Students Data Program

Data of students added using struct

Author: HamzaRasheed26

displaystudent.cpp

@@ -0,0 +1,152 @@
+#include <iostream>
+#include <conio.h>
+#include <windows.h>
+using namespace std;
+//------------Variable Declaration---------//
+struct marks
+{
+    string subject;
+    float s_marks;
+    marks *m_next;
+};
+struct student
+{
+    string name;
+    student *next;
+    marks *s_next;
+};
+student *s_head = NULL;
+marks *head = NULL;
+//------------Function Prototypes---------//
+int menu();
+void Input();
+void addRecord(string name, string subject, float m);
+student *getLastRecord(student *s_head);
+void display();
+void print();
+//---------------Main Body---------------//
+main()
+{
+    int option = menu();
+    while (true)
+    {
+        if (option == 1)
+        {
+            Input();
+            cout << endl;
+            getch();
+            system("cls");
+        }
+        if (option == 2)
+        {
+            print();
+            cout << endl;
+            getch();
+            system("cls");
+        }
+        if(option == 3)
+        {
+            break;
+        }
+        option = menu();
+        getch();
+        system("cls");
+    }
+}
+//---------Functions Definition---------//
+int menu()
+{
+  
+    int op;
+    cout << endl;
+    cout << endl;
+    cout << "\t Menu" << endl;
+    cout<<"_____________________________________"<<endl;
+    cout << endl;
+    cout << "\t1. Add Record" << endl;
+    cout << "\t2. view Record" << endl;
+    cout << "\t3. Exit" << endl;
+    cout << endl;
+    cout<<"____________________________________"<<endl;
+    cout << "Select any option:";
+    cin >> op;
+    return op;
+}
+void Input()
+{
+    string name, subject;
+    float mark;
+    cout << endl;
+    cout << "Enter name of student: ";
+    cin >> name;
+    cout << "Enter Subject: ";
+    cin >> subject;
+    cout << "Enter marks: ";
+    cin >> mark;
+    cout << endl;
+    addRecord(name, subject, mark);
+}
+void addRecord(string name, string subject, float mark)
+{
+    while (s_head != NULL)
+    {
+        if (s_head->name == name)
+        {
+            while (head != NULL)
+            {
+                marks *m_record = new marks;
+                m_record->subject = subject;
+                m_record->s_marks = mark;
+                m_record->m_next = NULL;
+            }
+        }
+    }
+    student *s_record = new student;
+    s_record->name = name;
+    s_record->s_next = NULL;
+    s_record->next = NULL;
+    marks *my_record = new marks;
+    my_record->subject = subject;
+    my_record->s_marks = mark;
+    my_record->m_next = NULL;
+    if (s_head == NULL)
+    {
+        s_head = s_record;
+    }
+    else
+    {
+        student *temp = getLastRecord(s_head);
+        temp->next = s_record;
+    }
+}
+student *getLastRecord(student *s_head)
+{
+    while (s_head != NULL)
+    {
+        s_head = s_head->next;
+    }
+    return s_head;
+}
+void display(student *temp)
+{
+    cout << temp->name;
+    cout << endl;
+    while (temp->s_next != NULL)
+    {
+        while (head != NULL)
+        {
+            cout << "Subject:  " << temp->s_next->subject << "\t\t";
+            cout << "Marks: " << temp->s_next->s_marks;
+            head = head->m_next;
+        }
+    }
+}
+void print()
+{
+    student *myRecord = s_head;
+    while (myRecord->next != NULL)
+    {
+        display(myRecord);
+        myRecord = myRecord->next;
+    }
+}