INDEX
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Sr.No
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Topic
|
Signature
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1.
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Program
for sorting list of array elements
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2.
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Program
for searching list of elements
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3.
|
Program
for call by reference
|
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4.
|
Program
for arithmetic operator overloading
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5.
|
Program
for postfix increment operator overloading
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6.
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Program
for function overloading
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7.
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Program
for constructor with explicit call and implicit call
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8.
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Program
to implement class and object
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9.
|
Program
for polymorphism
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10.
|
Program
for copy constructor
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Programs of C++
//Program for sorting list of elements
#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int
a[40],n,i,j,k,temp,min,p;
cout<<"Enter
number of elements:";
cin>>n;
cout<<"Enter
the elements one by one:";
for(i=1;i<=n;i++)
{
cin>>a[i];
}
cout<<"list
of array is:\n";
for(i=1;i<=n;i++)
{
cout<<a[i]<<"\n";
}
for(k=1;k<=n-1;k++)
{
min=a[k];
p=k;
for(i=k+1;i<=n;i++)
{
if(min>a[i])
{
min=a[i];
p=i;
}
}
if(p!=k)
{
temp=a[k];
a[k]=a[p];
a[p]=temp;
}
}
cout<<"Sorted
array is:";
for(i=1;i<=n;i++)
{
cout<<"\n"<<a[i];
}
getch();
}
Output:
Enter number of
elements : 5
Enter the
elements one by one : 23
34
54
655
67
List of array
is:
23
34
54
655
67
Sorted array
is:
23
34
54
67
655
2.
//Program for searching list of array elements
#include<iostream.h>
#include<conio.h>
void main()
{
int
i,n,a[10],search,loc;
clrscr();
cout<<"Enter
number of elements:\n";
cin>>n;
cout<<"Enter
array elements:\n";
for(i=1;i<=n;i++)
{
cin>>a[i];
}
cout<<"Enter
the element to be searched:";
cin>>search;
i=1;
while(i<=n)
{
if(a[i]==search)
{
loc=i;
cout<<"Element is found at
position:"<<loc;
goto end;
}
else
{
i=i+1;
}
}
cout<<"Element not found";
end:
getch();
}
Output:
Enter number of
elements:
4
Enter array
elements:
3
4
76
7
Enter the
element to be searched:3
Element is
found at position:1
3.
//Program for call by reference
#include<iostream.h>
#include<conio.h>
void swap(int
&x, int &y);
void main()
{
int a,b;
clrscr();
cout<<"Enter
two values:\n" ;
cin>>a>>b;
cout<<"value
before exchange:";
cout<<"\nvalue
of A is:"<<a;
cout<<"\nvalue
of B is:"<<b;
swap(a,b);
cout<<"\nThe
exchanged value are:";
cout<<"\nvalue
of A is:"<<a;
cout<<"\nvalue
of B is:"<<b;
getch();
}
void swap(int
&x,int &y)
{
int temp;
temp=x;
x=y;
y=temp;
}
Output:
Enter two
values:
34
56
Value before
exchange:
Value of A is:
34
Value of B is:
56
The exchanged
value are:
Value of A is:
56
Value of B is:
34
4.
//Program for arithmetic operator overloading
#include<iostream.h>
#include<conio.h>
class sample
{
float a,b;
public:
sample() {};
sample(float x,
float y)
{
a=x;
b=y;
}
sample
operator+(sample);
void
display(void)
{
cout<<"a="<<a<<"\n";
cout<<"b="<<b<<"\n";
}
};
sample sample
:: operator+(sample c)
{
sample temp;
temp.a = a+c.a;
temp.b = b+c.b;
return(temp);
}
void main()
{
sample x,y,z;
x = sample(1.5
,4.5);
y = sample(6.25
,3.5);
clrscr();
z = x+y;
cout<<"first
object \n";
x.display();
cout<<"second
object\n";
y.display();
cout<<"sum
of objects\n";
z.display();
getch();
}
Output:
first object
a = 1.5
b = 4.5
second object
a = 6.25
b = 3.5
sum of objects
a = 7.75
b = 8
5.
//Program for postfix increment operator
#include<iostream.h>
#include<conio.h>
class complex
{
int real,img;
public:
complex(){};
complex(int
a,int b)
{
real=a;
img=b;
}
void display()
{
cout<<real<<"+"<<img<<"i\n";
}
complex
operator++(int);
};
complex complex::operator++(int
x)
{
real++;
img++;
return *this;
}
void main()
{
clrscr();
complex
c(5,10);
c++;
c.display();
c++;
c.display();
getch();
}
Output:
6+11i
7+12i
6.
//Program to function overloading
#include<iostream.h>
#include<conio.h>
void mul(int);
void
mul(int,int);
void main()
{
clrscr();
mul(10);
mul(10,20);
getch();
}
void mul(int a)
{
int i;
cout<<"table
of 10 is:\n";
for
(i=1;i<=10;i++)
{
cout<<i*a<<"\n";
}
}
void mul(int
a,int b)
{
int z;
z=a*b;
cout<<"multiplication
of 10 and 20 is:\n"<<z;
}
Output:
table of 10 is:
10
20
30
40
50
60
70
80
90
100
multiplication
of 10 and 20 is:
200
7.
//Program to implement class and object
#include<iostream.h>
#include<conio.h>
class sample
{
int a,b,c;
public:
void getdata()
{
cout<<"enter two numbers:";
cin>>a>>b;
}
void sum()
{
c=a+b;
}
void putdata()
{
cout<<"\na="<<a;
cout<<"\nb="<<b;
cout<<"\nc="<<c;
}
};
void main()
{
sample s1;
clrscr();
s1.getdata();
s1.sum();
s1.putdata();
getch();
}
Output:
Enter two
number:23
43
a=23
b=43
c=66
8.
//Program for copy constructor
#include<iostream.h>
#include<conio.h>
class sample
{
int a,b;
public:
sample()
{
a=0;
b=0;
}
sample(sample &i);
void display(void)
{
cout<<"a= "
<<a<<"b= "<<b<<"\n";
}
};
sample::sample(sample &i)
{
a=i.a;
b=i.b;
}
void main()
{
sample s1,s2(s1);
clrscr();
cout<<"First object\n";
s1.display();
cout<<"Second object\n";
s2.display();
cout<<"Third object\n" ;
sample s3=s2;
s3.display();
getch();
}
Output:
First object
a=0 b=0
Second object
a=0 b=0
Third object
a=0 b=0
9.
//Program for polymorphism
#include<iostream.h>
#include<conio.h>
class sample
{
int a;
public:
sample()
{
a=10;
}
virtual void display()
{
cout<<"a="<<a<<"\n";
}
};
class derived
:public sample
{
int b;
public:
derived()
{
b=20;
}
void display()
{
cout<<"b="<<b<<"\n";
}
};
void main()
{
sample s;
derived*ptr;
ptr=(derived*)&s;
clrscr();
ptr->display();
derived d;
ptr=&d;
ptr->display();
getch();
}
Output:
a=10
b=20
10.
//Program for constructor with implicit call and
explicit call
#include<iostream.h>
#include<conio.h>
class sample
{
int a,b;
public:
sample(int
i,int j);
void
display(void);
}
sample ::
sample(int i,int j)
{
a=i;
b=j;
}
void
sample::display()
{
cout<<"a="
<<a<<" b="<<b<<"\n";
}
void main()
{
sample c(5,10);
clrscr();
c.display();
sample d=sample(3,9);
d.display();
getch();
}
Output:
a=5 b=10
a=3 b=9
