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author | J.J <thechairman@thechairman.info> | 2024-05-30 21:49:58 -0400 |
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committer | J.J <thechairman@thechairman.info> | 2024-05-30 21:49:58 -0400 |
commit | 231c2b688d1e6cf0846d46e883da30e042a9c6cf (patch) | |
tree | 98a6d3a461fe190b38b2cf33a708a1d01703fa70 /aoc2023/src/day6/solve.gleam | |
parent | fe088aa5778dcdbaab4dd8d4a7395a91c444b45c (diff) | |
parent | a2c2b728ec6051323ed937f54816089cd2ae9d20 (diff) | |
download | gleam_aoc-231c2b688d1e6cf0846d46e883da30e042a9c6cf.tar.gz gleam_aoc-231c2b688d1e6cf0846d46e883da30e042a9c6cf.zip |
Merge branch 'main' of https://github.com/hunkyjimpjorps/AdventOfCode
Diffstat (limited to 'aoc2023/src/day6/solve.gleam')
-rw-r--r-- | aoc2023/src/day6/solve.gleam | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/aoc2023/src/day6/solve.gleam b/aoc2023/src/day6/solve.gleam deleted file mode 100644 index 88044c4..0000000 --- a/aoc2023/src/day6/solve.gleam +++ /dev/null @@ -1,85 +0,0 @@ -import adglent.{First, Second} -import gleam/io -import gleam/string -import gleam/int -import gleam/list -import gleam/result - -type Race { - Race(time: Int, distance: Int) -} - -fn parse_with_bad_kerning(input: String) { - input - |> string.split("\n") - |> list.map(fn(str) { - str - |> string.split(" ") - |> list.map(int.parse) - |> result.values - }) - |> list.transpose - |> list.map(fn(ns) { - let assert [t, d] = ns - Race(t, d) - }) -} - -fn find_bound(race: Race, button_time: Int, step: Int) { - let travel_time = race.time - button_time - case button_time * travel_time > race.distance { - True -> button_time - False -> find_bound(race, button_time + step, step) - } -} - -fn lower_bound(race: Race) { - find_bound(race, 1, 1) -} - -fn upper_bound(race: Race) { - find_bound(race, race.time, -1) -} - -pub fn part1(input: String) { - { - use acc, race <- list.fold(parse_with_bad_kerning(input), 1) - acc * { upper_bound(race) - lower_bound(race) + 1 } - } - |> string.inspect -} - -fn parse_properly(input: String) { - input - |> string.replace(" ", "") - |> string.split("\n") - |> list.flat_map(string.split(_, ":")) - |> list.map(int.parse) - |> result.values -} - -pub fn part2(input: String) { - let assert [time, distance] = - input - |> parse_properly - - let race = Race(time, distance) - - upper_bound(race) - lower_bound(race) + 1 - |> string.inspect -} - -pub fn main() { - let assert Ok(part) = adglent.get_part() - let assert Ok(input) = adglent.get_input("6") - case part { - First -> - part1(input) - |> adglent.inspect - |> io.println - Second -> - part2(input) - |> adglent.inspect - |> io.println - } -} |