Interview Questions Answers in C

biren

{ City } berhampur
< Country > india
* Profession * student
User No # 44345

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Total Answers Posted # 2

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Answers / { biren }

Question { Focus, 191647 }

write a program to swap Two numbers without using temp variable.

Answer

#include
void main()
{
int a=2,b=3;
printf("before swap the value is:::");
printf("a=%d\tb=%d",a,b);
b=a+b-(a=b);
printf("after swap the value is:::");
printf("a=%d\tb=%d",a,b);
}

Is This Answer Correct ?

3 Yes

4 No

Question { C DAC, 30817 }

void main()
{
static int i = 5;
if(--i)
{
main();
printf("%d
",i);
}
}

what would be output of the above program and justify your
answer?

}

Answer

we can't call a main function with in main.

Is This Answer Correct ?

7 Yes

32 No