| Other C Code Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| Is the following code legal?
typedef struct a
{
int x;
aType *b;
}aType | | 1 |
| void main()
{
int *mptr, *cptr;
mptr = (int*)malloc(sizeof(int));
printf(“%d”,*mptr);
int *cptr = (int*)calloc(sizeof(int),1);
printf(“%d”,*cptr);
} | | 1 |
| main()
{
char * strA;
char * strB = I am OK;
memcpy( strA, strB, 6);
}
a. Runtime error.
b. I am OK
c. Compile error
d. I am O | HCL | 2 |
| void main()
{
if(~0 == (unsigned int)-1)
printf(“You can answer this if you know how values are
represented in memory”);
} | | 1 |
| #include<stdio.h>
main()
{
int a[2][2][2] = { {10,2,3,4}, {5,6,7,8} };
int *p,*q;
p=&a[2][2][2];
*q=***a;
printf("%d..%d",*p,*q);
} | | 1 |
| main()
{
static int a[3][3]={1,2,3,4,5,6,7,8,9};
int i,j;
static *p[]={a,a+1,a+2};
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
printf("%d\t%d\t%d\t%d\n",*(*(p+i)+j),
*(*(j+p)+i),*(*(i+p)+j),*(*(p+j)+i));
}
} | | 1 |
| Declare an array of N pointers to functions returning
pointers to functions returning pointers to characters? | | 1 |
| program to find magic aquare using array | HCL | 3 |
| Printf can be implemented by using __________ list. | | 1 |
| write a program to count the number the same
(letter/character foreg: 's') in a given sentence. | | 1 |
| How to reverse a String without using C functions ? | Wipro | 14 |
| #define int char
main()
{
int i=65;
printf("sizeof(i)=%d",sizeof(i));
} | | 1 |
| Write a function to find the depth of a binary tree. | Adobe | 8 |
| Given an array of size N in which every number is between 1
and N, determine if there are any duplicates in it. You are
allowed to destroy the array if you like. | Microsoft | 15 |
| main()
{
int i=5;
printf("%d%d%d%d%d%d",i++,i--,++i,--i,i);
} | | 1 |
| void main()
{
int i=10, j=2;
int *ip= &i, *jp = &j;
int k = *ip/*jp;
printf(“%d”,k);
} | | 1 |
| main()
{
int i = 100;
clrscr();
printf("%d", sizeof(sizeof(i)));
}
a. 2
b. 100
c. 4
d. none of the above | HCL | 2 |
| #include <stdio.h>
main()
{
char * str = "hello";
char * ptr = str;
char least = 127;
while (*ptr++)
least = (*ptr<least ) ?*ptr :least;
printf("%d",least);
} | | 1 |
| #if something == 0
int some=0;
#endif
main()
{
int thing = 0;
printf("%d %d\n", some ,thing);
} | | 1 |
| Finding a number multiplication of 8 with out using
arithmetic operator | NetApp | 8 |
| |
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