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#dijkstra

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01 ·Search & Optimization·★ MEMBER·PAPER·8 min read Graph Algorithms from Scratch — Shortest Paths and Where They Lead From transit apps to vector search, the world runs on dots and lines. We build up BFS, Dijkstra, and A* assuming zero background, then follow one unbroken thread all the way to HNSW — the graph search powering retrieval in the LLM era.