| Other C Code Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| Program to Delete an element from a doubly linked list.
| Infosys | 4 |
| main()
{
float i=1.5;
switch(i)
{
case 1: printf("1");
case 2: printf("2");
default : printf("0");
}
} | | 1 |
| What are segment and offset addresses? | Infosys | 1 |
| How do you sort a Linked List (singly connected) in O(n)
please mail to pawan.10k@gmail.com if u can find an
anser...i m desperate to knw... | Oracle | 3 |
| #define clrscr() 100
main()
{
clrscr();
printf("%d\n",clrscr());
} | | 1 |
| main()
{
int i =10, j = 20;
clrscr();
printf("%d, %d, ", j-- , --i);
printf("%d, %d ", j++ , ++i);
}
a. 20, 10, 20, 10
b. 20, 9, 20, 10
c. 20, 9, 19, 10
d. 19, 9, 20, 10 | HCL | 1 |
| char *someFun1()
{
char temp[ ] = “string";
return temp;
}
char *someFun2()
{
char temp[ ] = {‘s’, ‘t’,’r’,’i’,’n’,’g’};
return temp;
}
int main()
{
puts(someFun1());
puts(someFun2());
} | | 1 |
| main()
{
char *p = “ayqm”;
char c;
c = ++*p++;
printf(“%c”,c);
} | | 1 |
| 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 |
| #define max 5
#define int arr1[max]
main()
{
typedef char arr2[max];
arr1 list={0,1,2,3,4};
arr2 name="name";
printf("%d %s",list[0],name);
} | | 1 |
| There were 10 records stored in “somefile.dat” but the
following program printed 11 names. What went wrong?
void main()
{
struct student
{
char name[30], rollno[6];
}stud;
FILE *fp = fopen(“somefile.dat”,”r”);
while(!feof(fp))
{
fread(&stud, sizeof(stud), 1 , fp);
puts(stud.name);
}
} | | 1 |
| how to return a multiple value from a function? | Wipro | 5 |
| void main()
{
while(1){
if(printf("%d",printf("%d")))
break;
else
continue;
}
} | | 1 |
| main()
{
int i = 100;
clrscr();
printf("%d", sizeof(sizeof(i)));
}
a. 2
b. 100
c. 4
d. none of the above | HCL | 2 |
| What is the output for the program given below
typedef enum errorType{warning, error,
exception,}error;
main()
{
error g1;
g1=1;
printf("%d",g1);
} | | 1 |
| main()
{
int i = 258;
int *iPtr = &i;
printf("%d %d", *((char*)iPtr), *((char*)iPtr+1) );
} | | 1 |
| void main()
{
char far *farther,*farthest;
printf("%d..%d",sizeof(farther),sizeof(farthest));
} | | 1 |
| main()
{
char name[10],s[12];
scanf(" \"%[^\"]\"",s);
}
How scanf will execute? | | 1 |
| How to read a directory in a C program?
| | 4 |
| Given an array of characters which form a sentence of words,
give an efficient algorithm to reverse the order of the words
(not characters) in it. | Wipro | 2 |
| |
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