diff --git a/源.cpp b/源.cpp
new file mode 100644
index 0000000..85a9f0f
--- /dev/null
+++ b/源.cpp
@@ -0,0 +1,96 @@
+#include <iostream>
+#include <vector>
+#include <string>
+#include <algorithm>
+
+struct Student {
+    int id;
+    std::string name;
+    std::string gender;
+    int age;
+    std::string major;
+};
+
+class StudentManagementSystem {
+
+public:
+    // ����ѧ����Ϣ
+    std::vector<Student> students;
+    void addStudent(const Student& s) {
+        students.push_back(s);
+    }
+
+    // ��ѯѧ����Ϣ
+    void searchStudent(int id) {
+        bool found = false;
+        for (const Student& s : students) {
+            if (s.id == id) {
+                std::cout << "ѧ�ţ�" << s.id << ", ������" << s.name << ", �Ա�" << s.gender << ", ���䣺" << s.age << ", רҵ��" << s.major << std::endl;
+                found = true;
+                break;
+            }
+        }
+        if (!found) {
+            std::cout << "δ�ҵ���ѧ�ŵ�ѧ����" << std::endl;
+        }
+    }
+
+    // ɾ��ѧ����Ϣ
+    void deleteStudent(int id) {
+        auto it = students.begin();
+        while (it != students.end()) {
+            if (it->id == id) {
+                it = students.erase(it);
+            }
+            else {
+                ++it;
+            }
+        }
+    }
+
+    // ����ѧ����Ϣ
+    void insertStudent(const Student& s) {
+        students.push_back(s);
+    }
+
+    // ��ѧ������
+    void sortByID() {
+        std::sort(students.begin(), students.end(), [](const Student& a, const Student& b) {
+            return a.id < b.id;
+            });
+    }
+};
+
+int main() {
+    StudentManagementSystem sms;
+
+    // ����һЩѧ����Ϣ
+    Student s1 = { 1, "����", "��", 20, "�������ѧ" };
+    Student s2 = { 2, "����", "Ů", 21, "���ӹ���" };
+    Student s3 = { 3, "����", "��", 19, "��ѧ" };
+
+    sms.addStudent(s1);
+    sms.addStudent(s2);
+    sms.addStudent(s3);
+
+    // ��ѯѧ����Ϣ
+    sms.searchStudent(2);
+
+    // ɾ��ѧ����Ϣ
+    sms.deleteStudent(2);
+
+    // ����ѧ����Ϣ
+    Student s4 = { 4, "����", "Ů", 22, "����ѧ" };
+    sms.insertStudent(s4);
+
+    // ����
+    sms.sortByID();
+
+    // �������ѧ����Ϣ
+    std::cout << "����ѧ����Ϣ��" << std::endl;
+    for (const Student& s : sms.students) {
+        std::cout << "ѧ�ţ�" << s.id << ", ������" << s.name << ", �Ա�" << s.gender << ", ���䣺" << s.age << ", רҵ��" << s.major << std::endl;
+    }
+
+    return 0;
+}
\ No newline at end of file