solution

#include<iostream.h>
#include<conio.h>

int main ()
{
 char ch;
 cout<<"Enter any character:";
 cin>>ch;

 if (ch>=65 && ch<=90)
  cout<<"Character is a capital letter";
 else if (ch>=97 && ch<=122)
  cout<<"Character is a small letter";
 else if (ch>=48 && ch<=57)
  cout<<"Character is a digit";
 else if ((ch>0 && ch<=47)||(ch>=58 && ch<=64)||
                (ch>=91 && ch<=96)||(ch>=123 && ch<=127))
  cout<<"Character is a special symbol";
 
 getch();
 return 0;
}