Struct ImplicitTreap

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pub struct ImplicitTreap<M: ActedMonoid> {
    pub root: Option<Ptr>,
    /* private fields */
}
Expand description

Implicit Treap

  • 動的な列を管理するデータ構造

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§root: Option<Ptr>

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impl<M: ActedMonoid> ImplicitTreap<M>

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pub fn get(&mut self, i: usize) -> M::Val

i 番目の要素の値を取得する(clone)

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pub fn insert(&mut self, i: usize, val: M::Val)

i 番目に要素 val を挿入する

  • self.len() <= i の場合,末尾に追加する.
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pub fn push_back(&mut self, val: M::Val)

末尾に要素 val を挿入する

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pub fn remove(&mut self, i: usize)

i 番目の要素を削除する

  • self.len() <= i の場合,None を返す.
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pub fn get_range<R: RangeBounds<usize> + Debug>(&mut self, range: R) -> M::Val

区間の集約値を返す

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pub fn apply<R: RangeBounds<usize> + Debug>(&mut self, range: R, act: M::Act)

区間に作用を適用する

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pub fn reverse<R: RangeBounds<usize> + Debug>(&mut self, range: R)

区間反転

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pub fn is_empty(&self) -> bool

空であるか判定する

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pub fn len(&self) -> usize

要素数をカウントする

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pub fn split_nth( &mut self, ptr: Option<Ptr>, n: usize, ) -> (Option<Ptr>, Option<Ptr>)

ptr を根とする木を,左から n 番目までのノードとそれ以外のノードに分解する

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pub fn merge(&mut self, left: Option<Ptr>, right: Option<Ptr>) -> Option<Ptr>

left, right を根とする木を併合する

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impl<M: ActedMonoid> ImplicitTreap<M>

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pub fn max_right<F>(&mut self, l: usize, f: F) -> (M::Val, usize)
where F: Fn(M::Val) -> bool,

左端固定二分探索(segtree の max_right と同じ)

返り値:(get_range(l..x), x) 条件:f(M::e()) == true

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pub fn min_left<F>(&mut self, r: usize, f: F) -> (M::Val, usize)
where F: Fn(M::Val) -> bool,

右端固定二分探索(segtree の min_left と同じ)

返り値:(get_range(x..r), x) 条件:f(M::e()) == true

Trait Implementations§

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impl<M: ActedMonoid> Default for ImplicitTreap<M>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<M> ShowBinaryTree<Ptr> for ImplicitTreap<M>
where M: ActedMonoid, M::Val: Debug, M::Act: Debug,

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fn get_root(&self) -> Option<Ptr>

<required> 根を取得する
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fn get_left(&self, ptr: &Ptr) -> Option<Ptr>

<required> 左の子のポインタを取得する
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fn get_right(&self, ptr: &Ptr) -> Option<Ptr>

<required> 右の子のポインタを取得する
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fn print_node(&self, ptr: &Ptr) -> String

<required> ノードの値を表示する
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fn print_inner(&self, ptr: P, fill: &mut Vec<&'static str>, last: &'static str)

再帰的にprintを行う
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fn print_as_binary_tree(&self)

2分木としてフォーマットする

Auto Trait Implementations§

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impl<M> Freeze for ImplicitTreap<M>

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impl<M> RefUnwindSafe for ImplicitTreap<M>

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impl<M> Send for ImplicitTreap<M>
where <M as ActedMonoid>::Val: Send, <M as ActedMonoid>::Act: Send,

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impl<M> Sync for ImplicitTreap<M>
where <M as ActedMonoid>::Val: Sync, <M as ActedMonoid>::Act: Sync,

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impl<M> Unpin for ImplicitTreap<M>
where <M as ActedMonoid>::Val: Unpin, <M as ActedMonoid>::Act: Unpin,

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impl<M> UnwindSafe for ImplicitTreap<M>

Blanket Implementations§

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V