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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
1091 / 1125
800
2D range update
712 / 724
800
Bulk range update
601 / 644
900
Climbing
285 / 325
1000
Stair range update
459 / 518
1100
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Prefix sum
Introduction to Prefix sum
Difference array
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