diff --git a/homework3/CMakeLists.txt b/homework3/CMakeLists.txt
index eae6355..edaf6ba 100644
--- a/homework3/CMakeLists.txt
+++ b/homework3/CMakeLists.txt
@@ -7,4 +7,6 @@ add_executable(test1
         Stack.h
         Stack.cpp
         test1.cpp)
-add_executable(test2 test2.cpp)
+add_executable(test2 test2.cpp
+        SeqQueue.cpp
+        SeqQueue.h)
diff --git a/homework3/SeqQueue.cpp b/homework3/SeqQueue.cpp
new file mode 100644
index 0000000..4515169
--- /dev/null
+++ b/homework3/SeqQueue.cpp
@@ -0,0 +1,22 @@
+//SeqQueue.cpp
+
+#include "SeqQueue.h"
+
+void initSeqQueue(SeqQueue &q) {
+    q.front = q.rear = 0;
+}
+
+bool isEmpty(SeqQueue &q) {
+    if (q.front == q.rear) {
+        return true;
+    }
+    return false;
+}
+
+bool isFull(SeqQueue &q) {
+    if ((q.rear + 1) % MAX_SIZE == q.front) {
+        return true;
+    }
+    return false;
+}
+
diff --git a/homework3/SeqQueue.h b/homework3/SeqQueue.h
new file mode 100644
index 0000000..1f66ad9
--- /dev/null
+++ b/homework3/SeqQueue.h
@@ -0,0 +1,23 @@
+//SeqQueue.h
+
+#ifndef SEQQUEUE_H
+#define SEQQUEUE_H
+
+#define MAX_SIZE 100
+
+typedef struct SeqQueue {
+    int data[MAX_SIZE];
+    int front, rear;
+} SeqQueue;
+
+void initSeqQueue(SeqQueue &q);
+
+bool isEmpty(SeqQueue &q);
+
+bool isFull(SeqQueue &q);
+
+void enQueue(SeqQueue &q, int e);
+
+int deQueue(SeqQueue &q);
+
+#endif //SEQQUEUE_H