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Day01.fs
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Day01.fs
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module aoc22.Day01
open System
open System.IO
open Swensen.Unquote
open Xunit
let parse (x: string) =
x.Split(Environment.NewLine + Environment.NewLine)
|> Array.map (fun y -> y.Split(Environment.NewLine) |> Array.map Int32.Parse)
let totalCaloriesPerElf = Array.map Array.sum
let part1 = totalCaloriesPerElf >> Array.max
let part2 = totalCaloriesPerElf >> Array.sortDescending >> Array.take 3 >> Array.sum
let run () =
let input = File.ReadAllText("inputs/day01.txt") |> parse
$"Part 1: {part1 input} Part2: {part2 input}"
module tests =
let example =
parse
"""1000
2000
3000
4000
5000
6000
7000
8000
9000
10000"""
[<Fact>]
let ``parse example`` () =
test
<@ example = [| [| 1000; 2000; 3000 |]
[| 4000 |]
[| 5000; 6000 |]
[| 7000; 8000; 9000 |]
[| 10000 |] |] @>
[<Fact>]
let ``part 1 example output should be 24000`` () = test <@ part1 example = 24000 @>
[<Fact>]
let ``part 2 example output should be 45000`` () = test <@ part2 example = 45000 @>