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 4810

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

Google,

1 3865

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

3 7862

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

9 22349

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

1 11247

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

1 4260

How to calculate Total working time using Login and logout?

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

2 11550

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 10018

wats SIZE_T meant for?

1 4236

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 8839

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

2085

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 11697

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 13686

what is the different bitween abap and abap-hr?

TCS,

2337

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Un-Answered Questions { C }

What is extern c used for?

1063

Explain what does the characters 'r' and 'w' mean when writing programs that will make use of files?

1254

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

1327

Describe dynamic data structure in c programming language?

1097

Why & is used in scanf in c?

1102

What is the difference between formatted&unformatted i/o functions?

1060

How to declare pointer variables?

1245

What is a spanning Tree?

1595

write a program in c language to print your bio-data on the screen by using functions.

6789

When we use void main and int main?

1090

Write a program to print “hello world” without using semicolon?

1123

Write the program with at least two functions to solve the following problem. The members of the board of a small university are considering voting for a pay increase for their 10 faculty members. They are considering a pay increase of 8%. Write a program that will prompt for and accept the current salary for each of the faculty members, then calculate and display their individual pay increases. At the end of the program, print the total faculty payroll before and after the pay increase, and the total pay increase involved.

3112

Why is c known as a mother language?

1243

What is array of structure in c?

1184

Differentiate between calloc and malloc.

1273

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