Created
December 20, 2016 12:38
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| type Elf = { N: int; mutable Gifts: int } | |
| let rec loop (elves: ResizeArray< Elf>)= | |
| let this = elves.[0] | |
| let opposite = elves.[elves.Count / 2] | |
| this.Gifts <- this.Gifts + opposite.Gifts | |
| opposite.Gifts <- 0 | |
| elves.RemoveAt(elves.Count/2) | |
| elves.RemoveAt(0) | |
| elves.Add(this) | |
| if elves.Count = 1 then elves.[0].N else loop elves | |
| for i = 3 to 81 do | |
| let elves = [| 1..i |] |> Array.map (fun i -> { N=i; Gifts=1 }) | |
| let ans = loop <| new ResizeArray<Elf>(elves) | |
| printfn "%d : %d" i ans |
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