Add solutions for 2024 day 1

1 files changed, 18 insertions, 0 deletions

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