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Advent of OCaml, day 5 done Whew. Getting the details right on this one took forever. Happy that the naive brute force solution (just construct a set in memory of the ingredients) couldn't be done and it required a bit more thinking.

At the risk of getting myself excommunicated from the OCaml community, day 5 is an example where imperative solution is easier to grok because there's no ready-made higher order function for the pattern you're employing. That is, IMO, this imperative C++ solution is clearer 🦆

Looks like it'd write the same in imperative ocaml, the loop doesn't have break or continue. You could even use Dynarray!