4 files changed, 34 insertions, 6 deletions
diff --git a/2015/02/Makefile b/2015/02/Makefile
new file mode 100644
index 0000000..3e0defd
--- /dev/null
+++ b/2015/02/Makefile
@@ -0,0 +1 @@
+include ../../Makefiles/awk.mk
diff --git a/2015/02/puzzle-1.awk b/2015/02/puzzle-1.awk
index e316ba2..5c05d31 100755
--- a/2015/02/puzzle-1.awk
+++ b/2015/02/puzzle-1.awk
@@ -1,7 +1,6 @@
-#!/usr/bin/env -S awk -f
+#!/usr/bin/awk -f
 
-function min(a, b, c)
-{
+function min(a, b, c) {
 	if (a <= b && a <= c)
 		return a
 	if (b <= a && b <= c)
@@ -11,6 +10,7 @@ function min(a, b, c)
 
 BEGIN { FS = "x" }
 {
+	# START PART 1
 	x = $1 * $2
 	y = $2 * $3
 	z = $1 * $3
diff --git a/2015/02/puzzle-2.awk b/2015/02/puzzle-2.awk
index e031b94..450aed9 100755
--- a/2015/02/puzzle-2.awk
+++ b/2015/02/puzzle-2.awk
@@ -1,7 +1,6 @@
-#!/usr/bin/env -S awk -f
+#!/usr/bin/awk -f
 
-function min(a, b, c)
-{
+function min(a, b, c) {
 	if (a <= b && a <= c)
 		return a
 	if (b <= a && b <= c)
@@ -16,5 +15,6 @@ BEGIN { FS = "x" }
 	z = $1 + $1 + $3 + $3
 
 	sum += $1 * $2 * $3 + min(x, y, z)
+	# END PART 2
 }
 END   { print sum }
diff --git a/2015/02/puzzles.awk b/2015/02/puzzles.awk
new file mode 100644
index 0000000..b7b35e1
--- /dev/null
+++ b/2015/02/puzzles.awk
@@ -0,0 +1,27 @@
+#!/usr/bin/awk -f
+
+function min(a, b, c) {
+	if (a <= b && a <= c)
+		return a
+	if (b <= a && b <= c)
+		return b
+	return c
+}
+
+BEGIN { FS = "x" }
+{
+	# START PART 1
+	x = $1 * $2
+	y = $2 * $3
+	z = $1 * $3
+
+	sum += (2 * x) + (2 * y) + (2 * z) + min(x, y, z)
+	# END PART 1 START PART 2
+	x = $1 + $1 + $2 + $2
+	y = $2 + $2 + $3 + $3
+	z = $1 + $1 + $3 + $3
+
+	sum += $1 * $2 * $3 + min(x, y, z)
+	# END PART 2
+}
+END   { print sum }