Insert a node after specified number of nodes

//-------------------

Insert a node after specified number of nodes ----------------------

void Employee::add_at_speci( )

{

       int n;

       cout << "\nAfter How Many Nodes Do You Want to Add a New Node? ";   

              cin >> n;

       int s_n = 0; 

       EmployeeNode* T = NULL;   

       current = first;

       while(s_n != n)

       {

              T = current;

              s_n++;

              current = current->next;

       }

       EmployeeNode* temp = new EmployeeNode;

       T->next = temp;      temp->next = current;

       cout << "\nEnter Employee's Name: ";     cin >> temp->name;

       cout << "Enter Employee's Salary: ";     cin >> temp->salary;

}

Insert node at end

//---------------------------------

Insert node at end------------------------------------

void Employee::add_at_end( )

{

       EmployeeNode* temp = new EmployeeNode;

       cout << "\nEnter Employee's Name: ";

              cin >> temp->name;

       cout << "Enter Employee's Salary: ";

              cin >> temp->salary;

       temp->next = first; 

       first = temp;

}

Insert node at start

//--------------------------------

Insert node at start-----------------------------------

void Employee::add_at_start( )

{

       EmployeeNode* temp = new EmployeeNode;

       cout << "\nEnter Employee's Name: ";    

cin >> temp->name;

       cout << "Enter Employee's Salary: ";    

cin >> temp->salary;

       if(first == NULL)

       {

              first = temp;

              current = first;

       }

       else

       {

              current->next = temp;

              current = temp;

       }

}

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