(1).
write an inline function to find out the average of two numbers.
#include<iostream.h>
#include<conio.h>
class avg
{
float
a,b;
public:
void
getdata()
{
cout<<"\n\t
enter a:-";
cin>>a;
cout<<"\n\t
enter b:-";
cin>>b;
}
inline
float putdata()
{
return
((a+b)/2);
}
};
Int main()
{
clrscr();
avg a1;
a1.getdata();
cout<<"\n\t
average="<<a1.putdata();
return 0;
}
(2). W.A.P. to read two matrix of size
m*n from the keyboard
and perform arithmetic operation like Addition,
Subtraction, multiplication and Division. Display the output in proper matrix
format.
#include<iostream.h>
#include<conio.h>
class matrix
{
int
row,col,**p,**p1,r,c;
public:
void
get()
{
cout<<"\n\t
enter row:-";
cin>>row;
cout<<"\n\t
enter column:-";
cin>>col;
}
void
mat();
void
put();
void
getdata()
{
cout<<"\n\t
enter row:-";
cin>>r;
cout<<"\n\t
enter column:-";
cin>>c;
}
void
mat1();
void
putdata();
void
add();
void
sub();
void
mul();
void
div();
};
void matrix :: mat()
{
int i,j;
p=new
int*[row];
for(i=0;i<row;i++)
{
p=new
int*[col];
}
for(i=0;i<row;i++)
{
for(j=0;j<col;j++)
{
cout<<"\n\t
enter data:-";
cin>>p[i][j];
}
}
}
void matrix :: put();
int i,j;
for(i=0;i<row;i++)
{
for(j=0;j<col;j++)
{
cout<<"
"<<p[i][j];
}
cout<<"\n";
}
}
void matrix :: mat1()
{
int i,j;
p1=new
int*[r];
for(i=0;i<r;i++)
{
p1=new
int*[c];
}
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
cout<<"\n\t
enter data:-";
cin>>p1[i][j];
}
}
}
void matrix :: putdata()
{
int i,j;
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
cout<<"
"<<p1[i][j];
}
cout<<"\n";
}
}
void matrix :: add()
{
int i,j;
if(row==r
&& col==c)
{
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
cout<<"
"<<p[i][j]+p1[i][j];
}
cout<<"\n";
}
}
}
void matrix :: sub()
{
int i,j;
if(row==r
&& col==c)
{
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
cout<<"
"<<p[i][j]-p1[i][j];
}
cout<<"\n";
}
}
}
void matrix :: mul()
{
int i,j;
if(row==r
&& col==c)
{
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
cout<<"
"<<p[i][j]*p1[i][j];
}
cout<<"\n";
}
}
}void matrix :: div()
{
int i,j;
if(row==r
&& col==c)
{
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
cout<<"
"<<p[i][j]/p1[i][j];
}
cout<<"\n";
}
}
};
Int main()
{
clrscr();
matrix
m;
cout<<"\n\t
matrix 1...\n";
m.get();
m.mat();
m.put();
cout<<"\n\t
matrix 2...\n";
m.getdata();
m.mat1();
m.putdata();
cout<<"\n\t
addition....\n\n";
m.add();
cout<<"\n\t
subtraction...\n\n";
m.sub();
cout<<"\n\t
multiplication...\n\n";
m.mul();
cout<<"\n\t
division.....\n\n";
m.div();
return 0;
}
(3). W.A.P. to find area of rectangle,
triangle and square using the concept of function overloading.
#include<iostream.h>
#include<conio.h>
class area1
{
public:
float area(float a,float b);
int area(int l,int b,int h);
long area(long l);
};
float area1 :: area(float a,float b)
{
return
0.5*a*b;
}
int area1 ::area(int l,int b,int h)
{
return
l*b*h;
}
long area1 :: area(long l)
{
return
l*l;
};
Int main()
{
clrscr();
area1 a;
cout<<"\n\t
area of triangle="<<a.area(12.10,10.5);
cout<<"\n\t
area of rectangle="<<a.area(10,8,6);
cout<<"\n\t
area of square="<<a.area(14l);
return 0;
}
(4). W.A.P.
to sorting elements in ascending and descending order.
#include<iostream.h>
#include<conio.h>
class sort
{
int
i,j,a[100],no,temp;
public:
void
getdata()
{
cout<<"\n\t
enter no:-";
cin>>no;
for(i=0;i<no;i++)
{
cout<<"\n\t
a["<<i<<"]=";
cin>>a[i];
}
}
void
asce();
void
desc();
};
void sort :: asce()
{
cout<<"\n\t
ascending order.....\n";
for(i=0;i<no;i++)
{
for(j=0;j<=i;j++)
{
if(a[i]<a[j])
{
temp=a[i];
a[i]=a[j];
a[j]=temp;
}
}
}
for(i=0;i<no;i++)
{
cout<<"\n\t
"<<a[i];
}
}
void sort :: desc()
{
cout<<"\n\t
descending order.....\n";
for(i=0;i<no;i++)
{
for(j=0;j<=i;j++)
{
if(a[i]>a[j])
{
temp=a[i];
a[i]=a[j];
a[j]=temp;
}
}
}
for(i=0;i<no;i++)
{
cout<<"\n\t
"<<a[i];
}
};
Int main()
{
clrscr();
sort s;
s.getdata();
s.asce();
s.desc();
return
0;
}
(5). W.A.P. a program to find the Fibonacci
series for any no using class.
#include<iostream.h>
#include<conio.h>
class fibo
{
int
i,a,b,c,no;
public:
fibo()
{
a=1;
b=0;
c=1;
}
void
getdata();
void
putdata();
};
void fibo :: getdata()
{
cout<<"\n\t
enter no:-";
cin>>no;
}
void fibo :: putdata()
{
for(i=1;i<=no;i++)
{
cout<<"\n\t"<<c;
a=b;
b=c;
c=a+b;
}
};
Int main()
{
clrscr();
fibo f;
f.getdata();
f.putdata();
return 0;
}
(6). create two classes DM and DB which
store of the value of distances. DM
stores distance in feet and inches. W.A.P. that can add one object of DM with
another object of DB. use a friend to carry out the addition operation. the
object that stores the result may be a DM object or DB object,depending on the
units in which the result is required. the display should be in the format of
feet and inches or meters and centimeters. depending on the object of display.
#include<iostream.h>
#include<conio.h>
class db;
class dm
{
int
meter ,centem;
public:
void
getdm()
{
cout<<"\n\t
enter meter :";
cin>>meter;
cout<<"\n\t
enter centimeter:";
cin>>centem;
}
void
showdm()
{
cout<<"\n\t===distance
in meter and centimeter===:";
cout<<"\n\n\t
"<<meter<<" meter and "<<centem<<"
centimeter ";
}
friend void setdata(dm,db) ;
};
class db
{
int
feet,inch;
public:
void
getdb()
{
cout<<"\n\tenter
feet:";
cin>>feet;
cout<<"\n\t
enter inch:";
cin>>inch;
}
void
showdb()
{
cout<<"\n\t===distance
in feet and inches===:";
cout<<"\n\n\t
"<< feet <<" feet and "<< inch <<"
inches ";
}
friend
void setdata(dm,db);
};
void setdata(dm m ,db b)
{
int
cent;
cent=m.centem+(100*m.meter);
b.feet=cent/30;
b.inch=((cent%30)/2.5);
cout<<"\n\n\t"<< b.feet
<<" feet and "<< b.inch <<" inches";
};
int main()
{
clrscr();
dm d1;
db d2;
d1.getdm();
d2.getdb();
d1.showdm();
d2.showdb();
cout<<"\n\n\t====addition
of distance=====:";
setdata(d1,d2);
return 0;
}
(7). W.A.P to perform addition of two
values of different classes.
#include<iostream.h>
#include<conio.h>
class abc;
class xyz
{
int a;
public:
void getdata()
{
cout<<"\n\t
enter a:-";
cin>>a;
}
friend void add(xyz x1,abc a1);
};
class abc
{
int b;
public:
void getdata()
{
cout<<"\n\t enter a:-";
cin>>b;
}
friend void add(xyz x1,abc a1);
};
void add(xyz x1,abc a1)
{
int sum;
sum=x1.a+a1.b;
cout<<"\n\t sum="<<sum;
};
Int main()
{
clrscr();
xyz xx;
abc aa;
xx.getdata();
aa.getdata();
add(xx,aa);
return 0;
}
8). W.A.P which display the concept of
copy constructor and constructor overloading.
#include<iostream.h>
#include<conio.h>
class code
{
int
id,id1,id2;
public:
code(int
a)
{
id=a;
}
code(int
b,int c)
{
id1=b;
id2=c;
}
code(code
&x1,code &x2)
{
id=x2.id;
id1=x1.id1;
id2=x1.id2;
}
void
display()
{
cout<<"\n\t
id="<<id;
cout<<"\n\t
id1="<<id1;
cout<<"\n\t
id2="<<id2;
}
};
Int main()
{
clrscr();
code
A(100);
code
B(200,300);
code
D(B,A);
D.display();
return
0;
}
9). WAP display total marks and percentage of student using multilevel inheritance.
9). WAP display total marks and percentage of student using multilevel inheritance.
#include<iostream.h>
#include<conio.h>
class student
{
protected:
int
roll_no;
char
name[20];
public:
void
get()
{
cout<<"\n\t
enter roll no:-";
cin>>roll_no;
cout<<"\n\t
enter name:-";
cin>>name;
}
};
class test:public student
{
protected:
int
sub1,sub2,sub3,sub4,sub5,i;
float
p,total;
public:
void get_mark()
{
cout<<"\n\t
enter mark 1=";
cin>>sub1;
cout<<"\n\t
enter mark 2=";
cin>>sub2;
cout<<"\n\t
enter mark 3=";
cin>>sub3;
cout<<"\n\t
enter mark 4=";
cin>>sub4;
cout<<"\n\t
enter mark 5=";
cin>>sub5;
total=sub1+sub2+sub3+sub4+sub5;
p=total/5;
}
};
class result:public test
{
public:
void
display()
{
get();
get_mark();
}
float
final()
{
cout<<"\n\t roll no="<<roll_no;
cout<<"\n\t
name="<<name;
cout<<"\n\t
total="<<total;
cout<<"\n\t
per="<<p;
return
0;
}
};
int main()
{
clrscr();
result
r;
r.display();
r.final();
return 0;
}
10). W.A.P. to overload ++ operator
(prefix &postfix)and - (unary minus) operator.
#include<iostream.h>
#include<conio.h>
class overload
{
int a,b,c;
public:
void getdata()
{
cout<<"\n\t enter a=";
cin>>a;
cout<<"\n\t enter b=";
cin>>b;
cout<<"\n\t enter c=";
cin>>c;
}
void operator -()
{
a=-a;
b=-b;
c=-c;
}
void display()
{
cout<<"\n\t a="<<a;
cout<<"\n\t b="<<b;
cout<<"\n\t c="<<c;
}
friend overload operator ++(overload oo);
};
overload operator
++(overload oo)
{
overload oo1;
oo1.a=++oo.a;
oo1.b=++oo.b;
oo1.c=oo.c++;
return oo1;
};
Int main()
{
overload o1,o2;
o1.getdata();
o2=operator ++(o1);
cout<<"\n\t ++ operator is
overload...\n";
o2.display();
-o1;
cout<<"\n\t - operator is overload...\n";
o1.display();
return 0;
}
(11). W.A.P. to compare and concatenate
string using == and + operator
overloading.
#include<iostream.h>
#include<conio.h>
#include<string.h>
class string
{
char *p;
int len;
public:
string()
{
p=0;
len=0;
}
string(char
*s)
{
len=strlen(s);
p=new
char[len+1];
strcpy(p,s);
}
friend
string operator +(string &s,string &t);
friend
int operator ==(string &s,string &t);
friend
void show(string s);
};
string operator +(string &s,string &t)
{
string
te;
te.len=s.len+t.len;
te.p=new
char[te.len+1];
strcpy(te.p,s.p);
strcat(te.p,t.p);
return
te;
}
int operator ==(string &s,string &t)
{
int m,n;
m=strlen(s.p);
n=strlen(t.p);
if(m==n)
{
return
1;
}
else
{
return
0;
}
}
void show(string s)
{
cout<<"\n\t
string = "<<s.p;
};
Int main()
{
char *s;
clrscr();
cout<<"\n\t
enter first string=";
cin>>s;
string
s1(s);
cout<<"\n\t
enter second string=";
cin>>s;
string
s2(s);
string
s3;
s3=operator
+(s1,s2);
cout<<"\n\t
s1.....";
show(s1);
cout<<"\n\t
s2.....";
show(s2);
cout<<"\n\t
s3.....";
show(s3);
if(s1==s2)
{
cout<<"\n\t
both string is equal length..";
}
else
{
cout<<"\n\t
both string is not equal length..";
}
Return
0;
}
12). WAP to overloading += operator.
#include<iostream.h>
#include<conio.h>
class overload
{
int
a,b,c;
public:
overload(int
aa,int bb,int cc)
{
a=aa;
b=bb;
c=cc;
}
void
operator +=(overload oo)
{
a=a+=oo.a;
b=b+=oo.b;
c=c+=oo.c;
}
void
display()
{
cout<<"\n\t
a="<<a;
cout<<"\n\t
b="<<b;
cout<<"\n\t
c="<<c;
}
};
Int main()
{
int
aa,bb,cc;
clrscr();
cout<<"\n\t
enter a=";
cin>>aa;
cout<<"\n\t
enter b=";
cin>>bb;
cout<<"\n\t
enter c=";
cin>>cc;
overload
o1(aa,bb,cc);
o1.display();
overload
o2(2,2,2);
o2.operator+=(o1);
cout<<"\n\t
+= operator is overload...\n";
o2.display();
return 0;
}
13). W.A.P to create a class with at
least two data member and Overload
>> and << Operators.
#include<iostream.h>
#include<conio.h>
class abc
{
int
a[3];
public:
friend
istream & operator >>(istream &d,abc &b);
friend
ostream & operator <<(ostream &out,abc &b);
};
istream & operator >>(istream &d,abc
&b)
{
for(int i=0;i<3;i++)
{
cout<<"\n\t
enter m:-";
d>>b.a[i];
}
return d;
}
ostream & operator <<(ostream &out, abc
&b)
{
out<<"("<<b.a[0];
for(int
i=1;i<3;i++)
{
out<<","<<b.a[i];
}
out<<")";
return
out;
};
Int main()
{
clrscr();
abc m;
cin>>m;
cout<<"\n\t
m="<<m;
return
0;
}
14). WAP that consist of two classes time 12 and time 24. The first maintains a .
14). WAP that consist of two classes time 12 and time 24. The first maintains a .
Time In 12 hours basis. Where as
the other one maintains the time in 24
hours basis. Provide conversion function to carry out
conversion from
object of one type to Another.
#include<iostream.h>
#include<conio.h>
class time12;
class time24
{
int h;
public:
void
get_time()
{
cout<<"\n\t
enter h=";
cin>>h;
}
void
cal()
{
if(h<12)
{
h=h+12;
cout<<"\n\t
time="<<h<<"pm";
}
else
{
cout<<"\n\t
time="<<h<<"am";
}
}
};
class time12
{
int h1;
public:
void
get_time()
{
cout<<"\n\t
enter h=";
cin>>h1;
}
void
cal()
{
if(h1>12)
{
h1=h1-12;
cout<<"\n\t
time="<<h1<<"pm";
}
else
{
cout<<"\n\t
time="<<h1<<"am";
}
}
};
Int main()
{
clrscr();
time12
t;
time24
t1;
t.get_time();
t.cal();
t1.get_time();
t1.cal();
return 0;
}
16). Write a binary file contains
information of products pno, pname, qty, price. WAP to copy the contains of
this file to another file where qty>10.
#include<iostream.h>
#include<conio.h>
#include<fstream.h>
#include<iomanip.h>
int main()
{
int e_code[3]={1,2,3};
int
e_sal[3]={7000,5000 ,3000};
char
e_name[3][10]={"sagar","satish","sandip"};
ofstream fout;
fout.open("d:/binary");
fout.write((char
*) & e_code, sizeof(e_code));
fout.write((char
*) & e_name, sizeof(e_name));
fout.write((char
*) & e_sal, sizeof(e_sal));
fout.close();
ifstream fin;
fin.open("d:/binary");
fin.read((char *)
& e_code,sizeof(e_code));
fin.read((char *) & e_name,sizeof(e_name));
fin.read((char *)
& e_sal,sizeof(e_sal));
cout<<"*********************************************"<<endl;
for(int
i=0;i<3;i++)
{
cout<<setw(5)<<e_code[i];
cout<<setw(15)<<e_name[i];
cout<<setw(5)<<e_sal[i]<<endl;
}
cout<<"*********************************************"<<endl;
for(int
i=0;i<3;i++)
{
if(e_sal[i]>5000)
{
fout.open("d:/binary1");
fout.write((char *) & e_code,
sizeof(e_code));
fout.write((char *) & e_name,
sizeof(e_name));
fout.write((char *) & e_sal,
sizeof(e_sal));
}
}
cout<<"\n
fout.close();
fin.close();
getch();
return 0;
}
Comment Here