WeightedSampler

competitive::tools

Struct WeightedSampler 

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pub struct WeightedSampler {
    n: usize,
    prob: Vec<f64>,
    alias: Vec<usize>,
}

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§n: usize§prob: Vec<f64>§alias: Vec<usize>

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impl WeightedSampler

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pub fn new(weights: impl IntoIterator<Item = f64>) -> Self

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impl RandomSpec<usize> for WeightedSampler

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fn rand(&self, rng: &mut Xorshift) -> usize

Return a random value.
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fn rand_iter(self, rng: &mut Xorshift) -> RandIter<'_, T, Self> ⓘ

Return an iterator that generates random values.

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