diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..933e274
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,14 @@
+
+client/build/built-jar.properties
+client/nbproject/build-impl.xml
+client/nbproject/genfiles.properties
+client/nbproject/private/private.properties
+client/nbproject/project.properties
+client/problem.html
+client/test/output/Main.cpp
+clientUpdater/dist/clientUpdater.jar
+clientUpdater/dist/lib/Common.jar
+clientUpdater/dist/README.TXT
+Common/dist/Common.jar
+Judger/dist/Judger.jar
+Judger/dist/lib/Common.jar