From 9ad233e4d967f7c134a1d6c50965bcdb722432ab Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Sun, 1 Dec 2024 17:21:32 +0100
Subject: Add solutions for 2024 day 1
---
2024/01/input | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++
2024/01/puzzle-1.awk | 18 +
2024/01/puzzle-2.awk | 12 +
3 files changed, 1030 insertions(+)
create mode 100644 2024/01/input
create mode 100755 2024/01/puzzle-1.awk
create mode 100755 2024/01/puzzle-2.awk
diff --git a/2024/01/input b/2024/01/input
new file mode 100644
index 0000000..515f1a2
--- /dev/null
+++ b/2024/01/input
@@ -0,0 +1,1000 @@
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\ No newline at end of file
diff --git a/2024/01/puzzle-1.awk b/2024/01/puzzle-1.awk
new file mode 100755
index 0000000..ff361aa
--- /dev/null
+++ b/2024/01/puzzle-1.awk
@@ -0,0 +1,18 @@
+#!/usr/bin/awk -f
+
+function abs(n) {
+ return n < 0 ? -n : n
+}
+
+{
+ xs[++i] = $1
+ ys[i] = $2
+}
+
+END {
+ asort(xs)
+ asort(ys)
+ for (i in xs)
+ d += abs(xs[i] - ys[i])
+ print d
+}
\ No newline at end of file
diff --git a/2024/01/puzzle-2.awk b/2024/01/puzzle-2.awk
new file mode 100755
index 0000000..8400a16
--- /dev/null
+++ b/2024/01/puzzle-2.awk
@@ -0,0 +1,12 @@
+#!/usr/bin/awk -f
+
+{
+ xs[++i] = $1
+ ys[$2]++
+}
+
+END {
+ for (i in xs)
+ d += xs[i] * ys[xs[i]]
+ print d
+}
\ No newline at end of file
--
cgit v1.2.3