diff --git a/d01/.gitignore b/d01/.gitignore
new file mode 100644
index 0000000..4e2fd1a
--- /dev/null
+++ b/d01/.gitignore
@@ -0,0 +1,4 @@
+*
+!*.ll
+!*.md
+!.gitignore
\ No newline at end of file