38 lines
1.4 KiB
Text
38 lines
1.4 KiB
Text
---
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id: centroid
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title: "Centroid Decomposition"
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author: Benjamin Qi
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prerequisites:
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- dfs
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- SRQ
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description: "?"
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frequency: 1
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---
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import { Problem } from "../models";
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export const metadata = {
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problems: {
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general: [
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new Problem("CF", "Ciel the Commander", "problemset/problem/321/C", "Easy", false, ["Centroid"]),
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new Problem("YS", "Frequency Table of Tree Distance", "frequency_table_of_tree_distance", "Hard", false, ["Centroid", "FFT"], ""),
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new Problem("DMOJ", "Bob Equilibrium", "dmopc19c7p6", "Hard", false, ["Centroid"], "tight time limit"),
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new Problem("DMOJ", "Time Traveller Imaxblue", "tc19summerh", "Hard", false, ["Centroid"], ""),
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new Problem("ojuz", "JOI - Synchronization", "JOI13_synchronization", "Hard", false, ["Centroid", "Small to Large"], "Looks like $O(N \log^3 N)$ is very fast!"),
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new Problem("Plat", "At Large", "793", "Very Hard", false, ["Centroid"], "tight time limit"),
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]
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}
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};
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### Tutorial
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<Resources>
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<Resource source="Carpanese" title="Illustrated Intro to Centroid Decomposition" url="https://medium.com/carpanese/an-illustrated-introduction-to-centroid-decomposition-8c1989d53308" starred></Resource>
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<Resource source="GFG" title="Centroid Decomposition of Tree" url="centroid-decomposition-of-tree"></Resource>
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</Resources>
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### Problems
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<Problems problems={metadata.problems.general} />
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*Note:* Unfortunately, it seems like constant factor is especially important for DMOJ. :| |