C++ Program .Write a program to cheack whether given character is uppercase letter,lower case & digit.

#include<stdio.h>
#include<conio.h>
void main()
{
char ch;
clrscr();
printf("\n enter the character");
scanf("\n %c",&ch);
if(ch>=65 && ch<=97)
{
  printf("\n character is uppercase");
  }
  if(ch>=97 && ch<=122)
  {
  printf("\n character is lowercase");
  }
  if(ch>=48 && ch<=57)
  {
  printf("\n character is digit");
  }
getch();
}