diff --git a/3 栈和队列/queue.cpp b/3 栈和队列/queue.cpp
new file mode 100644
index 0000000..3d32b74
--- /dev/null
+++ b/3 栈和队列/queue.cpp	
@@ -0,0 +1,17 @@
+#include <iostream>
+using namespace std;
+#define MAXSIZE 100
+
+struct Queue {
+    ElemType data[MAXSIZE];
+    int front, rear;
+} Q;
+
+void InitQueue(Queue &Q) {
+    Q.front = 0;
+    Q.rear = 0;
+}
+
+int main() {
+    return 0;
+}
\ No newline at end of file
diff --git a/3 栈和队列/3.cpp b/3 栈和队列/stack.cpp
similarity index 100%
rename from 3 栈和队列/3.cpp
rename to 3 栈和队列/stack.cpp