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1.3 KiB
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35 lines
No EOL
1.3 KiB
Text
---
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id: bfs
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title: "Breadth First Search"
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author: Benjamin Qi
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prerequisites:
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- Silver - Depth First Search
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description: Traversing a graph in a way such that vertices closer to the starting vertex are processed first.
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---
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- [CSES Message Route](https://cses.fi/problemset/task/1667)
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<info-block title="Pro Tip">
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No silver problem should require BFS rather than DFS, but it's still good to know at this level.
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</info-block>
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### Tutorial
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- CPH 12.2
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- [PAPS 12.1](https://www.csc.kth.se/~jsannemo/slask/main.pdf)
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- [CSAcademy BFS](https://csacademy.com/lesson/breadth_first_search)
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- [cp-algo BFS](https://cp-algorithms.com/graph/breadth-first-search.html)
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- [cp-algo 0/1 BFS](https://cp-algorithms.com/graph/01_bfs.html)
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- [KhanAcademy BFS](https://www.khanacademy.org/computing/computer-science/algorithms/breadth-first-search/a/breadth-first-search-and-its-uses)
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### Problems
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- USACO Gold
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- [Monsters](https://cses.fi/problemset/task/1194)
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- [Cow Navigation](http://www.usaco.org/index.php?page=viewproblem2&cpid=695)
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- [Dream](http://www.usaco.org/index.php?page=viewproblem2&cpid=575)
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- lots of casework
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- [Lasers](http://www.usaco.org/index.php?page=viewproblem2&cpid=671)
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- [Visit FJ](http://www.usaco.org/index.php?page=viewproblem2&cpid=717)
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- Other
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- [CSAcademy BFS-DFS](https://csacademy.com/contest/round-41/task/bfs-dfs/) [](50) |