C | Macro & Preprocessor | Question 15
What is the output for the following code snippet?
#include<stdio.h>
#define A -B
#define B -C
#define C 5
int main()
{
printf ( "The value of A is %d\n" , A);
return 0;
}
|
This question is contributed by Aastha Anand.
(A) The value of A is 4
(B) The value of A is 5
(C) Compilation Error
(D) Runtime Error
Answer: (B)
Explanation: Value of A is replaced by -B, the value of B is replaced by -C which becomes -(-C) then the value of C is replaced by 5 which results to -(-5) which is equivalent to 5. So A is replaced by 5.
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Last Updated :
05 Nov, 2020
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