diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..51f0617
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,13 @@
+# mac + IDE
+.DS_Store
+.idea/
+.vscode/
+
+# build
+cmake-build-*/
+build/
+*.o
+*.a
+*.exe
+Prog3B
+memory