my solutions to advent of code
aoc advent-of-code

part 1

aylac.top dbc35576 b99210bb

verified
Changed files
+69
2025
+20
2025/6/gleam/gleam.toml
···
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name = "main"
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version = "1.0.0"
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# Fill out these fields if you intend to generate HTML documentation or publish
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# your project to the Hex package manager.
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#
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# description = ""
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# licences = ["Apache-2.0"]
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# repository = { type = "github", user = "", repo = "" }
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# links = [{ title = "Website", href = "" }]
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#
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# For a full reference of all the available options, you can have a look at
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# https://gleam.run/writing-gleam/gleam-toml/.
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[dependencies]
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gleam_stdlib = ">= 0.44.0 and < 2.0.0"
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simplifile = ">= 2.3.0 and < 3.0.0"
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[dev-dependencies]
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gleeunit = ">= 1.0.0 and < 2.0.0"
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2025/6/gleam/manifest.toml
···
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# This file was generated by Gleam
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# You typically do not need to edit this file
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packages = [
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{ name = "filepath", version = "1.1.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "B06A9AF0BF10E51401D64B98E4B627F1D2E48C154967DA7AF4D0914780A6D40A" },
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{ name = "gleam_stdlib", version = "0.65.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "7C69C71D8C493AE11A5184828A77110EB05A7786EBF8B25B36A72F879C3EE107" },
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{ name = "gleeunit", version = "1.7.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "CD701726CBCE5588B375D157B4391CFD0F2F134CD12D9B6998A395484DE05C58" },
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{ name = "simplifile", version = "2.3.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "0A868DAC6063D9E983477981839810DC2E553285AB4588B87E3E9C96A7FB4CB4" },
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]
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[requirements]
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gleam_stdlib = { version = ">= 0.44.0 and < 2.0.0" }
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gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
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simplifile = { version = ">= 2.3.0 and < 3.0.0" }
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2025/6/gleam/src/main.gleam
···
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import gleam/int
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import gleam/io
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import gleam/list
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import gleam/result
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import gleam/string
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import simplifile as file
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pub fn main() {
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let assert Ok(input) = file.read(from: "../input.txt")
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as "Input file not found"
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let input = input |> string.trim
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let input =
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list.fold(list.range(1, 10), input, fn(acc, _) {
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acc |> string.replace(" ", " ")
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})
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let part_1 =
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input
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|> string.split("\n")
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|> list.map(fn(i) { string.split(i, " ") })
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|> list.transpose
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|> list.map(fn(i) {
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let i = list.reverse(i)
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let assert Ok(s) = list.first(i)
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let i =
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list.drop(i, 1) |> list.map(fn(i) { int.parse(i) |> result.unwrap(0) })
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let r = case s {
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"+" -> int.sum(i)
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"*" -> list.reduce(i, int.multiply) |> result.unwrap(0)
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_ -> panic as "invalid"
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}
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r
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})
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|> int.sum
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echo part_1
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}