1 files changed, 31 insertions, 0 deletions
diff --git a/2025/05/puzzle-2.awk b/2025/05/puzzle-2.awk
new file mode 100755
index 0000000..3dfc661
--- /dev/null
+++ b/2025/05/puzzle-2.awk
@@ -0,0 +1,31 @@
+#!/usr/bin/gawk -f
+
+function rangecmp(i1, v1, i2, v2)
+{
+	return v1[1] - v2[1]
+}
+
+function max(x, y)
+{
+	return x > y ? x : y
+}
+
+BEGIN { FS = "-" }
+
+NF == 2 {
+	xs[NR][1] = $1
+	xs[NR][2] = $2
+}
+
+END {
+	asort(xs, xs, "rangecmp")
+	for (i in xs) {
+		if (xs[i][2] <= m)
+			continue
+		cnt += xs[i][2] - max(xs[i][1], m)
+		if (xs[i][1] > m)
+			cnt++
+		m = xs[i][2]
+	}
+	print cnt
+}