PROGRAM TO CONVERT LOWERCASE LETTER TO UPPERCASE

DESCRIPTION-:THIS PROGRAM CONVERT A LOWERCASE LETTER INTO
UPPERCASE LETTER.
FOR EXAMPLE-: IF WE ENTER INPUT LOWERCASE  LETTER AS------------
                                            r
THEN IT GENERATES OUTPUT AS-----------
                      THE UPPERCASE EQUIVALENT=R

PROGRAM-:
#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
char ch;
cout<<"enter the lowercase character"<<"\n";
cin>>ch;
char ch2=(ch>='a'&&ch<='z')?('A'+ch-'a'):ch;
cout<<"uppercase equivalent is   "<<ch2;
getch();
}