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AdventOfCode 2019 reasonml
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| [%raw "require('isomorphic-fetch')"] | |
| let fetchUrl = "https://adventofcode.com/2019/day/1/input" | |
| let calculateFuel = mass => | |
| mass / 3 - 2 | |
| let add = (i, j) => i + j; | |
| let parseResponse = text => | |
| Js.String.split( "\n", text) | |
| |> Js.Array.map(String.trim) | |
| |> Js.Array.filter(text => String.length(text) > 0) | |
| |> Js.Array.map( | |
| number => | |
| int_of_string(number) | |
| |> calculateFuel | |
| ) | |
| |> Js.Array.reduce((acc, currentFuel) => add(acc, currentFuel), 0) | |
| |> Js.log | |
| let fetchData = Js.Promise.( | |
| Fetch.fetchWithInit( | |
| fetchUrl, | |
| Fetch.RequestInit.make( | |
| ~headers=Fetch.HeadersInit.make({ | |
| "Cookie": "mysecret", | |
| }), | |
| () | |
| ) | |
| ) | |
| |> then_(Fetch.Response.text) | |
| |> then_(text => | |
| parseResponse(text) | |
| |> resolve | |
| ) | |
| ); |
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| let subtractBy = (~subtrahend, minuend) => minuend - subtrahend; | |
| let devideBy = (~divisor, dividend) => dividend / divisor; | |
| let subtractByTwo = subtractBy(~subtrahend=2); | |
| let devideByThree = devideBy(~divisor=3); | |
| type summarizeFuel = int => int; | |
| let summarizeFuel = (themass: int) => { | |
| let rec aux = (~sum=0, mass: int) => | |
| switch (calculateFuel(mass)) { | |
| | x when x > 0 => aux(~sum=sum + x, x) | |
| | _ => sum | |
| }; | |
| aux(themass); | |
| }; | |
| let mapSumFuel = (aList: list(int)) => { | |
| let rec aux = (~newList=[], l) => | |
| switch (l) { | |
| | [] => newList | |
| | [head, ...tail] => | |
| aux(~newList=[summarizeFuel(head), ...newList], tail) | |
| }; | |
| aux(aList); | |
| }; | |
| let summerizeList = (listToBeSumarized: list(int)) => { | |
| let rec aux = (~sum=0, l: list(int)) => | |
| switch (l) { | |
| | [] => sum | |
| | [head, ...tail] => aux(~sum=sum + head, tail) | |
| }; | |
| aux(listToBeSumarized); | |
| }; | |
| let dataset = [ 128398, 118177, 139790, 84818, 75859, 139920, 90212, 74975, 120844, 85533, 77851, 127044, 128094, 77724, 81951, 115804, 60506, 65055, 52549, 108749, 92367, 53974, 52896, 66403, 93539, 118392, 78768, 128172, 85643, 109508, 104742, 71305, 84558, 68640, 58328, 58404, 70131, 73745, 149553, 57511, 119045, 90210, 129537, 114869, 113353, 114181, 130737, 134877, 90983, 84361, 62750, 114532, 139233, 139804, 130391, 144731, 84309, 137050, 79866, 121266, 93502, 132060, 109190, 61326, 58826, 129305, 141059, 143017, 56552, 102142, 110604, 136052, 93872, 71951, 72954, 70701, 137381, 76580, 62535, 62666, 126366, 66361, 109076, 126230, 73367, 94459, 126314, 133327, 143771, 50752, 75607, 117606, 142366, 59068, 75574, 149836, 57058, 77622, 83276, 82734 ]; | |
| dataset->mapSumFuel->summerizeList->print_int; |
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