| Other C Code Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| Find your day from your DOB? | Microsoft | 12 |
| void main()
{
int *mptr, *cptr;
mptr = (int*)malloc(sizeof(int));
printf(%d,*mptr);
int *cptr = (int*)calloc(sizeof(int),1);
printf(%d,*cptr);
} | | 1 |
| void main()
{
int i=10, j=2;
int *ip= &i, *jp = &j;
int k = *ip/*jp;
printf(%d,k);
} | | 1 |
| Write a routine to draw a circle (x ** 2 + y ** 2 = r ** 2)
without making use of any floating point computations at all. | Microsoft | 2 |
| main()
{
printf("%x",-1<<4);
} | | 1 |
| main()
{
char str1[] = {s,o,m,e};
char str2[] = {s,o,m,e,\0};
while (strcmp(str1,str2))
printf(Strings are not equal\n);
} | | 1 |
| const int perplexed = 2;
#define perplexed 3
main()
{
#ifdef perplexed
#undef perplexed
#define perplexed 4
#endif
printf("%d",perplexed);
}
a. 0
b. 2
c. 4
d. none of the above | HCL | 1 |
| How do you write a program which produces its own source
code as its output?
| | 7 |
| struct point
{
int x;
int y;
};
struct point origin,*pp;
main()
{
pp=&origin;
printf("origin is(%d%d)\n",(*pp).x,(*pp).y);
printf("origin is (%d%d)\n",pp->x,pp->y);
} | | 1 |
| Finding a number which was log of base 2 | NetApp | 1 |
| main()
{
int i;
float *pf;
pf = (float *)&i;
*pf = 100.00;
printf("\n %d", i);
}
a. Runtime error.
b. 100
c. Some Integer not 100
d. None of the above | HCL | 1 |
| main()
{
char not;
not=!2;
printf("%d",not);
} | | 1 |
| main()
{
if ((1||0) && (0||1))
{
printf("OK I am done.");
}
else
{
printf("OK I am gone.");
}
}
a. OK I am done
b. OK I am gone
c. compile error
d. none of the above | HCL | 1 |
| int i;
main(){
int t;
for ( t=4;scanf("%d",&i)-t;printf("%d\n",i))
printf("%d--",t--);
}
// If the inputs are 0,1,2,3 find the o/p | | 1 |
| main()
{
int i=10,j=20;
j = i, j?(i,j)?i:j:j;
printf("%d %d",i,j);
} | | 1 |
| int aaa() {printf(Hi);}
int bbb(){printf(hello);}
iny ccc(){printf(bye);}
main()
{
int ( * ptr[3]) ();
ptr[0] = aaa;
ptr[1] = bbb;
ptr[2] =ccc;
ptr[2]();
} | | 1 |
| Print an integer using only putchar. Try doing it without
using extra storage. | | 1 |
| Write out a function that prints out all the permutations of
a string.
For example, abc would give you abc, acb, bac, bca, cab,
cba. You can assume that all the characters will be unique. | Microsoft | 4 |
| What is the output for the following program
main()
{
int arr2D[3][3];
printf("%d\n", ((arr2D==* arr2D)&&(* arr2D ==
arr2D[0])) );
} | | 1 |
| program to find the roots of a quadratic equation | HP | 3 |
| |
| For more C Code Interview Questions Click Here |
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