Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


Write a program to implement BFS/ DFS routine in a connected
graph



Write a program to implement BFS/ DFS routine in a connected graph..

Answer / akshay p

#include<iostream.h>
#include<conio.h>
#include<stdlib.h>

void create(); // For creating a graph
void dfs(); // For Deapth First Search(DFS) Traversal.
void bfs(); // For Breadth First Search(BFS) Traversal.

struct node // Structure for elements in the graph
{
int data,status;
struct node *next;
struct link *adj;
};

struct link // Structure for adjacency list
{
struct node *next;
struct link *adj;
};

struct node *start,*p,*q;
struct link *l,*k;

int main()
{
int choice;
clrscr();
create();
while(1)
{
cout<<"-----------------------\n\n";
cout<<"1: DFS\n\n2: BSF\n\n3: Exit\n\nEnter
your choice: \n";
cin>>choice;
switch(choice)
{
case 1:
dfs();
break;
case 2:
bfs();
break;
case 3:
exit(0);
break;
default:
cout<<"Incorrect choice!Re-enter your
choice.";
getch();
}
}
return 0;
}

void create() // Creating a graph
{
int dat,flag=0;
start=NULL;
cout<<"Enter the nodes in the graph(0 to end): ";
while(1)
{
cin>>dat;
if(dat==0)
break;
p=new node;
p->data=dat;
p->status=0;
p->next=NULL;
p->adj=NULL;
if(flag==0)
{
start=p;
q=p;
flag++;
}
else
{
q->next=p;
q=p;
}
}
p=start;
while(p!=NULL)
{
cout<<"Enter the links to "<<p->data<<" (0 to
end) : ";
flag=0;
while(1)
{
cin>>dat;
if(dat==0)
break;
k=new link;
k->adj=NULL;
if(flag==0)
{
p->adj=k;
l=k;
flag++;
}
else
{
l->adj=k;
l=k;
}
q=start;
while(q!=NULL)
{
if(q->data==dat)
k->next=q;
q=q->next;
}
}
p=p->next;
}
cout<<"-------------------------";
return;
}


// Deapth First Search(DFS) Traversal.
void bfs()
{
int qu[20],i=1,j=0;
p=start;
while(p!=NULL)
{
p->status=0;
p=p->next;
}
p=start;
qu[0]=p->data;
p->status=1;
while(1)
{
if(qu[j]==0)
break;
p=start;
while(p!=NULL)
{
if(p->data==qu[j])
break;
p=p->next;
}
k=p->adj;
while(k!=NULL)
{
q=k->next;
if(q->status==0)
{
qu[i]=q->data;
q->status=1;
qu[i+1]=0;
i++;
}
k=k->adj;
}
j++;
}
j=0;
cout<<"Breadth First Search Results";
cout<<"---------------------------";
while(qu[j]!=0)
{
cout<<qu[j]<<" ";
j++;
}
getch();
return;
}


// Breadth First Search(BFS) Traversal.
void dfs()
{
int stack[25],top=1;
cout<<"Deapth First Search Results";
cout<<"---------------------------";
p=start;
while(p!=NULL)
{
p->status=0;
p=p->next;
}
p=start;
stack[0]=0;
stack[top]=p->data;
p->status=1;
while(1)
{
if(stack[top]==0)
break;
p=start;
while(p!=NULL)
{
if(p->data==stack[top])
break;
p=p->next;
}
cout<<stack[top]<<" ";
top--;
k=p->adj;
while(k!=NULL)
{
q=k->next;
if(q->status==0)
{
top++;
stack[top]=q->data;
q->status=1;
}
k=k->adj;
}
}
getch();
return;
}

Is This Answer Correct ?    22 Yes 12 No

Post New Answer

More Programming Languages AllOther Interview Questions

Bonjour, svp je veut voir comment envoyer un mail en java et comment changer le droit d'accé d'un fichier en java: de lecture en lecture/écriture et merci d'avance ;)

0 Answers  


what is apt_dump_score in datastage where it is useful

0 Answers   Accenture,


What is the meaning of client-server application. The purpose of Client-Server Application. with description.

0 Answers  


Please forward important interview and basic questions in VB6 on my email id: usneha_16@yahoo.co.in

0 Answers  


Busy waiting is a method whereas a taskwaits for a given event by continiously checking for an event to occur. What is the main problem with this approach

0 Answers  


One boy has to climb steps. He can climb 1 or 2 steps at a time. Write a function that will returns number of way a boy can climb the steps. Int WaytoSteps(int n) (eg:- suppose number of steps is n=4 ,the function will return 5 (one-one-one-one ,one-one-two, one-two-one-,two-one-one, two-two)

0 Answers   Persistent,


through which algorithm does the garbage collector works? how the garbage collector will understand that the object will going to be deleted?

0 Answers   Motorola,


What is the difference between CriteriaQuery and CreateQuery in Hibernate???? Thanks in advance!!!!!!

1 Answers   Accenture,


HOW TO BREAK THE FIREWALL?

0 Answers   ME,


is it possible to desable particular parameter of the normal orcle report based on some condition ?????? if yes,wht is the function for desabling a parameter...

0 Answers  


differenc between visual studio 2005,2008 & 2010?

2 Answers  


WHAT IS NV RAM ?

3 Answers  


Categories