| Other C Code Interview Questions |
| | | Question | Asked @ | Answers | | | | main()
{
int i, n;
char *x = “girl”;
n = strlen(x);
*x = x[n];
for(i=0; i<n; ++i)
{
printf(“%s\n”,x);
x++;
}
} | | 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 | | main()
{
int i=5;
printf("%d",++i++);
} | | 1 | | main()
{
char a[4]="HELL";
printf("%s",a);
} | Wipro | 1 | | main( )
{
int a[2][3][2] = {{{2,4},{7,8},{3,4}},{{2,2},{2,3},{3,4}}};
printf(“%u %u %u %d \n”,a,*a,**a,***a);
printf(“%u %u %u %d \n”,a+1,*a+1,**a+1,***a+1);
} | | 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 | | Write out a function that prints out all the permutations of
a string.
For example, abc would give you abc, acb, bac, bca, cab,
cba. You can assume that all the characters will be unique. | Microsoft | 4 | | main()
{
int i=10;
i=!i>14;
Printf ("i=%d",i);
} | | 1 | | What is the main difference between STRUCTURE and UNION? | | 6 | | write a program in c to merge two array | | 1 | | main(int argc, char **argv)
{
printf("enter the character");
getchar();
sum(argv[1],argv[2]);
}
sum(num1,num2)
int num1,num2;
{
return num1+num2;
} | | 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 | | plz send me all data structure related programs | | 1 | | #define square(x) x*x
main()
{
int i;
i = 64/square(4);
printf("%d",i);
} | | 1 | | main()
{
41printf("%p",main);
}8 | | 1 | | #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 | | main()
{
int i=300;
char *ptr = &i;
*++ptr=2;
printf("%d",i);
} | | 1 | | main()
{
printf("\nab");
printf("\bsi");
printf("\rha");
} | | 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 | | Give a one-line C expression to test whether a number is a
power of 2. | Microsoft | 8 | | | | For more C Code Interview Questions Click Here |
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