diff --git a/.gitignore b/.gitignore
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..75f96767b8676b5c7f1c1354d009b2d6f8560e78 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+3217-example*
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000000000000000000000000000000000000..94a25f7f4cb416c083d265558da75d457237d671
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file