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 4733

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

Google,

1 3791

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

3 7722

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

9 22071

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

1 11187

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

1 4200

How to calculate Total working time using Login and logout?

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

2 11398

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 9846

wats SIZE_T meant for?

1 4160

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 8748

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

2049

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 11543

WHY DO WE USE A TERMINATOR IN C LANGUAGE?

2 12003

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

TCS, Yahoo,

2 13582

what is the different bitween abap and abap-hr?

TCS,

2252

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Un-Answered Questions { C }

Define Spanning-Tree Protocol (STP)

1088

Define recursion in c.

1223

What is size of union in c?

991

What is a method in c?

1093

Find MAXIMUM of three distinct integers using a single C statement

1026

What is the significance of an algorithm to C programming?

1016

Create a structure to specify data on students as given below: Roll number, Name, Department, Course, and Year of joining. Assume that there are not more than 450 students in the collage. (a) Write a function to print the names of all students who joined in the last 3 years. (b) Write a function to print the data of a student whose roll numbers are divisible by 4.

1076

What are the different data types in C?

1165

Write an efficient algo and C code to shuffle a pack of cards.. this one was a feedback process until we came up with one with no extra storage.

1037

what is a function method?give example?

2338

What is declaration and definition in c?

1041

How many main () function we can have in a project?

1078

What does 2n 4c mean?

1201

Why is a semicolon (;) put at the end of every program statement?

1049

What is the use of a semicolon (;) at the end of every program statement?

1431

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