Module Difference array

Difference array

Frequency: 7/10

An application of prefix sum.

Resources

- [Codeforces blog: An Introduction To Difference Arrays](https://codeforces.com/blog/entry/78762)

Problems

Range update 893 / 920 800
2D range update 574 / 585 800
Bulk range update 487 / 525 900
Climbing 209 / 241 1000
Stair range update 372 / 425 1100