TOKI OSN Open Contest 2018 is an open competition mirroring the National Science Olympiad in Informatics 2018 in Indonesia (OSN Informatika 2018 in Bahasa Indonesia).
OSN Informatika is a national olympiad in informatics for high school students. It is the one of the stages required for Indonesian students to represent Indonesia in IOI (International Olympiad in Informatics)
The problemset is the same as the problemset in OSN Informatika 2018, and will be given in Bahasa Indonesia and English.
The contest will be held on TLX (TOKI Online Judge) (you may need to register for a TLX account if you do not have one already).