competitive_library::algorithm::fast_eratosthenes

Struct Eratosthenes

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pub struct Eratosthenes { /* private fields */ }
Expand description

エラトステネスの篩

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impl Eratosthenes

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pub fn new(n: usize) -> Self

初期化 素数フラグを処理

  • param n:usize 探索上限
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pub fn count(&mut self) -> usize

素数の個数をカウント

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pub fn primes(&self) -> Vec<usize>

フラグから素数配列を生成

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