Concepts: Stack, Queue, Algorithm simulation.
Concepts: Divide and conquer, recursion, sorting.
Concepts: Scheduling algorithms, process management.
Concepts: Parsing, string handling, dictionaries.
Concepts: Networking fundamentals, pattern matching.
Concepts: OOP, encapsulation, inheritance.
Concepts: Automata theory, state machines.
Concepts: Game trees, recursion, decision-making.
Concepts: Cryptography basics, string manipulation.
Concepts: HTTP requests, APIs, JSON parsing.
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