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 657 / 681 800
2D range update 425 / 432 800
Bulk range update 352 / 382 900
Climbing 125 / 146 1000
Stair range update 271 / 314 1100