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Monthly Archives: March 2020
Data structure challenge: finding the rightmost empty slot
Suppose we have a sequence of slots indexed from 1 to . Each slot can be either empty or full, and all start out empty. We want to repeatedly do the following operation: Given an index , find the rightmost … Continue reading
Posted in data structures
Tagged challenge, data, empty, full, log, rightmost, slot, structure
16 Comments
Competitive Programming in Haskell: modular arithmetic, part 2
In my last post I wrote about modular exponentiation and egcd. In this post, I consider the problem of solving modular equivalences, building on code from the previous post. Solving linear congruences A linear congruence is a modular equivalence of … Continue reading
blog :: Brent -> [String] 