Safe Haskell | Safe-Inferred |
---|---|
Language | GHC2021 |
Monoid action \(f: x \rightarrow x + d\).
Since: 1.0.0.0
RangeAdd
Monoid action \(f: x \rightarrow x + d\).
Example
>>>
import AtCoder.Extra.Monoid (SegAct(..), RangeAdd(..))
>>>
import AtCoder.LazySegTree qualified as LST
>>>
import Data.Semigroup (Max(..))
>>>
seg <- LST.build @_ @(RangeAdd (Sum Int)) @(Sum Int) $ VU.generate 3 Sum -- [0, 1, 2]
>>>
LST.applyIn seg 0 3 $ RangeAdd (Sum 5) -- [5, 6, 7]
>>>
getSum <$> LST.prod seg 0 3
18
Since: 1.0.0.0
RangeAdd a |
Instances
Constructor
unRangeAdd :: RangeAdd a -> a Source #
\(O(1)\) Retrieves the internal value of RangeAdd
.
Since: 1.1.0.0