SegmentTree segment update

[kaiyuhou]

Is your feature request related to a problem? Please describe.
No.

Describe the solution you'd like
I have no clear idea.

Describe alternatives you've considered
Using binary index tree instead.

Additional context
For current SegmentTree implementation, it only supports update for one item at once. Is that possible to update a segment at once? Thank you.

https://github.com/cheran-senthil/PyRival/blob/master/pyrival/data_structures/SegmentTree.py

[bjorn-martinsson]

The data structure you are looking for is called a lazy segment tree.
https://github.com/cheran-senthil/PyRival/blob/master/pyrival/data_structures/LazySegmentTree.py

[kaiyuhou]

Thank you. I solved my question.