C Macro & Preprocessor

Question 21

C

#include <stdio.h>
#if X == 3
    #define Y 3
#else
    #define Y 5
#endif

int main()
{
    printf(\"%d\", Y);
    return 0;
}

What is the output of the above program?

• 3
  

• 5
  

• 3 or 5 depending on value of X
  

• Compile time error