puzzle in C

PUZZLE IN C!!!!!

write a C/C++ program to say whether a one number is equal to another or not without using RELATIONAL OPERATORS and ARTHMETIC OPERATORS????????

 

That's simple.

A [XOR] B = 0 if A == B
A [XOR] B != 0 if A != B

Code:

if(A^B) {printf("%d != %d\n",A,B);}
else      {printf("%d == %d\n",A,B);}

 

ya... you are right..... good keep it up!!!!!!