3 files changed, 16 insertions, 0 deletions
diff --git a/2019/01/.gitignore b/2019/01/.gitignore
new file mode 100644
index 0000000..f28b4ae
--- /dev/null
+++ b/2019/01/.gitignore
@@ -0,0 +1 @@
+puzzles-[12].awk
+\ No newline at end of file
diff --git a/2019/01/Makefile b/2019/01/Makefile
new file mode 100644
index 0000000..e7d8b6c
--- /dev/null
+++ b/2019/01/Makefile
@@ -0,0 +1 @@
+include ../../Makefiles/awk.mk
+\ No newline at end of file
diff --git a/2019/01/puzzles.awk b/2019/01/puzzles.awk
new file mode 100644
index 0000000..4abe899
--- /dev/null
+++ b/2019/01/puzzles.awk
@@ -0,0 +1,14 @@
+#!/usr/bin/awk -f
+
+function fuel(n)
+{
+	n = int(n / 3) - 2
+	# START PART 1
+	return n
+	# END PART 1 START PART 2
+	return n <= 0 ? 0 : n + fuel(n)
+	# END PART 2
+}
+
+{ n += fuel($1) }
+END { print n }
+\ No newline at end of file