| Other C Code Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| Printf can be implemented by using __________ list. | | 1 |
| Give a oneline C expression to test whether a number is a
power of 2?
| Motorola | 16 |
| main()
{
char not;
not=!2;
printf("%d",not);
} | | 1 |
| main()
{
printf("%x",-1<<4);
} | | 1 |
| main()
{
show();
}
void show()
{
printf("I'm the greatest");
} | | 1 |
| main()
{
int x=5;
clrscr();
for(;x==0;x--) {
printf("x=%d\n”", x--);
}
}
a. 4, 3, 2, 1, 0
b. 1, 2, 3, 4, 5
c. 0, 1, 2, 3, 4
d. none of the above | HCL | 1 |
| Write a program that find and print how many odd numbers in
a binary tree | | 1 |
| int i,j;
for(i=0;i<=10;i++)
{
j+=5;
assert(i<5);
} | | 1 |
| Write a function to find the depth of a binary tree. | Adobe | 8 |
| Given an array of size N in which every number is between 1
and N, determine if there are any duplicates in it. You are
allowed to destroy the array if you like. | Microsoft | 15 |
| #include<stdio.h>
main()
{
struct xx
{
int x=3;
char name[]="hello";
};
struct xx *s;
printf("%d",s->x);
printf("%s",s->name);
} | | 1 |
| How to reverse a String without using C functions ? | Wipro | 13 |
| void main()
{
int i;
char a[]="\0";
if(printf("%s\n",a))
printf("Ok here \n");
else
printf("Forget it\n");
} | | 1 |
| main()
{
char *p = “ayqm”;
printf(“%c”,++*(p++));
} | TCS | 2 |
| In the following pgm add a stmt in the function fun such
that the address of
'a' gets stored in 'j'.
main(){
int * j;
void fun(int **);
fun(&j);
}
void fun(int **k) {
int a =0;
/* add a stmt here*/
} | | 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 |
| 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 |
| const int perplexed = 2;
#define perplexed 3
main()
{
#ifdef perplexed
#undef perplexed
#define perplexed 4
#endif
printf("%d",perplexed);
}
a. 0
b. 2
c. 4
d. none of the above | HCL | 1 |
| main()
{
char *p;
p="Hello";
printf("%c\n",*&*p);
} | | 1 |
| program to find magic aquare using array | HCL | 3 |
| |
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