pub struct MexSet {
    pub ranges: BTreeSet<(isize, isize)>,
}
Expand description

集合とそのmexを管理する

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§ranges: BTreeSet<(isize, isize)>

Implementations§

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impl MexSet

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pub fn new() -> Self

MexSetを初期化する

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pub fn insert(&mut self, x: isize) -> bool

集合に要素xを追加する

戻り値
  • true: xが追加された場合
  • false: xがすでに存在していた場合
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pub fn delete(&mut self, x: isize) -> bool

集合から要素xを削除する

戻り値
  • true: xが削除された場合
  • false: xがすでに存在していなかった場合
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pub fn insert_range<R: RangeBounds<isize>>(&mut self, range: R) -> bool

集合に区間を追加する

  • 計算量: O(log(n)) (amotized)
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pub fn delete_range<R: RangeBounds<isize>>(&mut self, range: R) -> bool

集合から区間を削除する

  • 計算量: O(log(n)) (amotized)
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pub fn mex(&self, x: isize) -> isize

集合に含まれないx以上で最小の整数を調べる

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pub fn mex_rev(&self, x: isize) -> isize

集合に含まれないx以下で最大の整数を調べる

Trait Implementations§

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impl Debug for MexSet

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for MexSet

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

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

const: unstable · source§

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

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · 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.

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

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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 Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V