From b3521f6253d41616d23d95182a8c9049b2d56f7a Mon Sep 17 00:00:00 2001
From: David Ashby <delta.mu.alpha@gmail.com>
Date: Mon, 1 Dec 2025 20:44:46 -0500
Subject: [PATCH] day 1 in the books

---
 main.java.tmpl | 21 +++++++++++++--
 src/Day01.java | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++
 today.sh       | 10 ++++----
 3 files changed, 93 insertions(+), 7 deletions(-)
 create mode 100644 src/Day01.java

diff --git a/main.java.tmpl b/main.java.tmpl
index c427344..fc6fbea 100644
--- a/main.java.tmpl
+++ b/main.java.tmpl
@@ -5,8 +5,25 @@ import java.util.Scanner;
 
 public class Day00 {
     public static void main(String[] args) {
-        try (Scanner scanner = new Scanner(new FileReader("resources/00/input")).useDelimiter("\\R")) {
-            StringBuilder sb = new StringBuilder();
+        part1();
+        part2();
+    }
+
+    private static void part1() {
+        try (Scanner scanner = new Scanner(new FileReader("resources/inputs/00/input")).useDelimiter("\\R")) {
+            while (scanner.hasNext()) {
+                sb.append(scanner.next());
+                sb.append("\n");
+            }
+            String input = sb.toString();
+            System.out.println(input);
+        } catch (Exception e) {
+            System.out.println(e.getMessage());
+        }
+    }
+
+    private static void part2() {
+        try (Scanner scanner = new Scanner(new FileReader("resources/inputs/00/input")).useDelimiter("\\R")) {
             while (scanner.hasNext()) {
                 sb.append(scanner.next());
                 sb.append("\n");
diff --git a/src/Day01.java b/src/Day01.java
new file mode 100644
index 0000000..f15a9c8
--- /dev/null
+++ b/src/Day01.java
@@ -0,0 +1,69 @@
+package src;
+
+import java.io.FileReader;
+import java.util.Scanner;
+
+public class Day01 {
+    public static void main(String[] args) {
+        part1();
+        part2();
+    }
+
+    private static void part1() {
+        try (Scanner scanner = new Scanner(new FileReader("resources/inputs/01/input")).useDelimiter("\\R")) {
+            int dial = 50;
+            int password = 0;
+            while (scanner.hasNext()) {
+                String instruction = scanner.next();
+                int change = Integer.parseInt(instruction.substring(1));
+                switch (instruction.charAt(0)) {
+                    case 'L' -> {
+                        dial = (dial - change + 100) % 100;
+                    }
+                    case 'R' -> {
+                        dial = (dial + change) % 100;
+                    }
+                }
+                if (dial == 0) {
+                    password += 1;
+                }
+            }
+            System.out.println(password);
+        } catch (Exception e) {
+            System.out.println(e.getMessage());
+        }
+    }
+
+    // this is the inefficient way to do it, but it's also accurate!
+    private static void part2() {
+        try (Scanner scanner = new Scanner(new FileReader("resources/inputs/01/input")).useDelimiter("\\R")) {
+            int dial = 50;
+            int password = 0;
+            while (scanner.hasNext()) {
+                String instruction = scanner.next();
+                int change = Integer.parseInt(instruction.substring(1));
+                switch (instruction.charAt(0)) {
+                    case 'L' -> {
+                        for (int i = 0; i < change; i++) {
+                            dial = (dial - 101) % 100;
+                            if (dial == 0) {
+                                password += 1;
+                            }
+                        }
+                    }
+                    case 'R' -> {
+                        for (int i = 0; i < change; i++) {
+                            dial = (dial + 1) % 100;
+                            if (dial == 0) {
+                                password += 1;
+                            }
+                        }
+                    }
+                }
+            }
+            System.out.println(password);
+        } catch (Exception e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
diff --git a/today.sh b/today.sh
index 0a8f2b9..fea9b34 100755
--- a/today.sh
+++ b/today.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-__year=2024
+__year=2025
 
 __day="${1}"
 if [ "${__day}" == "" ]; then
@@ -8,15 +8,15 @@ if [ "${__day}" == "" ]; then
 fi
 
 padded=$(printf "%02g" ${__day})
-mkdir -p ${padded}/inputs
-touch ${padded}/inputs/testinput
-if [ ! -f "${padded}/inputs/input" ]; then
+mkdir -p src/resources/inputs/${padded}
+touch src/resources/inputs/${padded}/testinput
+if [ ! -f "src/resources/inputs/${padded}/input" ]; then
     curl -s \
         -A "https://git.yetaga.in/alazyreader/AdventOfCode${__year}/" \
         -H "Cookie: session=`cat .cookie`" https://adventofcode.com/${__year}/day/${__day##0}/input > "src/resources/inputs/${padded}/input"
 fi
 if [ ! -f "src/Day${padded}.java" ]; then
     cp main.java.tmpl src/Day${padded}.java
-    gsed -i '' "s/00/${padded}/g" src/Day${padded}.java
+    sed -i '' "s/00/${padded}/g" src/Day${padded}.java
 fi
 open "https://adventofcode.com/${__year}/day/${__day##0}"