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Concept guides/Graphs and trees/Segment trees & Fenwick trees

CodingGraphs and trees

Segment trees & Fenwick trees

Hard3 min read

Questions it teaches

Mutable range sum queriesMedium30 min Range update point queryMedium30 min Range minimum queriesMedium25 min Fenwick tree range updatesMedium25 min Segment tree range maxMedium30 min Segment tree with lazy propagationHard40 min Maximum subarray with updatesHard45 min 2D Fenwick treeHard40 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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