| Other C Code Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| void main()
{
int *i = 0x400; // i points to the address 400
*i = 0; // set the value of memory location pointed by i;
} | | 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 |
| What are segment and offset addresses? | Infosys | 1 |
| main()
{
struct student
{
char name[30];
struct date dob;
}stud;
struct date
{
int day,month,year;
};
scanf("%s%d%d%d", stud.rollno, &student.dob.day,
&student.dob.month, &student.dob.year);
} | | 1 |
| void main()
{
static int i=i++, j=j++, k=k++;
printf(“i = %d j = %d k = %d”, i, j, k);
} | | 1 |
| main()
{
float me = 1.1;
double you = 1.1;
if(me==you)
printf("I love U");
else
printf("I hate U");
} | | 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 |
| void main()
{
unsigned giveit=-1;
int gotit;
printf("%u ",++giveit);
printf("%u \n",gotit=--giveit);
} | | 1 |
| main()
{
char s[ ]="man";
int i;
for(i=0;s[ i ];i++)
printf("\n%c%c%c%c",s[ i ],*(s+i),*(i+s),i[s]);
} | | 1 |
| #include<stdio.h>
main()
{
char s[]={'a','b','c','\n','c','\0'};
char *p,*str,*str1;
p=&s[3];
str=p;
str1=s;
printf("%d",++*p + ++*str1-32);
} | | 1 |
| Declare an array of N pointers to functions returning
pointers to functions returning pointers to characters? | | 1 |
| #define SQR(x) x * x
main()
{
printf("%d", 225/SQR(15));
}
a. 1
b. 225
c. 15
d. none of the above | HCL | 1 |
| main()
{
int i=400,j=300;
printf("%d..%d");
} | | 1 |
| struct Foo
{
char *pName;
char *pAddress;
};
main()
{
struct Foo *obj = malloc(sizeof(struct Foo));
clrscr();
obj->pName = malloc(100);
obj->pAddress = malloc(100);
strcpy(obj->pName,"Your Name");
strcpy(obj->pAddress, "Your Address");
free(obj);
printf("%s", obj->pName);
printf("%s", obj->pAddress);
}
a. Your Name, Your Address
b. Your Address, Your Address
c. Your Name Your Name
d. None of the above | HCL | 1 |
| String reverse with time complexity of n/2 with out using
temporary variable. | NetApp | 8 |
| #include <stdio.h>
main()
{
char * str = "hello";
char * ptr = str;
char least = 127;
while (*ptr++)
least = (*ptr<least ) ?*ptr :least;
printf("%d",least);
} | | 1 |
| main( )
{
char *q;
int j;
for (j=0; j<3; j++) scanf(“%s” ,(q+j));
for (j=0; j<3; j++) printf(“%c” ,*(q+j));
for (j=0; j<3; j++) printf(“%s” ,(q+j));
} | | 1 |
| main()
{
static int var = 5;
printf("%d ",var--);
if(var)
main();
} | | 1 |
| write a program to Insert in a sorted list | Microsoft | 4 |
| print a semicolon using Cprogram without using a semicolon
any where in the C code in ur program!!
| Tata-Elxsi | 19 |
| |
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