#recursion

Flatten and rebuild nested Python containers
CodingEasyxAI
▲ 00 solutions
Validate a parsed config against field descriptors
CodingMediumApplied Intuition
▲ 00 solutions
Parse message definitions and compute their sizes
CodingMediumApplied Intuition
▲ 00 solutions
In-memory file system with files and folders
CodingMediumHarveyPerplexitySnowflake
▲ 01 solution
Nested todo list with subtasks
CodingMediumNotion
▲ 01 solution
Template formatter with plural blocks
CodingEasyFigma
▲ 01 solution
Minimum root-to-leaf path sum
CodingMediumMetaTesla
▲ 01 solution
Merge two n-ary trees by child position
CodingMediumMicrosoft
▲ 01 solution
Integer to English words, built up by range
CodingMediumMicrosoft
▲ 01 solution
Path between two nodes of an implicit Fibonacci tree
CodingHardDatabricks
▲ 01 solution
Insert plus, times and parentheses to reach a target
CodingHardGoogleAmazon
▲ 01 solution
Evaluate nested add and sub expressions
CodingMediumGoogleUber
▲ 01 solution
Merge neighbor sums from many binary trees into the last
CodingMediumSnowflake
▲ 01 solution
Compress an n-ary tree by promoting children
CodingMediumAmazonMicrosoftMeta
▲ 01 solution
Toy language type inference with generics and tuples
CodingMediumOpenAI
▲ 01 solution