diff --git a/test.c b/test.c
new file mode 100644
index 0000000000000000000000000000000000000000..580a49754d0921ace4d6da2162e81a21daf26455
--- /dev/null
+++ b/test.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+int main(int argc, const char *argv[])
+{
+	printf("\n");	
+	return 0;
+}
diff --git a/xiejiang.c b/xiejiang.c
new file mode 100644
index 0000000000000000000000000000000000000000..0789a837f87e492b4cc66527c1cd95c37902eef0
--- /dev/null
+++ b/xiejiang.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+int main(int argc, const char *argv[])
+{
+	printf("xiejiang\n");
+	return 0;
+}
diff --git a/zhangsan.c b/zhangsan.c
index c7a042f05ddb17b282fa97671cee2ca2d72757d2..090a1e6eb3bf10896d23f898150d4d3198417048 100644
--- a/zhangsan.c
+++ b/zhangsan.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 int main()
 {
+	printf("xiejiang\n");
 	return 0;
 }