Struct DynamicSegmentTree

Source
pub struct DynamicSegmentTree<I: PrimInt, M: ActedMonoidWithSize> {
    pub n: I,
    /* private fields */
}

Fields§

§n: I

Implementations§

Source§

impl<I: PrimInt + ToPrimitive, M: ActedMonoidWithSize> DynamicSegmentTree<I, M>

Source

pub fn new(min: I, max: I) -> Self

Source

pub fn update(&mut self, index: I, val: M::Val)

点更新

  • 計算量:(O(\log (max-min)))
Source

pub fn get(&mut self, index: I) -> M::Val

点取得(未生成は M::e_with_size()

  • 遅延があるので push するため &mut self
Source

pub fn get_range<R: RangeBounds<I> + Debug>(&mut self, range: R) -> M::Val

区間の集約値(RangeBounds を受け取る)

  • 遅延があるので push するため &mut self
Source

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

区間に作用を適用(遅延)

Source

pub fn get_mut(&mut self, i: I) -> Option<ValMut<'_, I, M>>

get_mut(Drop で update

Source§

impl<I, M> DynamicSegmentTree<I, M>

Source

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

左端固定二分探索 返り値:(get_range(l..x), x)

Source

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

右端固定二分探索 返り値:(get_range(x..r), x)

Trait Implementations§

Source§

impl<I, M> ShowBinaryTree<Ptr> for DynamicSegmentTree<I, M>
where I: PrimInt, M: ActedMonoidWithSize, M::Val: Debug, M::Act: Debug,

Source§

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

<required> 根を取得する
Source§

fn get_left(&self, ptr: &Ptr) -> Option<Ptr>

<required> 左の子のポインタを取得する
Source§

fn get_right(&self, ptr: &Ptr) -> Option<Ptr>

<required> 右の子のポインタを取得する
Source§

fn print_node(&self, ptr: &Ptr) -> String

<required> ノードの値を表示する
Source§

fn print_inner(&self, ptr: P, fill: &mut Vec<&'static str>, last: &'static str)

再帰的にprintを行う
Source§

fn print_as_binary_tree(&self)

2分木としてフォーマットする

Auto Trait Implementations§

§

impl<I, M> Freeze for DynamicSegmentTree<I, M>
where I: Freeze,

§

impl<I, M> RefUnwindSafe for DynamicSegmentTree<I, M>

§

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

§

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

§

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

§

impl<I, M> UnwindSafe for DynamicSegmentTree<I, M>

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

impl<T> IntoEither for T

Source§

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
Source§

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
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

§

fn vzip(self) -> V