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Lookup tables coding challenges

Practise lookup tables with 2 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 · 2

Skills you'll practise: Letter scoresSubtractive rulesSumming with a mapSymbol-to-value maps
  • 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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2 challenges
Easy

Roman Numeral Value

Convert a Roman numeral to a number.

You'll learn Symbol-to-value mapsSubtractive rules
BeginnerLookup-tablesStringsStudent-beginner
Python C++ C#
0 solved
No solutions yet
Easy

Word Tile Score

Add the tile values for every letter in a word.

You'll learn Letter scoresSumming with a map
Lookup-tablesStrings
Python C++ C#
0 solved
No solutions yet

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