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Concept guides/Graphs and trees/Binary trees & traversal

CodingGraphs and trees

Binary trees & traversal

Medium3 min read

Questions it teaches

Lowest common ancestor BSTEasy20 min Comment thread depthEasy15 min Monorepo tree heightEasy16 min Category leaf countsEasy15 min Find cost center leadersEasy16 min Bottom view of binary treeMedium25 min Zigzag level order traversalMedium20 min Reconstruct tree postorderMedium30 min

Related

Graphs and trees Searching and sorting Designing data structures Dynamic programming

Builds on: Searching and sorting

Sorting algorithms3 min Two pointers3 min

Builds on: Designing data structures

Queues, deques & ring buffers3 min Database deduplication3 min

Leads to: Dynamic programming

Dynamic programming: 2D & strings3 min Dynamic programming: 1D3 min

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