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Math coding challenges

Practise math with 21 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 · 13 Medium · 8

Skills you'll practise: Floating pointFormulasPolymorphismAdapter patternAmortised costArithmeticArithmetic seriesAttack patternsCase analysisClosed formulasCoin changeCoordinates
  • Python · C++ · C#
  • Automated tests
  • AI code review
  • Community solutions
Programming
Programming fundamentalsFrom variables to recursion, for beginners
AI and machine learning
AI Learning HubNeural networks, ML and LLMs from scratch Neural networks from scratchNeurons, backpropagation and optimizers Machine learning from scratchRegression, classification and clustering Transformers and LLMs from scratchTokenizers, attention and text generation Classical AI and reinforcement learningSearch, games and reinforcement learning
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21 challenges
Easy

Price Decorators

Wrap a base price in discount, tax, shipping and coupon decorators applied in order.

You'll learn Decorator patternPercentages
Design patternsSimulationmath
Python C++ C#
0 solved
No solutions yet
Medium

Weekly Payroll

Total a week's pay for salaried, hourly and commission employees, each paid by its own rule.

You'll learn PolymorphismOvertime math
ParsingSimulationmath
Python C++ C#
0 solved
No solutions yet
Easy

Growing a Dynamic Array

Simulate how a dynamic array doubles its capacity and count the reallocations and copied elements.

You'll learn Dynamic arraysAmortised cost
ArraysSimulationmath
Python C++ C#
0 solved
No solutions yet

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