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

C Interview Questions

Questions Answers Views Company eMail

void main() { int *ptr; ptr = (int *) 0x400 ; printf("ptr=%d",ptr); } output?

1 3372

void main() { //char ch; unsigned char ch; clrscr(); for(ch =0;ch<= 127; ch++) printf(" %c= %d \t ", ch, ch); } output?

Groupon,

4 7837

#include int main() { int a[3][3][2]= {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18}; printf("%d\n",*(*(*a+1)); return 0; } What will be the output of the above question? And how?

Groupon,

1 4559

main() { static char *s[]={"black","white","yellow","voilet"}; char **ptr[]={s+3,s+2,s+1,s}, ***p; p=ptr; **++p; printf("%s",*--*++p+3); }

1 2366

i have a written test in tomorrow

NNN, Value Labs,

1 4666

Write a C program to accept a matrix of any size. Find the frequency count of each element in the matrix and positions in which they appear in the matrix

CLG,

1955

Write a function expand(s1,s2) that expands shorthand notations like a-z in the string s1 into the equivalent complete list abc...xyz in s2 . Allow for letters of either case and digits, and be prepared to handle cases like a-b-c and a-z0-9 and -a-z. z-a:zyx......ba -1-6-:-123456- 1-9-1:123456789987654321 a-R-L:a-R...L a-b-c:abbc

5559

what is software?

Wipro,

7 8378

x=y=z=1 z=++x||++y&&++z Printf("%%%d";xyz) what is the values of x,y and z?????

3 4811

write a programe to accept any two number and check the following condition using goto state ment.if a>b,print a & find whether it is even or odd and then print.and a 1888

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

Mind Tree,

1 5639

Write a C Program That Will Count The Number Of Even And Odd Integers In A Set using while loop

HP,

2110

WHAT IS THE DEFINATION OF IN TECHNOLOGY AND OFF TECHNOLOGY ?

HP,

2336

WHAT IS THE DEFINATION OF IN TECHNOLOGY AND OFF TECHNOLOGY ?

IBM,

1 3504

int a=0,b=2; if (a=0) b=0; else b=*10; What is the value of b ?

TCS,

6 15026

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Un-Answered Questions { C }

Explain the use of #pragma exit?

1117

What is the data segment that is followed by c?

1034

#define MAX(x,y) (x) >(y)?(x):(y) main() { inti=10,j=5,k=0; k= MAX(i++,++j); printf("%d..%d..%d",i,j,k); }

1110

What are examples of structures?

1030

What are the different types of linkage exist in c?

976

Why is structure important for a child?

1051

What is structure and union in c?

1075

What is an endless loop?

1234

What is wrong with this statement? Myname = 'robin';

1267

Can we change the value of static variable in c?

974

write a program to create a sparse matrix using dynamic memory allocation.

4844

What is .obj file in c?

1026

What does 2n 4c mean?

1191

What is #ifdef ? What is its application?

1057

A text file that contains declarations used by a group of functions,programs,or users a) executable file b) header file c) obj file d) .cfile

1055

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