diff --git a/.gitignore b/.gitignore
index 3d8d9bb..663c1d6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,29 @@
 /cookie
+/day09/sample2.in
+/day09/sample3.in
+/day09/sample4.in
+/day09/sample5.in
+/day09/sample6.in
+/day09/sample7.in
+/day09/sample8.in
+/day10/sample1.in
+/day10/sample2.in
+/day10/sample3.in
+/day10/sample4.in
+/day10/sample5.in
+/day10/sample7.in
+/day10/sample9.in
+/day11/sample2.in
+/day11/sample3.in
+/day11/sample4.in
+/day11/sample5.in
+/day12/sample3.in
+/day13/sample2.in
+/day13/sample3.in
+/day14/sample2.in
+/day14/sample3.in
+/day16/sample2.in
+/day16/sample3.in
+/day17/sample2.in
+/day18/sample2.in
+/day18/sample3.in