Training Materials (2025)

Level A

Week 6 (8 Feb 2025)

Competitive Programming, Big-O

Week 7 (15 Feb 2025)

Dynamic Programming (II)

Week 8 (22 Feb 2025)

Graph (III)

Week 9 (1 Mar 2025)

Data Structures (IV)

Week 10 (8 Mar 2025)

Graph (IV)

Week 11 (15 Mar 2025)

Dynamic Programming (III)

Level B

Week 6 (8 Feb 2025)

N/A

Week 7 (15 Feb 2025)

Programming in C++

Week 8 (22 Feb 2025)

Optimization

Week 9 (1 Mar 2025)

Graph (I)

Week 10 (8 Mar 2025)

Mathematics in OI (I)

Week 11 (15 Mar 2025)

Data Structures (II)

PM Sessions

Week 6 (8 Feb 2025)

Solution to HKOI 2024/25 –

• S251 Path of Fortune
• S252 Digit Puzzle
• S253 Miles Away
• S254 Faultline of the Earthquake
• J251 Spelling Bee
• J252 Dual-Election
• J253 Tournament II
• J254 Wandering Around the Garden

Solution to HKGOI 2024/25 –

• G251 Diploma Checker
• G252 Maths or Music?
• G253 Navigation
• G254 Pyramidal Sequence
• G255 Gerrymandering
• G256 Smart Reservoir

Week 7 (15 Feb 2025)

Introduction to Linux / Exercises

Week 8 (22 Feb 2025)

Constructive Algorithms, Special Tasks (I)

Week 10 (8 Mar 2025)

Constructive Algorithms, Special Tasks (II)

Contest Materials

Mini Competition 0 (14 Feb 2025)

Editorial

Mini Competition 1 (1 Mar 2025)

Editorial

Mini Competition (Teams) (15 Mar 2025)

Editorial