_AIH_'s blog

Prefix Sum
By _AIH_, history, 2 years ago, In English

Please give some online judge problems in which prefix sum( also known as cumulative sum) technique is useful.

Thanks in advance.

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2 years ago, # |
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https://www.codechef.com/problems/PRFSM

https://codeforces.net/problemset/problem/1469/B Two very easy problems, hope this can help u.

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2 years ago, # |
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https://usaco.guide/silver/prefix-sums
https://usaco.guide/silver/more-prefix-sums
enjoi

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2 years ago, # |
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Some easy problems from easier to harder:

1697B - Promo

1709B - Also Try Minecraft

1615B - And It's Non-Zero.

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