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Frequently Asked c interview questions and answers for freshers Page 8

(#M40037091) C QUESTION C-PROGRAMING Keep an EYE

Find the output for the following C program
fn f(x)
{ if(x<=0)
return;
else f(x-1)+x;
}

Asked In C gowtham (11 years ago)

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(#M40029341) C QUESTION C Keep an EYE

Q. What will be printed as the result of the operation below:
main()
{
int a=0;
if(a==0)
printf(“Cisco Systemsn”);
printf(“Cisco Systemsn”);
}

Asked In C MAN (12 years ago)

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(#M40018736) C QUESTION C- QUESTIONS Keep an EYE

Point out the error if any in the following program (Turbo C).
#include
#include
void display(int num, ...);

int main()
{
display(4, 'A', 'a', 'b', 'c');
return 0;
}
void display(int num, ...)
{
char c; int j;
va_list ptr;
va_start(ptr, num);
for(j=1; j<=num; j++)
{
c = va_arg(ptr, char);
printf("%c", c);
}
}
Options
1) Error: unknown variable ptr
2) Error: Lvalue required for parameter
3) No error and print A a b c
4) No error and print 4 A a b c

Asked In C (12 years ago)

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(#M40156460) C QUESTION series Keep an EYE

write a logic for following series 2,6,15,35,143,221,323,437,..........

Asked In C bharat kumar (9 years ago)

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(#M40029240) C QUESTION C Keep an EYE

output?
#define square(x) x*x
main()
{i
nt i;
i = 64/square(4);
printf("%d",i);
}

Answer: 64

Explanation: the macro call square(4) will substituted by 4*4 so the expression becomes i = 64/4*4 . Since / and * has equal priority the expression will be evaluated as (64/4)*4 i.e. 16*4 = 64

Asked In C MAN (12 years ago)

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(#M40155444) C QUESTION Palindrom or not Keep an EYE

A no is palindrome if it equal to the no formed by reversing its decimal reapesent no.
Input you need to fill in a function which takes two
Input: Input1-length of array,
1<=input1<=100 input2-an array of +ve integer
output: set output1[i], 0<=i=<:input1, to "Palindrome" otherwise set it to "not"
eg: input: 2{101,12}
output:{Palindrome, Not}

Asked In C malini roy choudhury (9 years ago)

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(#M40155468) C QUESTION Type casting in C Keep an EYE

What is the output and why?
#include
int main(){
int i=(char)65;
printf("%d %c %f %d",i,i,i,i);
return 0;
}

Asked In C Naresh Babu (9 years ago)

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(#M40152549) C QUESTION Keep an EYE

sort the elements of an array without using any another array how to make this program

Asked In C shalini tiwari (10 years ago)

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(#M40018777) C QUESTION C- QUESTIONS Keep an EYE

Does there exist any other function which can be used to
convert an integer or a float to a string?

Asked In C (12 years ago)

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(#M40018713) C QUESTION C- QUESTIONS Keep an EYE

The keyword used to transfer control from a function back to the calling function is

Options
1) switch
2) goto
3) go back
4) return

Asked In C (12 years ago)

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