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lang-cs
var. I had to read it three times to see all that variables are integers, and the code makes an integer division. Do yourself a favor and writeintinstead ofvar, that is not even more typing.target = target % denomination, i.e. the remainder after giving that change. It then becomes clear that every line is integral to the solution, and nothing is worth extracting. (Except maybe fetching and ordering the denominations? Dunno. This method should arguably be called GiveChange(), and be a member of a currency class.)