I m Confused totally .....

Question

#define sqr(x) x*x
int main()
{
printf("%d",sqr(3+1));
}

And the output is 7.....But,How 🤔

Answer 1

Yes, better define it with brackets to cover all cases:

#define sqr(x) ((x)*(x))

See this detailed description for more information:

https://code.sololearn.com/c80ech3GBNvc/?ref=app

Answer 2

Use printf("%d" , sqr((3+1)))
Or

#define sqr(x) (x)*(x)

Answer 3

Just coded it. This will be a clear example feel free to cheak.
https://code.sololearn.com/cpG705GY10iq/?ref=app

Answer 4

I m Confused totally .....

#define sqr(x) x*x
int main()
{
printf("%d",sqr(3+1));
}

And the output is 7.....But,How 🤔

Answer 5

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