C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Interview Questions

Questions Answers Views Company eMail

main() { int a=4,b=2; a=b<>2; printf("%d", a); }

HCL, Vector, Vector India, Vector Solutions, Wipro,

11 58125

main() { int *ptr=(int*)malloc(sizeof(int)); *ptr=4; printf("%d",(*ptr)+++*ptr++); }

Vector, Vector Solutions,

5 39604

struct node {struct node*temp,*new} prinf("%d",sizeof(struct node));

2 3249

m=++i&&++j(||)k++ printf("%d"i,j,k,m)

ABC,

1 4989

char p="data"; printf(p);

2 3346

read a number & print all its devisors using c-program?

3 5388

get any number as input except 1 and the output will be 1.without using operators,expressions,array,structure.don't print 1 in printf statement

3 3746

input may any number except 1,output will always 1.. conditions only one variable should be declare,don't use operators,expressions,array,structure

IBM,

4 4641

Write a c program using for loop in switch case?

Infosys,

1 5724

Which is the memory area not included in C program? give the reason

IBM, TCS,

1500

Write a program that takes a 5 digit number and calculates 2 power that number and prints it.

1 3296

what is the height of tree if leaf node is at level 3. please explain

1595

what is level of tree if leaf node is at level 4.please explain.

Wipro,

1 3825

how to find sum of 5 digits in C?

4 5511

what is ans for this scanf(%%d",c);

1 3147

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Un-Answered Questions { C }

What is the difference between array and pointer?

562

What are static variables in c?

627

What is volatile, register definition in C

682

How will you find a duplicate number in a array without negating the nos ?

1637

Explain how are portions of a program disabled in demo versions?

649

program for reversing a selected line word by word when multiple lines are given without using strrev

1941

differentiate built-in functions and user – defined functions.

620

what is use of malloc and calloc?

1380

What is a dynamic array in c?

587

What is the purpose of sprintf() function?

595

the real constant in c can be expressed in which of the following forms a) fractional form only b) exponential form only c) ascii form only d) both a and b

1903

What language is lisp written in?

613

Differentiate between the = symbol and == symbol?

708

Do pointers store the address of value or the actual value of a variable?

606

Why main function is special give two reasons?

940

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