haar_lib::ds::disjoint_sparse_table

Struct DisjointSparseTable

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pub struct DisjointSparseTable<S: Semigroup> { /* private fields */ }
Expand description

半群の列の区間取得($O(1)$)ができる。

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impl<S: Semigroup + Clone> DisjointSparseTable<S>

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pub fn new(seq: Vec<S>) -> Self

列seqからDisjointSparseTable<S>を構築する。

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pub fn fold(&self, range: impl RangeBounds<usize>) -> Option<S>

Time complexity $O(1)$

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impl<S> Freeze for DisjointSparseTable<S>

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impl<S> RefUnwindSafe for DisjointSparseTable<S>
where S: RefUnwindSafe,

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impl<S> Send for DisjointSparseTable<S>
where S: Send,

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impl<S> Sync for DisjointSparseTable<S>
where S: Sync,

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impl<S> Unpin for DisjointSparseTable<S>
where S: Unpin,

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impl<S> UnwindSafe for DisjointSparseTable<S>
where S: UnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.