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 731 / 755 800
2D range update 477 / 484 800
Bulk range update 400 / 434 900
Climbing 152 / 176 1000
Stair range update 303 / 350 1100