C++ reverse inputted digits including negative for ex...-7564(4657, without negative sign)?

program works for positive numbers but not for negative numbers.....can someone help me improve it


# include %26lt;iostream%26gt;


# include %26lt;conio.h%26gt;


using namespace std;


void main ()


{int a;


cout%26lt;%26lt;"Enter the number: " ;


cin%26gt;%26gt;a;


while(a!=0)


{ cout%26lt;%26lt;a%10;


a=a/10;


} getch();


}

C++ reverse inputted digits including negative for ex...-7564(4657, without negative sign)?
after cin%26gt;%26gt;a;


add these lines


a=a*a;


a=sqrt(a);


and add the header %26lt;math.h%26gt;
Reply:after cin%26gt;%26gt;a; add 'if(a%26lt;0) a=a*-1;'.


was this some kind of hmework? sounds too easy for a homework either..