Updation in doubly linked list in cpp

talha shahid answered on September 12, 2022 Popularity 2/10 Helpfulness 1/10

answer Updation in doubly linked list in cpp

Updation in doubly linked list in cpp

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#include<iostream>
using namespace std;
class node{
	public:
		int data;
		node* prev;
		node* next;
		void insertData();
		void printData();
		void Updation();
};
node* head=0;
void node::insertData()
{
	int c=1;
	head=new node();
	cout<<"Enter Data : ";
	cin>>head->data;
	head->next=0;
	head->prev=0;
	node* temp;
	temp=head;
	cout<<"Do you want to link another list if yes press 1 else press 2 : ";
	cin>>c;
	node *newnode;
	while(c==1)
	{
		newnode=new node();
		cout<<"Enter Data : ";
		cin>>newnode->data;
		newnode->next=0;
		newnode->prev=0;
		temp->next=newnode;
		temp=temp->next;
		cout<<"Do you want to link another list if yes press 1 else press 2 : ";
		cin>>c;
	}
}


void node::Updation()
{
	node *temp;
	int num;
	int newData;
	temp=head;
	cout<<"\nEnter number to which you are wanting to update : ";
	cin>>num;
	while(temp!=0)
	{
		if(temp->data==num)
		{
			cout<<"Enter new data : ";
			cin>>newData;
			temp->data=newData;
		}
		temp=temp->next;
	}
}

void node::printData()
{
	node* temp;
	temp=head;
	while(temp!=0)
	{
		cout<<temp->data<<" ";
		temp=temp->next;
	}
}
int main()
{
	node obj;
	obj.insertData();
	obj.printData();
	obj.Updation();
	obj.printData();
	
}

Popularity 2/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++ linked-list

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Contributed on Sep 13 2022

talha shahid

0 Answers Avg Quality 2/10

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updation in linked list in cpp

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#include<iostream>
#include<stdlib.h>
using namespace std;
class node{
    public:
    int data;
    node* next;
     void setData();
    void printData();
    void Updation();
};

node* head =0;
void node::setData()
{
	int choice=1;
	head=new node();
    cout <<"Enter data : ";
    cin>>head->data;
    head->next=NULL;
    node* temp;
    temp=head;
    node* newnode;
     cout<<"Do you want to link another list if yes press 1 else press 2 : ";
    cin>>choice;
    while(choice==1)
    {
    newnode=new node();
    cout <<"\nEnter data : ";
	cin>>newnode->data;
    newnode->next=0;
    temp->next=newnode;
    temp=temp->next;
    cout<<"\nDo you want to link another list if yes press 1 else press 2 : ";
    cin>>choice;
    }
}

void node :: Updation()
{
	node* temp;
	temp=head;
	int num;
	int tmp;
	int newData;
	cout<<"\nEnter number to which you want to update from linked list : ";
	cin>>num;
	while(temp!=0)
	{
		if(temp->data==num)
		{
			cout<<"Enter new data : ";
			cin>>newData;
			temp->data=newData;
		}
			temp=temp->next;
	}
	
	
}


void node::printData()
{
	cout<<"\n\nPrinting Linked List........\n\n";
    node* temp;
    temp=head;
    while(temp!=0)
    {
        cout<<temp->data<<" ";
        temp=temp->next;
    }
}
int main(){

    node obj;
    obj.setData();
    obj.printData();
    obj.Updation();
    obj.printData();
}

Popularity 3/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++ linked-list

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Contributed on Sep 12 2022

talha shahid

0 Answers Avg Quality 2/10

Updation in doubly linked list in cpp

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