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

C Interview Questions

Questions Answers Views Company eMail

Define a structure to store roll no, name and marks of a student. Using the structure of above write a ‘C’ program to create a file “student.dat”. There must be one record for every student in the file. Accept the data from the user.

3396

What is the difference between void main() and void main (void) give example programme?

1967

What is the proper way of these job Tell me about there full work

EDS,

1767

Write a program to find the number of times that a given word(i.e. a short string) occurs in a sentence (i.e. a long string!). Read data from standard input. The first line is a single word, which is followed by general text on the second line. Read both up to a newline character, and insert a terminating null before processing. Typical output should be: The word is "the". The sentence is "the cat sat on the mat". The word occurs 2 times.

3504

write a reverse string to print a stars.(with out using logic) ***** **** *** ** *

2 3308

What will be the result of the following C language program? main() { int a = 0; int b = 20; char x = 1; char y = 10; if(a,b,x,y) printf("Welcome"); }

1 2793

main() { int ptr[] = {1,2,23,6,5,6}; printf("%d",&ptr[3]-&ptr[0]); }

Vector,

8 23804

The program to allow the characters from the input received and send this function to a function check if the characters between letters a to z is a function of y joins as the characters main and output to otherwise return to the original function of the y characters

1836

Write a program that receives as input a number omaadel-n-print, four digits.

1808

Table of Sudoku n*n

1959

Magic square

2039

Eight queens puzzle

1892

Write a program that his output * *** *****

1 2771

Write a program that his output 1 12 123

1821

A program to write a number of letters and numbers, such as counting and display

1826

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Un-Answered Questions { C }

Differentiate between #include<...> and #include '...'

1056

In this assignment you are asked to write a multithreaded program to find the duplicates in an array of 10 million integers. The integers are between -5000,000 to 5000,000 and are generated randomly. Use 10 threads, each thread works on 1000,000 integers. Compare the time needed to accomplish the task with single thread of execution program. Do not include the time to fill the array with integers in the execution time.

3120

What do you mean by scope of a variable in c?

1013

What is array of structure in c programming?

1291

What are the advantage of c language?

1054

exit () is used to a) exit () terminates the execution of the program itself b) exit () terminates the execution of the loop c) exit () terminates the execution of the block d) none of the above

1121

What oops means?

1001

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

1074

what do you mean by inline function in C?

1056

Why is c called "mother" language?

1293

Write a code on reverse string and its complexity.

1036

What is time complexity c?

997

What is return type in c?

1138

Do string constants represent numerical values?

1395

Explain how to reverse singly link list.

1145

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