Advanced Group
Session 0 (30 Jan 2021)
Solution to HKOI 2020/21 –
Session 2 (20 Feb 2021)
Session 3 (27 Feb 2021)
Session 4 (6 Mar 2021)
Session 6 (20 Mar 2021)
Session 8 (3 Apr 2021)
Session 9 (10 Apr 2021)
Session 10 (24 Apr 2021)
Session 11 (1 May 2021)
Session 12 (15 May 2021)
Intermediate Group
Session 0 (30 Jan 2021)
Solution to HKOI 2020/21 –
Session 2 (20 Feb 2021)
Session 3 (27 Feb 2021)
Session 4 (6 Mar 2021)
Session 6 (20 Mar 2021)
Session 8 (3 Apr 2021)
Session 9 (10 Apr 2021)
Session 10 (24 Apr 2021)
Session 11 (1 May 2021)
Session 12 (15 May 2021)
Combined Sessions
Session 1 (6 Feb 2021)
Competitive Programming, Big-O
Mathematics in OI (I)
Session 2 (20 Feb 2021)
Session 3 (27 Feb 2021)
Session 4 (6 Mar 2021)
Constructive Algorithms, Special Tasks
Session 6 (20 Mar 2021)
Session 8 (3 Apr 2021)
Session 9 (10 Apr 2021)
Session 10 (24 Apr 2021)
Session 11 (1 May 2021)
Functional Programming + OCaml
Session 12 (15 May 2021)
Contest Materials
New Year Contest (1 Jan 2021)
Mini Competition 0 (14 Feb 2021)
Mini Competition 1 (13 Mar 2021)
Mini Competition 2 (27 Mar 2021)
Mini Competition 3 (8 May 2021)
Team Formation Test (17 Apr 2021)
Solution to Snow Way
Solution to Food Kangaroo
Solution to Game Developer
Solution to Re:Zero