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Learn Python Runnable examples, NumPy, pandas, and more Learn AINeural networks, ML and LLMs from scratch Learn C & C++ Pointers, memory, STL, and modern C++ Learn C#C# basics, OOP, LINQ, async, and .NET exercises Python Algorithms Search, sorting, recursion, and visualizers O(n) C & C++ Algorithms Compare algorithms implemented in C and C++
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Simulation coding challenges
Practise simulation with 19 coding challenges, from easy to hard. Every challenge runs in your browser with instant tests, an AI review of your code and community solutions to compare.
Easy · 12 Medium · 6 Hard · 1
Skills you'll practise: PolymorphismAmortised costBusiness rulesCommand processingConcurrencyDecorator patternDictionariesDirection vectorsDynamic arraysEncapsulationEvolutionary searchFacade pattern
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Keep a list of tasks: add them, mark them done, remove them and report what is still pending.
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