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 64905

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

Vector, Vector Solutions,

5 42533

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

2 4456

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

ABC,

1 5865

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

2 4896

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

3 6672

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 5180

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 6300

Write a c program using for loop in switch case?

Infosys,

1 6581

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

IBM, TCS,

2002

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

1 4170

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

2204

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

Wipro,

1 4634

how to find sum of 5 digits in C?

4 7327

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

1 3944

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Un-Answered Questions { C }

Explain what is a stream?

1145

What is a program flowchart and how does it help in writing a program?

1197

Differentiate between null and void pointers.

1236

What is the correct declaration of main?

1269

What is d scanf?

1149

Are negative numbers true in c?

1116

What functions are used in dynamic memory allocation in c?

1126

How can you return multiple values from a function?

1174

How to Throw some light on the splay trees?

1107

why return type of main is not necessary in linux

2155

If one class contains another class as a member, in what order are the two class constructors called a) Constructor for the member class is called first b) Constructor for the member class is called second c) Only one of the constructors is called d) all of the above

1113

What do you mean by invalid pointer arithmetic?

1132

What is wrong with this program statement? void = 10;

1317

write a program to find out prime number using sieve case?

2141

How do I swap bytes?

1123

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