Interview Questions Answers in C

jessu srikanth

{ City } hyd
< Country > india
* Profession * student
User No # 11168

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Answers / { jessu srikanth }

Question { Infosys, 17687 }

who did come first hen or agg

Answer

egg, why because according to alphabetical order e comes
first always.

Is This Answer Correct ?

12 Yes

3 No

Question { 6957 }

44.what is the difference between strcpy() and memcpy()
function?
45.what is output of the following statetment?
46.Printf(“%x”, -1<<4); ?
47.will the program compile?
int i;
scanf(“%d”,i);
printf(“%d”,i);
48.write a string copy function routine?
49.swap two integer variables without using a third
temporary variable?
50.how do you redirect stdout value from a program to a file?
51.write a program that finds the factorial of a number
using recursion?

Answer

51.factorial of a number using recursion

long factorial(long n){
return (n==0 || n==1)?1:n*n-1;
}

Is This Answer Correct ?

0 Yes

2 No

Question { 6957 }

Answer

sorry... I made a mistake in the previous 51.answer
i am very sorry...

the solution for recursion is...

long factorial(long n){
return (n==0 || n==1)?1:n * factorial(n-1);
}

Is This Answer Correct ?

3 Yes

0 No

Question { Motorola, 44518 }

Function to find the given number is a power of 2 or not?

Answer

int isPowerOf2(unsigned int n)
{
float r=n;
while(r>1) r/=2.0;
return (r==1)?1:0; /* 1-> TRUE; 0-> FALSE*/
}

Is This Answer Correct ?

9 Yes

12 No