| Other C Code Interview Questions |
| | | Question | Asked @ | Answers | | | | what will be the position of the file marker?
a: fseek(ptr,0,SEEK_SET);
b: fseek(ptr,0,SEEK_CUR); | | 1 | | void main()
{
char ch;
for(ch=0;ch<=127;ch++)
printf(“%c %d \n“, ch, ch);
} | | 1 | | int i=10;
main()
{
extern int i;
{
int i=20;
{
const volatile unsigned i=30;
printf("%d",i);
}
printf("%d",i);
}
printf("%d",i);
} | | 1 | | Print an integer using only putchar. Try doing it without
using extra storage. | | 1 | | #include<stdio.h>
main()
{
FILE *ptr;
char i;
ptr=fopen("zzz.c","r");
while((i=fgetch(ptr))!=EOF)
printf("%c",i);
} | | 1 | | You are given any character string. Find the number of sets
of vowels that come in the order of aeiou in the given
string. For eg., let the given string be DIPLOMATIC. The
answer returned must be "The number of sets is 2" and "The
sets are "IO and AI". Vowels that form a singleton set must
be neglected. Try to post the program executable in gcc or
g++ or in java. | | 3 | | main()
{
int i=5,j=6,z;
printf("%d",i+++j);
} | | 1 | | main()
{
int i=3;
switch(i)
{
default:printf("zero");
case 1: printf("one");
break;
case 2:printf("two");
break;
case 3: printf("three");
break;
}
} | | 1 | | main()
{
void swap();
int x=10,y=8;
swap(&x,&y);
printf("x=%d y=%d",x,y);
}
void swap(int *a, int *b)
{
*a ^= *b, *b ^= *a, *a ^= *b;
} | | 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 | | 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 | | #include<stdio.h>
main()
{
const int i=4;
float j;
j = ++i;
printf("%d %f", i,++j);
} | | 1 | | program to find the roots of a quadratic equation | HP | 3 | | main()
{
char a[4]="HELL";
printf("%s",a);
} | Wipro | 1 | | Write, efficient code for extracting unique elements from
a sorted list of array.
e.g. (1, 1, 3, 3, 3, 5, 5, 5, 9, 9, 9, 9) -> (1, 3, 5, 9).
| Microsoft | 10 | | Program to Delete an element from a doubly linked list.
| Infosys | 4 | | main()
{
char *cptr,c;
void *vptr,v;
c=10; v=0;
cptr=&c; vptr=&v;
printf("%c%v",c,v);
} | | 1 | | main()
{
int c=- -2;
printf("c=%d",c);
} | | 1 | | main()
{
int i=-1;
-i;
printf("i = %d, -i = %d \n",i,-i);
} | | 1 | | main()
{
char name[10],s[12];
scanf(" \"%[^\"]\"",s);
}
How scanf will execute? | | 1 | | | | For more C Code Interview Questions Click Here |
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