| Other C Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| write a program to print the all 4digits numbers & whose
squares must me even numbers? | Virtusa | 1 |
| Write a program to print this triangle:
*
**
*
****
*
******
*
********
*
**********
Don't use printf statements;use two nested loops instead.
you will have to use braces around the body of the outer
loop if it contains multiple statements. | | 1 |
| Which of the following data structures is on average the
fastest for retrieving data:
1) Binary Tree
2) Hash Table
3) Stack
| | 3 |
| void swap(int a,int b)
{
a=a+b;
b=a-b;
a=a-b;
}
in this code always gives the same result for all case | TCS | 5 |
| what is differnence b/w macro & functions | | 1 |
| what is the difference between. system call and library
function? | CDAC | 1 |
| How can I convert integers to binary or hexadecimal? | | 2 |
| There is a 100-story building and you are given two eggs.
The eggs (and the building) have an interesting property
that if you throw the egg from a floor number less than X,
it will not break. And it will always brake if the floor
number is equal or greater than X. Assuming that you can
reuse the eggs which didn't broke; you got to find X in a
minimal number of throws. Give an algorithm to find X in
minimal number of throws. | | 2 |
| Read N characters in to an array . Use functions to do all
problems and pass the address of array to function.
1. Print only the alphabets . If in upper case print in
lower case vice versa. | | 1 |
| Write a program to find the smallest and largest element in
a given array in c language | | 1 |
| # define prod(a,b)=a*b
main()
{
int x=2;
int y=3;
printf("%d",prod(x+2,y-10)); }
the output of the program is
a.8
b.6
c.7
d.none
| TCS | 5 |
| i want to know aptitude questions,technical questions | | 1 |
| 34.what are bitwise shift operators?
35.what are bit fields? What is the use of bit fields in a
structure declaration?
36.what is the size of an integer variable?
37.what are the files which are automatically opened when a
c file is executed?
38.what is the little endian and big endian?
39.what is the use of fflush() function?
40.what is the difference between exit() and _exit() functions?
41.where does malloc() function get the memory?
42.what is the difference between malloc() and calloc()
function?
43.what is the difference between postfix and prefix unary
increment operators? | | 2 |
| write a programe returns the number of times the character
appears in the string | | 1 |
| what is the output?
#define fun(a,b,t) (g ##t=(a),(a)=(b),(b)=g##t)
float gfloat;
main()
{
float a=1.12,b=3.14;
fun (a,b,float);
printf("na=%4.2f,b=%4.2f",a,b);
}
A)Error in Defining Macro
B)a=1.12,b=3.14
C)a=3.14,b=1.12
D)None of the Above
| Accenture | 2 |
| dibakar & vekatesh..uttejana here..abt ur reply for in
place reversal of linked list..wats p stands for there? | | 1 |
| regarding the scope of the varibles;identify the incorrect
statement:
a.automatic variables are automatically initialised to 0
b.static variables are are automatically initialised to 0
c.the address of a register variable is not accessiable
d.static variables cannot be initialised with any expression
| TCS | 1 |
| program to find a smallest number in an array | Microsoft | 2 |
| what is meant by c | | 4 |
| How to receive strings with spaces in scanf() | | 3 |
| |
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