• fushar and nathanchrs as Technical Committee
• ya_ and indra_vb6 as OSN Open Contest Committee

We hope to conduct TOKI OSN Open Contest again next year, with broader audience. If you have any inquiries, please contact [email protected]. See you next year! :)