day 7

src/day_7.jl

@@ -0,0 +1,16 @@
+include(joinpath(readchomp(`git rev-parse --show-toplevel`), "aoc.jl"))
+import .Aoc: @aoc
+using Pipe: @pipe
+
+
+function p1(input::Vector{String})
+	pos = @pipe split(input[1], ",") |> parse.(Int, _)
+	return minimum([ sum(abs.(i .- pos)) for i in minimum(pos):maximum(pos) ])
+end
+
+function p2(input::Vector{String})
+	pos = @pipe split(input[1], ",") |> parse.(Int, _)
+	return minimum([ sum(sum.(range.(1, abs.(i .- pos); step = 1))) for i in minimum(pos):maximum(pos) ])
+end
+
+@aoc(2021, 7)