From e69be94cb8cb2314390ea2b4ddecb8b3d5fdbc76 Mon Sep 17 00:00:00 2001
From: Retta <>
Date: Fri, 13 Mar 2020 04:50:13 +0800
Subject: [PATCH] auto save

---
 15/20.txt | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 15/20.txt

diff --git a/15/20.txt b/15/20.txt
new file mode 100644
index 00000000..2edeafb0
--- /dev/null
+++ b/15/20.txt
@@ -0,0 +1 @@
+20
\ No newline at end of file