WAP to understand destructure

#include<iostream.h>

#include<conio.h>

class con

  {

  int f0,f1,fbi;

  public:

con()

{

f0=0;

f1=1;

fbi=f0+f1;

}

~con()

{

cout<<"Data is deleted from memory";

}

void inc()

{

f0=f1;

f1=fbi;

fbi=f0+f1;

}

void dis()

{

cout<<fbi<<endl;

}

};

   void main()

   {

   con obj;

   int i;

   for(i=0;i<=5;i++)

   {

   obj.dis();

   obj.inc();

   getch();

   }

   }

WAP for destructor

#include<iostream.h>

#include<conio.h>

class Line{

  public:

void setlength(double len);

double getlength(void);

 Line();

~Line();

  private:

 double length;

};

Line::Line(void)

{

  cout<<"

Object is being crreted";

}

Line::~Line(void)

{

  cout<<"

Destructor is called";

}

void Line::setlength(double len)

{

  length=len;

}

double Line::getlength(void)

{

   return length;

}

void main(){

 Line l1;

 clrscr();

 l1.setlength(3.44);

 cout<<"

 Length of line : "<<l1.getlength();

 getch();

}

WAP for constructor overloading

#include<iostream.h>

#include<conio.h>

#include<string.h>

class emp

{

private:

char name[20];

int age;

float bs;

public:

void read()

{

cout<<"name,age,bs

";

cin>>age>>bs;

}

void write()

{

cout<<"name="<<name<<"age="<<age<<"basic salary="<<bs;

}

emp()

{

strcpy(name," ");

age=0;

bs=0;

}

emp(char *n,int a,float b)

{

strcpy(name,n);

age=a;

bs=b;

}

/*emp(char *n,int a=0,float b=0)

{

strcpy(name,n);

age=a;

bs=b;

} */

emp(emp &e)

{

strcpy(name,e.name);

age=e.age;

bs=e.bs;

}

};

void main()

{

emp e1,e2("Ashish",25,29000.99),e3(e2),e4("Gadpayle",22,7000.99);

clrscr();

e1.write();

e2.write();

e3.write();

e4.write();

getch();

}

WAP for constructor with arguments in base

# include <iostream.h>

# include <conio.h>

class base

{

  public:

  base(int x)

  {

    cout<<"X VALUE IS  "<<x<<endl;

    cout<<"INSIDE BASE CLASS CONSTRUCTOR "<<endl;

  }

  void display()

  {

    cout<<"INSIDE DISPLAY OF BASE"<<endl;

  }

};

class derived : public base

{

  public:

  derived(int x,int y) : base(x)

  {

    cout<<"Y VALUE IS   "<<y<<endl;

    cout<<"INSIDE DERIVED CLASS CONSTRUCTOR  "<<endl;

  }

  void print()

  {

    cout<<"INSIDE PRINT OF DERIVED"<<endl;

  }

};

void main()

{

  clrscr();

  derived d(10,20);

  d.display();

  d.print();

  getch();

}

WAP to understand the constructor

#include<iostream.h>

#include<conio.h>

class code

{

 public:

int id;

code()

{

id=0;

}

code (int a)

{

id=a;

}

code (code &x)

{

id=x.id;

}

void display()

{

cout<<"

 id="<<id;

}

};

void main()

{

       // int a;

       // cout<<"

 enter number :";

       // cin>>a;

code c;

c.display();

code d(50);

d.display();

code c1);

c1.display();

getch();

clrscr();

}

WAP for area using default constructor

#include<iostream.h>

#include<conio.h>

class Area{

  int len,bre;

  public:

Area(){

 len=5;

 bre=6;

}

void getlength(){

 cout<<"

Enter length and breadth ";

 cin>>len>>bre;

}

int areacal()

{

 return(len*bre);

}

void display(int temp)

{

 cout<<"

Area = "<<temp;

}

};

void main(){

  Area a1,a2;

  clrscr();

  int temp;

  cout<<"

For Default ";

  temp=a1.areacal();

  a1.display(temp);

  cout<<"

For Paramerised ";

  a2.getlength();

  temp=a2.areacal();

  a2.display(temp);

  getch();

}

WAP for default & parameterised constructor

#include<iostream.h>

#include<conio.h>

class Line{

  public:

Line(double len);

void setlength(double len);

double getlength(void);

  private:

 double length;

};

Line::Line(double len)

{

  length=len;

}

void Line::setlength(double len)

{

  length=len;

}

double Line::getlength(void)

{

   return length;

}

void main(){

 Line l1(6.3);

 clrscr();

 cout<<"

 Default : "<<l1.getlength();

 l1.setlength(3.44);

 cout<<"

 Paramerised : "<<l1.getlength();

 getch();

}

WAP for game constructo

#include<iostream.h>

#include<conio.h>

class Game{

  int goals;

  public:

Game(){

  goals=0;

}

int getgoals(){

return goals;

}

int incrementgoals()

{

 return goals++;

}

};

void main(){

  Game g;

  clrscr();

  cout<<"

No od goal when game is stared..       : "<<g.getgoals();

  g.incrementgoals();

  g.incrementgoals();

  cout<<"

No od goal when game is little later.. : "<<g.getgoals();

  getch();

  }

WAP for copy constructor

#include<iostream.h>

#include<conio.h>

class Game{

  int goals;

  public:

Game(){

  goals=0;

}

int getgoals(){

return goals;

}

int incrementgoals()

{

 return goals++;

}

};

void main(){

  Game g;

  clrscr();

  cout<<"

No od goal when game is stared..       : "<<g.getgoals();

  g.incrementgoals();

  g.incrementgoals();

  cout<<"

No od goal when game is little later.. : "<<g.getgoals();

  getch();

  }

WAP for bubble sort

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{

 int a[20],i,j,n,temp;

 cout<<"\n Enter size of array :";

 cin>>n;

 cout<<"\n Enter element of array  ";

 for(i=1;i<=n;i++)

 cin>>a[i];

for(i=1;i<=n-1;i++)

{

for(j=1;j<=n-i;j++)

{

  if(a[j]>a[j+1])

  {

  temp=a[j];

  a[j]=a[j+1];

  a[j+1]=temp;

  }

}

}

 cout<<"\n The sorted array are :";

 for(i=1;i<=n;i++)

 cout<<"    "<<a[i];

 getch();

 clrscr();

}

/* output

  

 Enter size of array    :6

 Enter element of array  12 45 32 14 10 26

 The sorted array are   :    10    12    14    26    32    45

WAP for binary search method

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{

 int a[15],i,n,lb,ub,mid,item;

 cout<<"\n Enter size of array :";

 cin>>n;

 cout<<"\n Enter sorted element for array  :";

 for(i=1;i<=n;i++)

 cin>>a[i];

 cout<<"\n Enter item which is to be search  :";

 cin>>item;

   lb=1;

   ub=n;

   mid=int((lb+ub)/2);

   while(a[mid]!=item && lb<=ub)

   {

    if(item<a[mid])

     ub=mid-1;

    else

     lb=mid+1;

    mid=int((lb+ub)/2);

   }

  if(a[mid]==item)

  {

  cout<<"\n search is successful ";

  cout<<"\n location is= "<<mid;

  }

  else

     cout<<"\n Search is unsuccessful ";

 getch();

 clrscr();

}

/* output

  

 Enter size of array    :5

 Enter sorted element for array  :11 22 33 44 55

 Enter item which is to be search  :44

 search is successful

 location is= 4   */

program to find largest two number

#include<iostream.h>

#include<conio.h>

void main()

{

 int a[22],fbig=0,sbig=0,i,n;

 cout<<"\n enter size :";

 cin>>n;

 cout<<"\n enter element :";

 for(i=1;i<=n;i++)

 cin>>a[i];

 fbig=a[1];

 for(i=2;i<=n;i++)

 {

if(fbig<a[i])

{

fbig=a[i];

}

 }

 sbig=a[2];

 for(i=3;i<=n-1;i++)

 {

if(sbig<a[i])

{

sbig=a[i];

}

 }

 cout<<"\nfirst largest :"<<fbig;

 cout<<"\n second largest :"<<sbig;

 getch();

 clrscr();

}

WAP for sum of elements in matrix

#include<iostream.h>

#include<conio.h>

void main()

{

 int a[5][5],n,m,i,j,small;

 int sum=0;

 cout<<"\n enter size of rows :";

 cin>>n;

 cout<<"\n enter size of collumns  :";

 cin>>m;

 cout<<"\n enter element of 2d array :";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cin>>a[i][j];

}

}

 cout<<"\n 2d array \n\n\n:";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cout<<"\t"<<a[i][j];

}

cout<<"\n";

}

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

sum=sum+a[i][j];

}

cout<<"\n";

}

cout<<"\n The sum of every element :"<<sum;

 getch();

 clrscr();

 }

WAP to find small no in matrix

#include<iostream.h>

#include<conio.h>

void main()

{

 int a[5][5],n,m,i,j,small;

 cout<<"\n enter size of rows :";

 cin>>n;

 cout<<"\n enter size of collumns  :";

 cin>>m;

 cout<<"\n enter element of 2d array :";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cin>>a[i][j];

}

}

 cout<<"\n 2d array \n\n\n:";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cout<<"\t"<<a[i][j];

}

cout<<"\n";

}

 small=a[1][1];

 for(i=2;i<=n;i++)

 {

for(j=1;j<=m;j++)

{

if(small>a[i][j])

{

small=a[i][j];

}

}

 }

 cout<<"\n The smallest element is "<<small;

 getch();

 clrscr();

}

WAP for linear search using while

#include<conio.h>

#include<iostream.h>

void main()

{

 int item,a[20],n,i,loc;

 cout<<"\n enter size of array :";

 cin>>n;

 cout<<"\n enter element of array :";

for(i=1;i<=n;i++)

cin>>a[i];

 cout<<"\n enter element which is to be search :";

 cin>>item;

a[n+1]=item;

loc=0;

while(a[loc]!=item)

{

loc++;

}

if(loc==n+1)

{

loc=0;

cout<<"\n ITEM is not found :";

}

else

cout<<"\n ITEM is found at location :"<<loc;

 getch();

 clrscr();

}

/* OUTPUT

  

 enter size of array    :6

 enter element of array :12 45 23 52 48 45

 enter element which is to be search    :23

 ITEM is found at location      :3

WAP for finding a location

#include<iostream.h>

#include<conio.h>

void main()

{

 int a[4][4],n,m,i,j,loc=0,key;

 cout<<"\n enter size of rows :";

 cin>>n;

 cout<<"\n enter size of collumns  :";

 cin>>m;

 cout<<"\n enter element of 2d array :";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cin>>a[i][j];

}

}

 cout<<"\n 2d array \n\n\n:";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cout<<"\t"<<a[i][j];

}

cout<<"\n";

}

cout<<"\n\n Enter element which location is to be search  :";

cin>>key;

for(i=1;i<=n;i++)

{

 for(j=1;j<=m;j++)

 {

   if(a[i][j]==key)

   {

    cout<<"\nelemt is present at "<< i << "row and "<<j<< "column";

    break;

   }

 }

}

getch();

clrscr();

 }

WAP to sort elements in ascending order

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{

 int a[10],i,j,n,temp,k,ptr;

 cout<<"\n Enter size of array :";

 cin>>n;

 cout<<"\n Enter element of array :";

 for(i=1;i<=n;i++)

 cin>>a[i];

for(i=2;i<=n;i++)

{

temp=a[i];

ptr=i-1;

 while(temp<a[ptr])

 {

  a[ptr+1]=a[ptr];

  ptr--;

 }

  a[ptr+1]=temp;

}

 cout<<"\n The sorted elements are :\n";

 for(i=1;i<=n;i++)

 cout<<"    "<<a[i];

 getch();

 clrscr();

}

/* OUTPUT

  

 Enter size of array    :7

 Enter element of array :15 23 10 22 48 75 12

 The sorted elements are        :

    10    12    15    22    23    48    75

WAP to insert element into array

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{

 int i,loc,n,new1,a[20];

 cout<<"\n enter size of array :";

 cin>>n;

 cout<<"\n enter element of array :";

for(i=1;i<=n;i++)

cin>>a[i];

 cout<<"\n enter element is to be insert :";

 cin>>new1;

 cout<<"\n enter location where element is insert :";

 cin>>loc;

i=n;

while(i>=loc)

{

a[i+1]=a[i];

i--;

}

 a[loc]=new1;

 n++;

 cout<<"\n The result is :";

for(i=1;i<=n;i++)

cout<<"    "<<a[i];

 getch();

 clrscr();

}

/* output

  

 enter size of array    :5

 enter element of array :11 62 45 78 12

 enter element is to be insert :33

 enter location where element is insert :3

 The result is  :    11    62    33    45    78    12

WAP to count the repeated location

#include<conio.h>

#include<iostream.h>

void main()

{

 int item,a[20],n,i,count=0,loc=0;

 cout<<"\n enter size of array :";

 cin>>n;

 cout<<"\n enter element of array :";

for(i=1;i<=n;i++)

cin>>a[i];

 cout<<"\n enter element which is to be search :";

 cin>>item;

 cout<<"\n The no of location is   :";

i=1;

while(i<=n)

{

if(a[i]==item)

{

count=count+1;

cout<<i<<",\t";

i++;

}

else

{

i++;

}

}

 if(a[i]==item)

 cout<<"\n Total no. of repeated given element :"<<count;

 else

 cout<<"\n element is found";

 getch();

 clrscr();

}

WAP for copy one array into anather array

#include<conio.h>

#include<iostream.h>

void main()

{

 int a[20],b[20],n,i;

 cout<<"\n enter size of array :";

 cin>>n;

 cout<<"\n enter element of array :";

for(i=1;i<=n;i++)

cin>>a[i];

for(i=1;i<=n;i++)

{

b[i]=a[i];

}

 cout<<"\n The copy of array is :";

 for(i=1;i<=n;i++)

 cout<<b[i];

 getch();

 clrscr();

}

WAP for addition of matrix.

#include<iostream.h>

#include<conio.h>

void main()

{

 int a[4][4],b[4][4],c[4][4],n,m,i,j;

 cout<<"\n enter size of rows :";

 cin>>n;

 cout<<"\n enter size of collumns  :";

 cin>>m;

 cout<<"\n enter element of 2d array :";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cin>>a[i][j];

}

}

 cout<<"\n first matrix \n\n\n:";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cout<<"\t"<<a[i][j];

}

cout<<"\n\n";

}

 cout<<"\n enter same size of rows :";

 cin>>n;

 cout<<"\n enter same size of collumns  :";

 cin>>m;

 cout<<"\n enter element of 2d array :";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cin>>b[i][j];

}

}

 cout<<"\n second matrix \n\n\n:";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cout<<"\t"<<b[i][j];

}

cout<<"\n\n";

}

for(i=1;i<=n;i++)

{

 for(j=1;j<=m;j++)

 {

  c[i][j]=a[i][j]+b[i][j];

 }

}

 cout<<"\n addition of matrix is \n\n\n:";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cout<<"\t"<<c[i][j];

}

cout<<"\n\n";

}

 getch();

 clrscr();

 }

WAP for multiplication of matrix

#include<iostream.h>

#include<conio.h>

void main()

{

 int a[2][2],b[2][2],c[2][2],n,m,i,j,k;

 cout<<"\n enter size of rows :";

 cin>>n;

 cout<<"\n enter size of collumns  :";

 cin>>m;

 cout<<"\n enter element of 2d array :";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cin>>a[i][j];

}

}

 cout<<"\n first matrix \n\n\n:";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cout<<"\t"<<a[i][j];

}

cout<<"\n\n";

}

 cout<<"\n enter same size of rows :";

 cin>>n;

 cout<<"\n enter same size of collumns  :";

 cin>>m;

 cout<<"\n enter element of 2d array :";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cin>>b[i][j];

}

}

 cout<<"\n second matrix \n\n\n:";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cout<<"\t"<<b[i][j];

}

cout<<"\n\n";

}

for(i=1;i<=n;i++)

{

 for(j=1;j<=m;j++)

 {

  c[i][j]=0;

  for(k=1;k<=n;k++)

  {

  c[i][j]=c[i][j]+a[i][k]*b[k][j];

  }

 }

}

 cout<<"\n multiplication of matrix is \n\n\n:";

for(i=1;i<=n;i++)

{

for(j=1;j<=m;j++)

{

cout<<"\t"<<c[i][j];

}

cout<<"\n\n";

}

 getch();

 clrscr();

 }