From 91bbcf080c94463400d515deeb14a9de721417b3 Mon Sep 17 00:00:00 2001
From: HeNine <>
Date: Mon, 6 Dec 2021 06:57:14 +0100
Subject: [PATCH] Day V

---
 day06/Project.toml    |  4 ++++
 day06/data/case00.txt |  1 +
 day06/data/case01.txt |  1 +
 day06/src/day06.jl    | 53 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 59 insertions(+)
 create mode 100644 day06/Project.toml
 create mode 100644 day06/data/case00.txt
 create mode 100644 day06/data/case01.txt
 create mode 100644 day06/src/day06.jl

diff --git a/day06/Project.toml b/day06/Project.toml
new file mode 100644
index 0000000..6246e2e
--- /dev/null
+++ b/day06/Project.toml
@@ -0,0 +1,4 @@
+name = "day06"
+uuid = "000671ab-97c2-4b62-8378-0d7f78995e06"
+authors = ["HeNine "]
+version = "0.1.0"
diff --git a/day06/data/case00.txt b/day06/data/case00.txt
new file mode 100644
index 0000000..a7af2b1
--- /dev/null
+++ b/day06/data/case00.txt
@@ -0,0 +1 @@
+3,4,3,1,2
\ No newline at end of file
diff --git a/day06/data/case01.txt b/day06/data/case01.txt
new file mode 100644
index 0000000..47751d2
--- /dev/null
+++ b/day06/data/case01.txt
@@ -0,0 +1 @@
+1,4,2,4,5,3,5,2,2,5,2,1,2,4,5,2,3,5,4,3,3,1,2,3,2,1,4,4,2,1,1,4,1,4,4,4,1,4,2,4,3,3,3,3,1,1,5,4,2,5,2,4,2,2,3,1,2,5,2,4,1,5,3,5,1,4,5,3,1,4,5,2,4,5,3,1,2,5,1,2,2,1,5,5,1,1,1,4,2,5,4,3,3,1,3,4,1,1,2,2,2,5,4,4,3,2,1,1,1,1,2,5,1,3,2,1,4,4,2,1,4,5,2,5,5,3,3,1,3,2,2,3,4,1,3,1,5,4,2,5,2,4,1,5,1,4,5,1,2,4,4,1,4,1,4,4,2,2,5,4,1,3,1,3,3,1,5,1,5,5,5,1,3,1,2,1,4,5,4,4,1,3,3,1,4,1,2,1,3,2,1,5,5,3,3,1,3,5,1,5,3,5,3,1,1,1,1,4,4,3,5,5,1,1,2,2,5,5,3,2,5,2,3,4,4,1,1,2,2,4,3,5,5,1,1,5,4,3,1,3,1,2,4,4,4,4,1,4,3,4,1,3,5,5,5,1,3,5,4,3,1,3,5,4,4,3,4,2,1,1,3,1,1,2,4,1,4,1,1,1,5,5,1,3,4,1,1,5,4,4,2,2,1,3,4,4,2,2,2,3
\ No newline at end of file
diff --git a/day06/src/day06.jl b/day06/src/day06.jl
new file mode 100644
index 0000000..7594653
--- /dev/null
+++ b/day06/src/day06.jl
@@ -0,0 +1,53 @@
+##
+
+function task0(file)
+    fish = readline(file) |>
+           x -> split(x, ",") .|>
+                x -> parse(Int, x)
+
+    for generation = 1:80
+        fish = [🐟 == 0 ? [6, 8] : [🐟 - 1] for 🐟 ∈ fish] |> x -> vcat(x...)
+    end
+
+    length(fish)
+end
+
+##
+
+println("Day 06 – Task 1 – Case 0")
+open(task0, "day06\\data\\case00.txt") |> display
+@assert open(task0, "day06\\data\\case00.txt") == 5934
+
+println("Day 06 – Task 1 – Case 1")
+open(task0, "day06\\data\\case01.txt") |> println
+@assert open(task0, "day06\\data\\case01.txt") == 349549
+
+##
+
+function task1(file)
+    fish = readline(file) |>
+           x -> split(x, ",") .|>
+                x -> parse(Int, x)
+
+    🐠 = zeros(Int, 9)
+
+    for 🐟 ∈ fish
+        🐠[🐟+1] += 1
+    end
+
+    for generation = 1:256
+        🐠 = [🐠[2:7]; 🐠[1] + 🐠[8]; 🐠[9]; 🐠[1]]
+    end
+
+    sum(🐠)
+end
+
+##
+
+println("Day 06 – Task 2 – Case 0")
+open(task1, "day06\\data\\case00.txt") |> display
+@assert open(task1, "day06\\data\\case00.txt") == 26984457539
+
+println("Day 06 – Task 2 – Case 1")
+open(task1, "day06\\data\\case01.txt") |> println
+@assert open(task1, "day06\\data\\case01.txt") == 1589590444365