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C Interview Questions
Questions Answers Views Company eMail

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

TCS, Vimukti Technologies,

5 5396

5) Write a program that takes a 3 digit number n and finds out whether the number 2^n + 1 is prime, or if it is not prime find out its factors.without using big int and exponential function

TCS,

1 2742

Why is the code below functioning. According to me it MUST NOT.

1 2359

write a program in C to swap two variables

Attrabyte, Marlabs,

7 6999

mplementation of stack using any programing language

Marlabs,

1 2636

How to find the usage of memory in a c program

Infosys,

1 3678

How can you print HELLO WORLD without using "semicolon"?

HCL, Infosys,

7 7105

struct node { int *a; char *b; char array[12]; }; struct node m,*n; assign the value in *a,*b,char array[12]

3 4736

Write a program that takes a 3 digit number n and finds out whether the number 2^n + 1 is prime, or if it is not prime find out its factors

3 3596

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

7 4165

I was asked to write a program in c which when executed displays how many no.of clients are connected to the server.

1431

what will be the output off the following program? #include int main() { int a; a=015+0*71+5; printf("%d,a"); return0; }

HCL,

9 7564

change to postfix a/(b+c*d-e)

Value Labs,

8 4517

write a method for an array in which it can display the largest n next largest value.

Value Labs,

1 2893

write a program to find the largest and second largest integer from an array

Value Labs,

2 7624


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Un-Answered Questions { C }

Write a program that takes a 5 digit number and calculates 2 power that number and prints it(should not use big integers and exponential functions)

4852


Explain how do you determine the length of a string value that was stored in a variable?

178


Can 'this' pointer by used in the constructor?

168


What is the maximum length of an identifier?

183


Which header file is essential for using strcmp function?

171






application attempts to perform an operation?

1035


Why we use void main in c?

116


Synonymous with pointer array a) character array b) ragged array c) multiple array d) none

174


Between macros and functions,which is better to use and why?

1114


What is a static function in c?

162


How do you generate random numbers in C?

187


What is typedef struct in c?

127


write a sorting prgm to sort 50 nos and sum them and also remove all the occurrences of 15 and print it?

1211


What is an lvalue?

152


What's the best way of making my program efficient?

165