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Patterns coding challenges

Practise patterns with 4 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 · 3 Medium · 1

Skills you'll practise: Building stringsCase analysisCounters across rowsEdge detectionGrowing rowsMath patternsPaddingString patterns
  • 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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4 challenges
Easy

Number Triangle

Build a triangle of increasing numbers.

You'll learn Growing rowsCounters across rows
BeginnerLearning-pathNested-loopsPatterns
Python C++ C#
0 solved
No solutions yet
Easy

Pyramid Rows

Draw a right-aligned pyramid of # blocks.

You'll learn String patternsPadding
BeginnerLearning-pathNested-loopsPatterns
Python C++ C#
0 solved
No solutions yet
Easy

Hollow Square

Draw the outline of a square with * characters.

You'll learn Edge detectionBuilding strings
BeginnerLearning-pathNested-loopsPatterns
Python C++ C#
0 solved
No solutions yet
Medium

Number Spiral Lookup

Find a value by row and column in an expanding number spiral.

You'll learn Math patternsCase analysis
Patternsmath
Python C++ C#
0 solved
No solutions yet

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