#define prod(a,b) a*b void main() { int x=3,y=4; printf("%d",prod(x+2,y-1)); } - Q4Interview" /> #define prod(a,b) a*b void main() { int x=3,y=4; printf("%d",prod(x+2,y-1)); } - Q4Interview" />
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C Programming :: C Preprocessor

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8. What will be output of the following "c" code?

#include
#define prod(a,b) a*b
void main()
{
int x=3,y=4;
printf("%d",prod(x+2,y-1));
}

Answer: Option A

Explanation :

The macro expands and evaluates to as:
x+2*y-1
=> x+(2*y)-1
=> 3+(2*4)-1 => 10

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