From c184b6b59c5e883f4213357563a47d00cd3a2437 Mon Sep 17 00:00:00 2001
From: kplaczek <kplaczek@wi.ps.pl>
Date: Mon, 6 Dec 2021 18:05:33 +0100
Subject: [PATCH] 6th day 1st part

---
 06/input     |  1 +
 06/part1.php | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 06/input
 create mode 100644 06/part1.php

diff --git a/06/input b/06/input
new file mode 100644
index 0000000..c696217
--- /dev/null
+++ b/06/input
@@ -0,0 +1 @@
+1,3,4,1,1,1,1,1,1,1,1,2,2,1,4,2,4,1,1,1,1,1,5,4,1,1,2,1,1,1,1,4,1,1,1,4,4,1,1,1,1,1,1,1,2,4,1,3,1,1,2,1,2,1,1,4,1,1,1,4,3,1,3,1,5,1,1,3,4,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,1,1,5,2,5,5,3,2,1,5,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,5,1,1,1,1,5,1,1,1,1,1,4,1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,3,1,2,4,1,5,5,1,1,5,3,4,4,4,1,1,1,2,1,1,1,1,1,1,2,1,1,1,1,1,1,5,3,1,4,1,1,2,2,1,2,2,5,1,1,1,2,1,1,1,1,3,4,5,1,2,1,1,1,1,1,5,2,1,1,1,1,1,1,5,1,1,1,1,1,1,1,5,1,4,1,5,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,5,4,5,1,1,1,1,1,1,1,5,1,1,3,1,1,1,3,1,4,2,1,5,1,3,5,5,2,1,3,1,1,1,1,1,3,1,3,1,1,2,4,3,1,4,2,2,1,1,1,1,1,1,1,5,2,1,1,1,2
diff --git a/06/part1.php b/06/part1.php
new file mode 100644
index 0000000..9c9ebc6
--- /dev/null
+++ b/06/part1.php
@@ -0,0 +1,19 @@
+<?php
+
+$input = file('input', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+$input = explode(',', $input[0]);
+
+$fishes = array_fill(0, 9, 0);
+foreach ($input as $fish) {
+    $fishes[$fish]++;
+}
+
+for ($i = 1; $i <= 80; $i++) {
+    $newLanternFish = $fishes[0];
+    for ($j = 1; $j <= 8; $j++) {
+        $fishes[$j-1] = $fishes[$j];
+    }
+    $fishes[6] += $newLanternFish;
+    $fishes[8] = $newLanternFish;
+}
+echo array_sum($fishes); //390011