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 3443

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

Groupon,

4 8033

#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 4652

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 2447

i have a written test in tomorrow

NNN, Value Labs,

1 4756

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,

2003

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

5639

what is software?

Wipro,

7 8631

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

3 4974

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 1947

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

Mind Tree,

1 5745

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

HP,

2154

WHAT IS THE DEFINATION OF IN TECHNOLOGY AND OFF TECHNOLOGY ?

HP,

2378

WHAT IS THE DEFINATION OF IN TECHNOLOGY AND OFF TECHNOLOGY ?

IBM,

1 3592

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

TCS,

6 15248

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Un-Answered Questions { C }

Once I have used freopen, how can I get the original stdout (or stdin) back?

1075

using only #include and #include Write a program in C that will read an input from the user and print it back to the user if it is a palindrome. The string ends when it encounters a whitespace. The input string is at most 30 characters. Assume the string has no spaces and distinguish between and lowercase. So madam is a palindrome, but MadAm is not a palindrome. Use scanf and %s to read the string. Sample Test: Enter a string: madam madam is a palindrome. Enter a string: 09023 09023 is not a palindrome.

1809

What does %c mean in c?

1085

Why is extern used in c?

1091

cavium networks written test pattern ..

4082

Give the rules for variable declaration?

1178

Explain what is the benefit of using const for declaring constants?

1031

Explain what are the different file extensions involved when programming in c?

1107

What is a pragma?

1124

Is main a keyword in c?

1133

What are the 3 types of structures?

1029

What is the symbol indicated the c-preprocessor?

1241

Explain how can I make sure that my program is the only one accessing a file?

1221

What is the auto keyword good for?

1147

What is advantage of pointer in c?

1184

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