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 4813

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

Google,

1 3870

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

3 7878

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

9 22376

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

1 11258

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

1 4264

How to calculate Total working time using Login and logout?

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

2 11562

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 10032

wats SIZE_T meant for?

1 4244

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 8842

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

2088

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 11722

WHY DO WE USE A TERMINATOR IN C LANGUAGE?

2 12111

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

TCS, Yahoo,

2 13686

what is the different bitween abap and abap-hr?

TCS,

2343

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Un-Answered Questions { C }

Define the scope of static variables.

1137

All technical questions

1998

What is preprocessor with example?

1070

What are the features of c languages?

1108

Explain the difference between exit() and _exit() function?

1175

What are the advantages and disadvantages of pointers?

1076

How can you tell whether a program was compiled using c versus c++?

1118

What is the general form of #line preprocessor?

1006

How #define works?

1115

What are loops in c?

1016

why programs in c are running with out #include? some warnings are display in terminal but we execute the program we get answer why? eg: main() { printf("hello world "); }

1776

Linked list is a Linear or non linear explain if linear how it working as a non linear data structures

2191

What is a pointer in c plus plus?

1317

What is meant by realloc()?

1165

Find the second largest element in an array with minimum no of comparisons and give the minimum no of comparisons needed on an array of size N to do the same.

1289

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