May 7, 2013

C++ program to find greatest of three numbers

c++ program to find greatest of three numbers

#include<iostream.h>
#include<conio.h>
void main()
{
int a, b, c;
clrscr();
cout<<"ENTER NUMBER1 : ";
cin>>a;
cout<<"ENTER NUMBER2 : ";
cin>>b;
cout<<"ENTER NUMBER3 : ";
cin>>c;
if(a>b && a>c && b>c)
{
cout<<a<<" IS GREATEST."<<endl;
cout<<b<<" IS SECOND GREATEST."<<endl;
cout<<c<<" IS LEAST.";
}
else if(a>b && a>c && c>b)
{
cout<<a<<" IS GREATEST."<<endl;
cout<<c<<" IS SECOND GREATEST."<<endl;
cout<<b<<" IS LEAST.";
}
else if(b>a && b>c && a>c)
{
cout<<b<<" IS GREATEST."<<endl;
cout<<a<<" IS SECOND GREATEST."<<endl;
cout<<c<<" IS LEAST.";
}
else if(a>b && a>c && c>a)
{
cout<<b<<" IS GREATEST."<<endl;
cout<<c<<" IS SECOND GREATEST."<<endl;
cout<<a<<" IS LEAST.";
}
else if(c>a && c>b && b>a)
{
cout<<c<<" IS GREATEST."<<endl;
cout<<b<<" IS SECOND GREATEST."<<endl;
cout<<a<<" IS LEAST.";
}
else if(c>a && c>b && a>b)
{
cout<<c<<" IS GREATEST."<<endl;
cout<<a<<" IS SECOND GREATEST."<<endl;
cout<<b<<" IS LEAST.";
}
else
cout<<"INVALID INPUT.";
getch();
}

OUTPUT

ENTER NUMBER1 : 12
ENTER NUMBER2 : 23
ENTER NUMBER3 : 34
34 IS GREATEST.
23 IS SECOND GREATEST.
12 IS LEAST.
ENTER NUMBER1 : 12
ENTER NUMBER2 : 9
ENTER NUMBER3 : 23
23 IS GREATEST.
12 IS SECOND GREATEST.
9 IS LEAST.
ENTER NUMBER1 : 45
ENTER NUMBER2 : 34
ENTER NUMBER3 : 32
45 IS GREATEST.
34 IS SECOND GREATEST.
32 IS LEAST.

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