Programs to check whether a given character is uppercase or lowercase alphabate or a digit or a special character

#include<iostream.h>
#include<conio.h>
void main()
{      
clrscr();
char ch;
cout<<"\n Enter a character : ";
cin>>ch;

if(ch>=65 && ch<=90)
cout<<"\n You have enter a uppercase character";

else if(ch>=97&&ch<=122)
cout<<endl<<"You have enter a lowercase character";

else if(ch>=48 && ch<=57)
cout<<"\n You have enter a digit";

else
cout<<"\n You have enter a special character";
getch();
}

                                                        Output