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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
952 / 981
800
2D range update
625 / 637
800
Bulk range update
529 / 571
900
Climbing
241 / 278
1000
Stair range update
411 / 465
1100
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Prefix sum
Introduction to Prefix sum
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