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

C Interview Questions

Questions Answers Views Company eMail

what's the o/p int main(int n, char *argv[]) { char *s= *++argv; puts(s); exit(0); }

Motorola,

1 4808

how to determine the complexity of an algorithm as log(n)

Google,

1 3862

how to do in place reversal of a linked list(singly or doubly)?

3 7855

wats the diference btwen constant pointer and pointer to a constant.pls give examples.

9 22338

Explain in detail how strset (string handling function works )pls explain it with an example.

1 11244

dibakar & vekatesh..uttejana here..abt ur reply for in place reversal of linked list..wats p stands for there?

1 4254

How to calculate Total working time using Login and logout?

CTS, Cygnus, Infosys, Signal Networks, TCS, Wipro,

2 11537

how do u find out the number of 1's in the binary representation of a decimal number without converting it into binary(i mean without dividing by 2 and finding out the remainder)? three lines of c code s there it seems...can anyone help

5 10013

wats SIZE_T meant for?

1 4235

how to calculate the time complexity of a given algorithm? pls give exaples..mainly for the coplexities such as O(log n),O(n log n)...

Infosys,

1 8836

can anyone suggest some site name..where i can get some good data structure puzzles???

2084

Is there any restriction in how many arguments printf or scanf function can take? in which file in my c++ compiler i can see the code for implementation of these two functions??

4 11689

WHY DO WE USE A TERMINATOR IN C LANGUAGE?

2 12099

how to find out the inorder successor of a node in a tree??

TCS, Yahoo,

2 13684

what is the different bitween abap and abap-hr?

TCS,

2331

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Un-Answered Questions { C }

what are the program that using a two dimensional array that list the odd numbers and even numbers separately in a given 10 inputs values

1697

What is assignment operator?

1057

Why c is called free form language?

1022

What is int main () in c?

1090

What is meant by initialization and how we initialize a variable?

1051

Explain the use of keyword 'register' with respect to variables.

1049

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

Write a function stroverlap that takes (at least) two strings, and concatenates them, but does not duplicate any overlap. You only need to worry about overlaps between the end of the first string and the beginning of the second string. Examples: batman, manonthemoon = batmanonthemoon batmmamaman, mamamanonthemoon = batmmamamanonthemoon bat, man = batman batman, batman = batman batman, menonthemoon = batmanmenonthemoon

2305

What is the correct code to have following output in c using nested for loop?

1082

.find the output of the following program? char*myfunc(char*ptr) { ptr +=3; return (ptr); } int main() { char*x,*y; x="HELLO"; y=myfunc(x); printf("y = %s ",y); return 0; }

2589

plz let me know how to become a telecom protocol tester. thank you.

2189

Is python a c language?

1010

What is wrong in this statement?

1145

What is the symbol indicated the c-preprocessor?

1249

Why can't I perform arithmetic on a void* pointer?

1096

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