DATA STRUCTURE PROGRAMS

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    1. a. Program for virtual function in C+

    +

    #include

    class Base

    {Public:

    Void display()

    {

    cout

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    {

    case 1: create(); break;

    case 2: deletion(); break;

    case 3: search(); break;

    case 4: insert(); break;

    case 5: display(); break;case 6: exit(0); break;

    default:

    coutb[i];

    }}

    void deletion()

    {

    cout>d;

    for(i=0;i

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    q=p;

    while(q->link!=NULL)

    q=q->link;

    t=new node;

    t->data=x;

    t->link=NULL;q->link=t;

    }

    coutdata=x;

    p->link=q;

    coutdata==x)

    {

    p=q->link;

    delete q;

    return;

    }

    r=q;

    while(q!=NULL)

    {

    if(q->data==x){

    r->link=q->link;

    delete q;

    return;

    }

    r=q;

    q=q->link;

    }

    cout

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    {

    node *q;

    q=p;

    if(q==NULL)

    {

    coutlink;

    temp->link=temp1;}

    temp=temp->link;

    }

    cout

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    cin>>p;

    l.insnext(v,p);

    break;

    default:

    cout

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    initial();

    if(avail==-1)

    {

    cout

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    int i;

    i=curs[list].next;

    curs[list].next=curs[i].next;

    curs[i].next=avail;

    avail=i;

    curs[avail].data=0;if(curs[list].next==-1)

    {

    curs[list].next=avail;

    avail=list;

    list=-1;

    }

    }

    void delend()

    {

    int i,prev;

    i=list;while(curs[i].next!=-1)

    {

    prev=i;

    i=curs[i].next;

    }

    curs[prev].next=-1;

    curs[i].next=avail;

    avail=i;

    curs[avail].data=0;

    if(curs[list].next==-1)

    {

    curs[list].next=avail;

    avail=list;

    list=-1;

    }

    }

    void delint()

    {

    int pos,i,count,prev;

    coutpos;//cout

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    if(avail==-1) cout

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    }

    return (0);

    }

    6. C++ Program to Stack ADTimplementation using linked list

    #include

    #include

    #include

    class node

    {

    public:

    class node *next;

    int data;

    };class stack : public node

    {

    node *head;

    int tos;

    public:

    stack()

    {

    tos=-1;

    }

    void push(int x){

    if (tos < 0 )

    {

    head =new node;

    head->next=NULL;

    head->data=x;

    tos ++;

    }

    else

    {

    node *temp,*temp1;

    temp=head;

    if(tos >= 4)

    {

    cout next;

    temp1=new node;temp->next=temp1;

    temp1->next=NULL;

    temp1->data=x;

    }

    }

    void display()

    {node *temp;

    temp=head;

    if (tos < 0)

    {

    cout > ch;

    switch(ch){

    9

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    case 1: cout ch;

    s1.push(ch);

    break;

    case 2: s1.pop();break;

    case 3: s1.display();break;

    case 4: exit(0);

    }

    }

    return (0);

    }

    7. C++ Program to Queue ADT

    implementation using array

    #include#include

    #include

    class queue

    {

    int queue1[5];

    int rear,front;

    public:

    queue()

    {

    rear=-1;

    front=-1;

    }

    void insert(int x)

    {

    if(rear > 4)

    {

    cout

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    int front,rare;

    public:

    queue()

    {

    front=-1;

    rare=-1;}

    void push(int x)

    {

    if (rare < 0 )

    {

    head =new node;

    head->next=NULL;

    head->data=x;

    rare ++;

    }else

    {

    node *temp,*temp1;

    temp=head;

    if(rare >= 4)

    {

    cout next;

    temp1=new node;

    temp->next=temp1;

    temp1->next=NULL;

    temp1->data=x;

    } }

    void display()

    {

    node *temp;

    temp=head;if (rare < 0)

    {

    cout

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    #include

    void insert(int,int );

    void delte(int);

    void display(int);

    int search(int);

    int search1(int,int);int tree[40],t=1,s,x,i;

    main()

    {

    clrscr();

    int ch,y;

    for(i=1;i> ch;

    switch(ch)

    {

    case 1:

    cout ch;

    insert(1,ch);

    break;

    case 2:

    cout x;

    y=search(1);

    if(y!=-1) delte(y);

    else cout

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    search(2*s);

    else if(tree[s]

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    if(minheap[k]

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    cin>>obj.a[i];

    obj.quick(obj.a,0,obj.n-1);

    cout