Blog
Graph algorithms, in the wild.
Essays, case studies and pragmatic notes on graphs as they actually show up in shipped systems.
EssayApr 12, 2026 · 6 min
Why graphs eat the world
From your social feed to the supply chain that delivered your laptop — almost every interesting modern problem is a graph in disguise.
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Deep dive9 min
Dijkstra vs A*: when the heuristic earns its keep
Both find shortest paths. So why does every game engine ship A* and every routing engine ship Dijkstra? A practical comparison.
Mar 28, 2026
Tutorial7 min
Union-Find: the data structure you forgot you needed
Five problems where Union-Find turns an O(N²) brute force into something that runs in milliseconds.
Mar 10, 2026
Case study5 min
Topological sort and the secret life of build systems
Make, Bazel, npm, Cargo — they all rely on the same algorithm you learned in week 4 of your DSA course.
Feb 22, 2026