adding 2 nos without operator +, *, -

sol1:

using half adder

half adder adds two numbers a and b like

sum = a & b

carry = a^b

int add(int a, int b)

{

if(a == 0) return b;

return (add( (a&b)<<1, a^b) );

' }

sol2:

char *p;

p = (char*)a;
sum = (int)&p[b];

here compiler does the trick :)