From a30eef69c6862d9e6267c32a55d774a41dadf4b1 Mon Sep 17 00:00:00 2001
From: Eoghan Conlon <git@eoghanconlon.ie>
Date: Thu, 12 Dec 2024 15:36:25 +0000
Subject: [PATCH] Day 5 part 1 initialization code

Signed-off-by: Eoghan Conlon <git@eoghanconlon.ie>
---
 src/Day05.java | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++
 src/Main.java  | 10 +++++-
 2 files changed, 93 insertions(+), 1 deletion(-)
 create mode 100644 src/Day05.java

diff --git a/src/Day05.java b/src/Day05.java
new file mode 100644
index 0000000..8120894
--- /dev/null
+++ b/src/Day05.java
@@ -0,0 +1,84 @@
+import java.io.IOException;
+import java.util.ArrayList;
+
+public class Day05 extends Input{
+    private int[][] sample_rules;
+    private ArrayList<int[]> sample_pages;
+
+    private int[][] rules;
+    private ArrayList<int[]> pages;
+
+
+    public Day05() throws IOException {
+        // Initialise the input object
+        Input input = new Input();
+        input.init("in/Day05");
+
+        //Extract the 2 parts of the input
+        ArrayList<String> sample_rules_str = new ArrayList<>();
+        ArrayList<String> sample_pages_str = new ArrayList<>();
+        boolean rules = true;
+        for(String s : input.getSample_input()){
+            if(s.isEmpty()){
+                rules = false;
+            } else {
+                if(rules){
+                    sample_rules_str.add(s);
+                } else {
+                    sample_pages_str.add(s);
+                }
+            }
+        }
+
+        ArrayList<String> rules_str = new ArrayList<>();
+        ArrayList<String> pages_str = new ArrayList<>();
+        rules = true;
+        for(String s : input.getSample_input()){
+            if(s.isEmpty()){
+                rules = false;
+            } else {
+                if(rules){
+                    rules_str.add(s);
+                } else {
+                    pages_str.add(s);
+                }
+            }
+        }
+
+        // Make the rules easier to parse
+        this.sample_rules = new int[sample_rules_str.size()][2];
+        for (int i = 0; i < sample_rules_str.size(); i++) {
+            String[] split = sample_rules_str.get(i).split("\\|");
+            int[] temp_rule = {Integer.parseInt(split[0]), Integer.parseInt(split[1])};
+            this.sample_rules[i] = temp_rule;
+        }
+
+        this.rules = new int[rules_str.size()][2];
+        for (int i = 0; i < rules_str.size(); i++) {
+            String[] split = rules_str.get(i).split("\\|");
+            int[] temp_rule = {Integer.parseInt(split[0]), Integer.parseInt(split[1])};
+            this.rules[i] = temp_rule;
+        }
+
+        // Make the pages easier to parse
+        this.sample_pages = new ArrayList<>();
+        for(String s : sample_pages_str){
+            String[] split = s.split(",");
+            int[] pages = new int[split.length];
+            for (int i = 0; i < split.length; i++) {
+                pages[i] = Integer.parseInt(split[i]);
+            }
+            this.sample_pages.add(pages);
+        }
+
+        this.pages = new ArrayList<>();
+        for(String s : pages_str){
+            String[] split = s.split(",");
+            int[] pages = new int[split.length];
+            for (int i = 0; i < split.length; i++) {
+                pages[i] = Integer.parseInt(split[i]);
+            }
+            this.pages.add(pages);
+        }
+    }
+}
diff --git a/src/Main.java b/src/Main.java
index 1d8c4fb..b6578a5 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -82,6 +82,14 @@ public class Main {
         System.out.printf("Day 3 part 1 (sample): %d (%dms)\n", day03_p1_sample, day03_p1_sample_t);
         System.out.printf("Day 3 part 1 : %d (%dms)\n", day03_p1, day03_p1_t);
         System.out.printf("Day 3 part 2 (sample): %d (%dms)\n", day03_p2_sample, day03_p2_sample_t);
-        System.out.printf("Day 3 part 2: %d (%dms)", day03_p2, day03_p2_t);
+        System.out.printf("Day 3 part 2: %d (%dms)\n", day03_p2, day03_p2_t);
+
+        System.out.println("\nDay 5:");
+
+        start = System.currentTimeMillis();
+        Day05 day05 = new Day05();
+        long day05_init = System.currentTimeMillis() - start;
+
+        System.out.printf("Day 5 init took %dms", day05_init);
     }
 }