Class design and object hierarchy
File I/O for data persistence
STL containers for data management
Expression parsing and evaluation
Operator overloading implementation
Error handling and validation
Template implementation for generic data types
Iterator pattern and algorithm compatibility
Performance optimization techniques
Game loop architecture and design patterns
Entity-component system design
Input handling and game state management
Binary file I/O and image format handling
Pointer arithmetic for pixel manipulation
Algorithm implementation and optimization
Socket programming basics
Multithreading and synchronization
Protocol design and communication handling