| Other C Code Interview Questions |
| | | Question | Asked @ | Answers | | | | 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 | | Given n nodes. Find the number of different structural
binary trees that can be formed using the nodes. | Aricent | 7 | | main()
{
int i =0;j=0;
if(i && j++)
printf("%d..%d",i++,j);
printf("%d..%d,i,j);
} | | 1 | | main()
{
char *p = "hello world";
p[0] = 'H';
printf("%s", p);
}
a. Runtime error.
b. “Hello world”
c. Compile error
d. “hello world” | HCL | 1 | | Give a one-line C expression to test whether a number is a
power of 2. | Microsoft | 8 | | struct aaa{
struct aaa *prev;
int i;
struct aaa *next;
};
main()
{
struct aaa abc,def,ghi,jkl;
int x=100;
abc.i=0;abc.prev=&jkl;
abc.next=&def;
def.i=1;def.prev=&abc;def.next=&ghi;
ghi.i=2;ghi.prev=&def;
ghi.next=&jkl;
jkl.i=3;jkl.prev=&ghi;jkl.next=&abc;
x=abc.next->next->prev->next->i;
printf("%d",x);
} | | 1 | | main()
{
char p[ ]="%d\n";
p[1] = 'c';
printf(p,65);
} | | 1 | | main()
{
int c=- -2;
printf("c=%d",c);
} | | 1 | | 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 | | What is the output for the following program
main()
{
int arr2D[3][3];
printf("%d\n", ((arr2D==* arr2D)&&(* arr2D ==
arr2D[0])) );
} | | 1 | | What are segment and offset addresses? | Infosys | 1 | | Declare an array of N pointers to functions returning
pointers to functions returning pointers to characters? | | 1 | | Is the following code legal?
struct a
{
int x;
struct a *b;
} | | 1 | | main ( )
{
static char *s[ ] = {“black”, “white”, “yellow”,
“violet”};
char **ptr[ ] = {s+3, s+2, s+1, s}, ***p;
p = ptr;
**++p;
printf(“%s”,*--*++p + 3);
} | | 1 | | #include<stdio.h>
main()
{
register i=5;
char j[]= "hello";
printf("%s %d",j,i);
} | | 1 | | main()
{
int i=5;
printf(“%d”,i=++i ==6);
} | | 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 | | main()
{
int x=5;
clrscr();
for(;x<= 0;x--)
{
printf("x=%d ", x--);
}
}
a. 5, 3, 1
b. 5, 2, 1,
c. 5, 3, 1, -1, 3
d. –3, -1, 1, 3, 5 | HCL | 1 | | main()
{
char *p="hai friends",*p1;
p1=p;
while(*p!='\0') ++*p++;
printf("%s %s",p,p1);
} | | 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 | | | | For more C Code Interview Questions Click Here |
|
along with your userid / name. ThanQ
Site Map
