A Computer Science Guide to Search Algorithms
Description
A five-panel comic illustrating various tree traversal algorithms in the minimalist style of XKCD. The first two panels correctly depict 'DEPTH-FIRST SEARCH', showing a path that explores as far as possible down one branch before backtracking, and 'BREADTH-FIRST SEARCH', which explores nodes level by level. The next two panels introduce nonsensical joke variations: 'BREPTH-FIRST SEARCH' shows a chaotic, tangled path, and 'DEADTH-FIRST SEARCH' shows a path that seems to get stuck in a loop and terminate prematurely. The final, largest panel delivers the punchline with 'BREAD-FIRST SEARCH', where the traversal path starts at the root node of the tree and leads directly to a drawing of a loaf of bread, completely outside the data structure. The humor is a classic pun, playing on the similar-sounding 'breadth' and 'bread', a type of dry, nerdy wit that is very popular in developer and computer science communities
Comments
21Comment deleted
My manager asked for a bread-first search of the codebase. I found a TODO from 2015 commenting on 'a slice of technical debt'
We typo’d BFS as “Bread-First Search” in the design doc - now the crawler scales elegantly across bakeries, but the complexity is O(gluten) and the SRE runbook just says “BYO toaster.”
After 20 years of explaining BFS vs DFS to junior devs, you realize the real optimization is just following the smell of fresh bread from the office kitchen - O(1) time complexity for finding happiness
When your breadth-first search implementation is so hungry for optimization that it skips the entire graph traversal and goes straight for the carbs - because why explore O(V+E) nodes when you can achieve O(1) satisfaction at the bakery? Classic case of premature optimization meeting basic human needs
Brepth-first search: the traversal you get after a “perf refactor” that mixes DFS recursion with a shared BFS queue - nondeterministic order, heap thrash, and an on-call runbook for Deadth-first (then Bread-first)
We argue DFS vs BFS trade‑offs, but in production the only complete strategy is Bread‑First Search - a greedy algorithm that minimizes MTTR by maximizing pastry throughput
Death-First Search: chasing a bug deep through 47 microservices, only to hang in a circular dependency noose
Death first search Comment deleted
+ Comment deleted
last search Comment deleted
Please provide attribution when posting XKCD content, it's CC BY-NC Comment deleted
Bruh or else? Comment deleted
it's a copyright violation Comment deleted
And... Someone's gonna shut down the channel? Comment deleted
it's pretty easy actually Comment deleted
and some people will miss opportunity to check out discussions of this xkcd Comment deleted
I'm sure there's no person who doesn't knows the author or how to find the author Comment deleted
of course there are Comment deleted
ok, name every xkcd Comment deleted
https://m.xkcd.com/2407/ Comment deleted
what is that? Comment deleted