Akram Rakhmetulla comments

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                                            Akram Rakhmetulla

feat: python impl for 0-1 BFS

Would be nice to add tests too

Much simpler range sum operation

Hi @Stillswarm ! Any update here?

Feature Request: Add a section on Dynamic Dynamic Programming (DDP)

Hi, please feel free to draft the PR, and we can review it together from there. Just keep in mind any potential licensing obligations.

update phi-function.md add segmented totient (find phi function from L to R)

Thanks for the PR! The algorithm seems to be correct, but there are a couple of integer overflow issues that need to be fixed first before merging: 1) L, R,...

update phi-function.md add segmented totient (find phi function from L to R)

Clarify the φ(n) computation in the text description - right now it's underspecified. Move the relevant notes from comments into the main text so they're not overlooked. Also include the...

Square root trick for modular exponentiation

> The idea is b only needs to be calculated mod phi(m) I think this is explained in https://cp-algorithms.com/algebra/phi-function.html, and the rest should be straightforward to derive.