| Other C Code Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| main()
{
if (!(1&&0))
{
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 |
| void main()
{
printf(“sizeof (void *) = %d \n“, sizeof( void *));
printf(“sizeof (int *) = %d \n”, sizeof(int *));
printf(“sizeof (double *) = %d \n”, sizeof(double *));
printf(“sizeof(struct unknown *) = %d \n”, sizeof(struct
unknown *));
} | | 1 |
| 1. const char *a;
2. char* const a;
3. char const *a;
-Differentiate the above declarations. | | 2 |
| How to reverse a String without using C functions ? | Wipro | 14 |
| typedef struct error{int warning, error, exception;}error;
main()
{
error g1;
g1.error =1;
printf("%d",g1.error);
} | | 1 |
| main()
{
int c[ ]={2.8,3.4,4,6.7,5};
int j,*p=c,*q=c;
for(j=0;j<5;j++) {
printf(" %d ",*c);
++q; }
for(j=0;j<5;j++){
printf(" %d ",*p);
++p; }
} | | 1 |
| How to read a directory in a C program?
| | 4 |
| main()
{
char *p;
p="%d\n";
p++;
p++;
printf(p-2,300);
} | | 1 |
| void pascal f(int i,int j,int k)
{
printf(“%d %d %d”,i, j, k);
}
void cdecl f(int i,int j,int k)
{
printf(“%d %d %d”,i, j, k);
}
main()
{
int i=10;
f(i++,i++,i++);
printf(" %d\n",i);
i=10;
f(i++,i++,i++);
printf(" %d",i);
} | | 1 |
| Finding a number multiplication of 8 with out using
arithmetic operator | NetApp | 8 |
| How can u say that a given point is in a triangle?
1. with the co-ordinates of the 3 vertices specified.
2. with only the co-ordinates of the top vertex given. | | 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 |
| main()
{
int a=10,*j;
void *k;
j=k=&a;
j++;
k++;
printf("\n %u %u ",j,k);
} | | 1 |
| main()
{
clrscr();
}
clrscr(); | | 1 |
| Given a list of numbers ( fixed list) Now given any other
list, how can you efficiently find out if there is any
element in the second list that is an element of the
first list (fixed list) | Disney | 3 |
| Link list in reverse order. | NetApp | 7 |
| int swap(int *a,int *b)
{
*a=*a+*b;*b=*a-*b;*a=*a-*b;
}
main()
{
int x=10,y=20;
swap(&x,&y);
printf("x= %d y = %d\n",x,y);
} | | 1 |
| What are the following notations of defining functions known as?
i. int abc(int a,float b)
{
/* some code */
}
ii. int abc(a,b)
int a; float b;
{
/* some code*/
} | | 1 |
| String copy logic in one line. | NetApp | 9 |
| How will you print % character?
a. printf(“\%”)
b. printf(“\\%”)
c. printf(“%%”)
d. printf(“\%%”) | HCL | 1 |
| |
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