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C Aptitude Question : Macro
posted Oct 5, 2009, 11:38 AM by Thiyagaraaj M [ updated Nov 1, 2009, 10:08 AM ]
C Aptitue Question : Macro
Question
What is the output of the program?
#defineABC 20
#define XYZ 10
#define XXX ABC - XYZ
void main()
{
int a;
a = XXX * 10;
printf("%d\n", a);
}
Solution:
a = xxx * 10
which is => a = ABC - XYZ * 10
=> a = 20 - 10 * 10
=> a = 20 - 100
=> a = -80
Question
What is the output of the program?
#defineABC 20
#define XYZ 10
#define XXX ABC - XYZ
void main()
{
int a;
a = XXX * 10;
printf("%d\n", a);
}
Solution:
a = xxx * 10
which is => a = ABC - XYZ * 10
=> a = 20 - 10 * 10
=> a = 20 - 100
=> a = -80
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