Untitled

#include <iostream>
#include <string.h>

using namespace std;

class student
{
public:
    int prn;
    string name;
    float cgpa;
    student *next;
    student()
    {
        next = NULL;
    }
};
class studentlist
{
    student *head;

public:
    studentlist()
    {
        head = NULL;
    }
    void create();
    void display();
};

void studentlist ::create()
{
    student *temp, *p;
    char ch;
    do
    {
        temp = new student();
        cout << "Enter PRN, Name and CGPA : ";
        cin >> temp->prn >> temp->name >> temp->cgpa;
        if (head == NULL)
            head = temp;
        else
        {
            p = head;
            while (p->next != NULL)
                p = p->next;
            p->next = temp;
        }
        cout << "\n Do you want to add more";
        cin >> ch;
    } while (ch != 'n');
}

void studentlist ::display()
{
    student *p;
    p = head;
    cout << "\nStudent Details : \n";
    cout << "PRN   " << "\tName   " << "\tCGPA   " << "\t" << endl;
    while (p != NULL)
    {
        cout << p->prn << "\t" << p->name << "\t " << p->cgpa << "\t" << endl;

        p = p->next;
    }
}

int main()
{
    studentlist s;
    s.create();
    s.display();

    
    return 0;
}







#include<iostream>
using namespace std;
class node
{
	public:
		string name;
		char gender;
		int seat_no;
		node *next;
		node()
		{
			next=NULL;
		}
};

class sll
{
	public:
		node *head;
		int count;
		sll()
		{
			head=NULL;
			count = 0;
		}
		void create();
		void display();
		void insert();
		void del(int x);
		void serach(int x);
		void update(int x);
		void sort();
};

void sll::create()
{
	node *temp,*p;
	char ch;
	do
	{   count++;
		temp=new node;
		cout<<"\n Enter name : ";
		cin>>temp->name;
		cout<<"\n Enter gender:";
		cin>>temp->gender;
		cout<<"\n Enter seat no:";
		cin>>temp->seat_no;
		temp->next=NULL;
		if(head==NULL)
		{
			head=temp;
		}
		else
		{
			node *p;
			p=head;
			while(p->next!=NULL)
			{
				p=p->next;
			}
			p->next=temp;
		}
		cout<<"Do you want to continue(y/n)"<<endl;
		cin>>ch;	
	}while(ch=='y');
}

void sll::display()
{
	node *p;
	p=head;
	while(p!=NULL)
	{
		cout<<"Name:"<<p->name<<endl;
		cout<<"Gender:"<<p->gender<<endl;
		cout<<"Seat no:"<<p->seat_no<<endl;
		p=p->next;
	}
}

void sll::insert()
{
	node *temp,*p;
	temp=new node;
	cout<<"Enter name"<<endl;
	cin>>temp->name;
	cout<<"Enter gender"<<endl;
	cin>>temp->gender;
	cout<<"Enter seat no"<<endl;
	cin>>temp->seat_no;
	
	int loc;
	cout<<"Enter the location of new node:"<<endl;
	cin>>loc;
	if(loc==1)
	{
		temp->next=head;
		head=temp;
		count++;
	}
	else if(loc>=count)
	{ 
	    node *p =head;
		while(p->next!=NULL)
		{
			p=p->next;
		}
		p->next=temp;
		count++;
	}
	else
	{
		node *p=head;
		for(int i=1; i<count; i++)
		{
			p=p->next;
		}
		temp->next = p->next;
		p->next =temp;
		count++;
	}
	
}

int main()
{
	sll s;
	int choice;
	char n;
	do
	{
		cout<<"1. Create \n2. Display \n3.Insert \n4.Delete \n";
		cout<<"Enter your choice: "<<endl;
		cin>>choice;
		switch(choice)
		{
			case 1:
				{
				s.create();
				break;
			    }
			case 2:
				{
				s.display();
				break;
	            }
			case 3:
				{
				s.insert();
				s.display();
				break;
			    }
			
		}
		cout<<"Do you want to continue:";
		cin>>n;
	}while(n=='y');

	return 0;
}


void sll::del(int x)
{
	node *curr,*prev;
	curr=head;
	prev=NULL;
	int info;
	cout<<"Info of the node to be deleted"<<endl;
	cin>>info;
	curr=head;
	prev=NULL;
	while(curr!=NULL)
	{
		if(curr->seat_no==info)
		{
			if(curr=head)
			{
				
			}
		}
	}
}