| ☆ | Description |
|---|---|
| ★★★ | Treasure |
| ★★☆ | Extremely helpful |
| ★☆☆ | Helpful resource |
| ☆ | Name | Description |
|---|---|---|
| ★★★ | CodeForces CP Tutorials | General tutorials for Competitive Programming |
| ★★★ | CodeForces CP Catalog | General tutorials for Competitive Programming |
| ★★★ | CodeForces DSA Tutorials | Data structure and Algorithms for Competitive Programming |
| ★★★ | CP Algorithms | Algorithms for Competitive Programming |
| ★★☆ | HKOI Slides | Competitive Programming slides |
| ★☆☆ | USACO Guide | Step by step guide for Competitive Programming |
| ★☆☆ | CP Handbook | Step by step guide for Competitive Programming |
| ☆ | Name | Description |
|---|---|---|
| ★★★ | Tushar Roy | Clear algorithm tutorials |
| ★★★ | WilliamFiset | Clear animated tutorials |
| ★★☆ | VisuAlgo | Data structure and Algorithms visualizer |
| ★☆☆ | Hello-Algo | Data structure and Algorithms tutorial |
| ★☆☆ | TWU DSA+ Tutorial | Computer Science tutorial |
| ☆ | Name | Description |
|---|---|---|
| ★★★ | Math is Fun | Simple math concept lookup |
| ★★★ | WolframAlpha | All in one math calculator |
| ★★☆ | Organic Chemistry Tutor | High school math tutorials |
| ★☆☆ | Real Not Complex | Collection of math resource |
| ★☆☆ | Khan Academy | High school math tutorials |
| ★☆☆ | Paul's notes | Math cheat sheet |
| ☆ | Name | Description |
|---|---|---|
| ★★★ | Learn C++ | C++ guide |
| ★★☆ | Judge0 IDE | Online IDE |
| ★☆☆ | CPPReference | C++ reference |
| ☆ | Name | Description |
|---|---|---|
| ★★☆ | William Lin | Competitive Programming tips and tricks |
| ★☆☆ | PDFDrive | PDF Search Engine |
| ★☆☆ | Colin Galen | Competitive Programming Mindset |
| ★☆☆ | Ryan's tutorial | Short and simple tutorials |
| ★☆☆ | Internet Archive | A large variety of media resource |
| ☆ | Name | Description |
|---|---|---|
| ★★★ | CodeForces | Competitive programming online judge |
| ★★★ | LeetCode | Interview online judge |
| ★★☆ | Project Euler | Math heavy online judge |
| ★★☆ | UWaterloo Past paper | High school math competition past paper |
| ★★☆ | AoPS wiki | High school math competition past paper |
| ★☆☆ | HKOI Online Judge | Hong Kong secondary school online judge |
| ★☆☆ | DMOJ |
| Name | Date (Apply) | Description |
|---|---|---|
| CSP | 1 Sep | Chinese regional programming competition (SDIC Heat) |
| NOIP | Final | Chinese regional programming competition (SDIC Final) |
| CLMC | 3 Oct | Canadian math competition, MC version |
| COMC | 30 Oct | Canadian math olympiad |
| HKOI Heat | 30 Oct | Hong Kong programming competition (Heat) |
| HKOI Final | Final | Hong Kong programming competition (Final) |
| CSIMC | 10 Oct | Canadian math competition (hard mode) |
| CCC | 10 Feb | Canadian programming competition |
| UWMC | 10 Feb | Canadian math competition (multipule choice) |
| UWWT | 1 Mar | Canadian math competition (long answer) |
| Euclid | 1 Mar | Canadian math competition (Senior long answer) |
| HKSSCC Heat | 20 June | CityU programming competition (Heat) |
| HKSSCC Final | Final | CityU programming competition (Final) |