C++ Programs Example List 1
//WAP
to input two numbers and perform arithmetic operation.
#include<stdio.h>
#include<conio.h>
#include<iostream.h>
int
main()
{
int a,b;
clrscr();
cout<<endl<<"Enter
the value of a:";
cin>>a;
cout<<endl<<"E`nter
the value of b:";
cin>>b;
cout<<"addition = "<<a+b<<endl;
cout<<"subtraction = "<<a-b<<endl;
cout<<"multiplication=
"<<a*b<<endl;
cout<<"division = "<<a/b<<endl;
cout<<"reminder = "<<a%b<<endl;
getch();
return 0;
}
//WAP
to input 3 numbers and find total and average.
#include<stdio.h>
#include<conio.h>
#include<iostream.h>
int
main()
{
int a,b,c,sum;
float avg;
clrscr();
cout<<"enter three
numbers:";
cin>>a>>b>>c;
sum=a+b+c;
avg=sum/3.0;
cout<<"sum of
"<<a<<", "<<b<<" and
"<<c " is "<<sum;
cout<<endl<<"average
is= "<<avg;
getch();
return 0;
}
//Write
a C++ program to find minimum from two numbers.
#include<stdio.h>
#include<conio.h>
#include<iostream.h>
int
main()
{
int a,b;
clrscr();
cout<<"enter the value of
a:";
cin>>a;
cout<<"enter the value of
b:";
cin>>b;
if(a<b)
{
cout<<"a is minimun:";
}
else
{
cout<<"b is
minimun;";
}
getch();
return 0;
}
//Write
a C++ program to print day using switch case.
#include<stdio.h>
#include<conio.h>
#include<iostream.h>
int
main()
{
int d;
clrscr();
cout<<"enter the day
number(0-7):";
cin>>d;
switch(d)
{
case 1: cout<<"sunday"; break;
case 2: cout<<"monday"; break;
case 3: cout<<"tuesday"; break;
case 4: cout<<"wednesday"; break;
case 5: cout<<"thursday"; break;
case 6: cout<<"friday"; break;
case 7: cout<<"saturday"; break;
default:
cout<<"invalid day/no";
}
getch();
return 0;
}
//
WAP of function overloading to overload area() function.
#include<stdio.h>
#include<conio.h>
#include<iostream.h>
float
area(float r);
float
area(float b, float h);
int
main()
{
float r,b,h;
clrscr();
cout<<"enter radius of circle:";
cin>>r;
cout<<endl<<"area of
circle:"<<area(r);
cout<<"\n\n enter base and
height of triangle:";
cin>>b>>h;
cout<<"\n area of
triangle:"<<area(b,h);
getch();
return 0;
}
float
area(float r)
{
return (3.14*r*r);
}
float
area(float b,float h)
{
return (0.5*b*h);
}
//WAP
to create a class Employee(id, name, salary). Get and Display Employee data
using member function.
#include<stdio.h>
#include<conio.h>
#include<iostream.h>
class
employee
{
int id;
char name[10];
float salary;
public:
//member function declare
inside class
void getdata()
{
cout<<endl<<"enter
the id:";
cin>>id;
cout<<endl<<"enter
the name:";
cin>>name;
cout<<endl<<"enter
the salary:";
cin>>salary;
}
void display();
};
//member
function declare outside class
void
employee::display()
{
cout<<endl<<"employee
details......:";
cout<<endl<<"employee
id="<<id;
cout<<endl<<"employee
name="<<name;
cout<<endl<<"employee
salary="<<salary;
}
int
main()
{
employee e1;
clrscr();
e1.getdata();
e1.display();
getch();
return 0;
}
//
WAP to create class Book(id, name, price). Get and display details of 5 books using
array of objects.
#include<stdio.h>
#include<conio.h>
#include<iostream.h>
class
Book
{
int id;
char name[10];
float price;
public:
void input()
{
cout<<"enter book
id:";
cin>>id;
cout<<"enter book
name:";
cin>>name;
cout<<"enter book
price:";
cin>>price;
}
void dispdata()
{
cout<<id<<"\t";
cout<<name<<"\t";
cout<<price<<endl;
}
};
int
main()
{
clrscr();
Book b[5];
for(int i=0;i<5;i++)
b[i].input();
cout<<"\nBook
Information:\n\n";
cout<<endl<<" id \t
title \t\t price"<<endl;
for(i=0;i<5;i++)
b[i].dispdata();
getch();
return 0;
}
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