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Monthly Archives: July 2020
Competitive programming in Haskell: cycle decomposition with mutable arrays
In my previous post I I challenged you to solve Chair Hopping: if a bunch of people permute themselves according to the same rule twice, how many different rules could they be following which would result in the observed final … Continue reading
Competitive programming in Haskell: 2D cross product, part 1
Time for some more geometry! In my previous post I challenged you to solve Cookie Cutters, which asks us to scale the vertices of a polygon so that it has a certain prescribed area. It’s possible to solve this just … Continue reading
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