| Other C Code Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| main()
{
printf("\nab");
printf("\bsi");
printf("\rha");
} | | 1 |
| main()
{
char p[ ]="%d\n";
p[1] = 'c';
printf(p,65);
} | | 1 |
| main()
{
int i;
i = abc();
printf("%d",i);
}
abc()
{
_AX = 1000;
} | | 1 |
| main()
{
char *a = "Hello ";
char *b = "World";
clrscr();
printf("%s", strcpy(a,b));
}
a. “Hello”
b. “Hello World”
c. “HelloWorld”
d. None of the above | HCL | 1 |
| main()
{
struct date;
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 ()
{
int x = 10;
printf ("x = %d, y = %d", x,--x++);
}
a. 10, 10
b. 10, 9
c. 10, 11
d. none of the above | HCL | 1 |
| main()
{
char string[]="Hello World";
display(string);
}
void display(char *string)
{
printf("%s",string);
} | | 1 |
| #include<conio.h>
main()
{
int x,y=2,z,a;
if(x=y%2) z=2;
a=2;
printf("%d %d ",z,x);
} | | 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()
{
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 |
| main()
{
float i=1.5;
switch(i)
{
case 1: printf("1");
case 2: printf("2");
default : printf("0");
}
} | | 1 |
| main()
{
char *cptr,c;
void *vptr,v;
c=10; v=0;
cptr=&c; vptr=&v;
printf("%c%v",c,v);
} | | 1 |
| int DIM(int array[])
{
return sizeof(array)/sizeof(int );
}
main()
{
int arr[10];
printf(“The dimension of the array is %d”, DIM(arr));
} | | 1 |
| main()
{
extern out;
printf("%d", out);
}
int out=100; | | 1 |
| Give a one-line C expression to test whether a number is a
power of 2. | Microsoft | 8 |
| Write a function to find the depth of a binary tree. | Adobe | 8 |
| 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 |
| void main()
{
char a[]="12345\0";
int i=strlen(a);
printf("here in 3 %d\n",++i);
} | | 1 |
| char inputString[100] = {0};
To get string input from the keyboard which one of the
following is better?
1) gets(inputString)
2) fgets(inputString, sizeof(inputString), fp) | | 1 |
| What are segment and offset addresses? | Infosys | 1 |
| |
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