Most answered questions under tag c

+1 vote

3 answers

Write a program that, when run, will print out its source code?

posted Aug 19, 2014 by anonymous

+2 votes

3 answers

How to determine the size of a variable without using the sizeof operator in C/C++?

posted Aug 1, 2014 by anonymous

+2 votes

3 answers

Swap value two variables without using third variable or +/- operator?

posted Jul 4, 2014 by anonymous

0 votes

3 answers

C: Print a string without semicolun

posted Jul 3, 2014 by anonymous

+1 vote

3 answers

What is a forward reference in c ?

posted May 31, 2014 by Kali Mishra

+1 vote

3 answers

Data Structure: What is the efficient way to delete middle node of a singly linked list ?

posted May 18, 2014 by Ganesh Kumar

+2 votes

3 answers

Why volatile keyword is used?

posted Mar 27, 2014 by Pushpak Chauhan

+4 votes

3 answers

C: Why redefining of variable is not an error?

posted Jan 24, 2014 by Atiqur Rahman

+3 votes

3 answers

typedef variable is it applicable to first variable or all in the row?

posted Jan 21, 2014 by Prachi Agarwal

+1 vote

3 answers

What is the difference between void And int function?

posted Dec 20, 2013 by Jagan Mishra

+5 votes

3 answers

What is the benefit of using #define to declare a constant?

posted Dec 6, 2013 by Neeraj Pandey

+7 votes

3 answers

What is a macro in C/C++? How can we define it?

posted Dec 6, 2013 by Prachi Agarwal

+6 votes

3 answers

When should the volatile and dregister modifier be used

posted Dec 3, 2013 by Prachi Agarwal

+5 votes

3 answers

Why a++ executes faster than a+1 in C or C++?

posted Nov 19, 2013 by anonymous

+7 votes

3 answers

Is there a way to multiply matrices in lesser than o(n^3) time complexity?

posted Nov 18, 2013 by Anuj Yadav

+6 votes

3 answers

How would you rotate an NxN matrix by 90 degrees clockwise?

posted Nov 18, 2013 by Anuj Yadav

+6 votes

3 answers

Reverse the words in a string without changing their order?

posted Oct 30, 2013 by Salil Agrawal

+6 votes

3 answers

Reverse the order of the words

posted Oct 29, 2013 by Mona Sharma

+2 votes

3 answers

How to print element of 2d matrix in spiral?

posted Oct 23, 2013 by Anuj Yadav

+2 votes

3 answers

How many parameter can we pass as argument in function ?

posted Oct 23, 2013 by Vikas Upadhyay

+4 votes

3 answers

Why there is no difference between funptr and &funptr ??

posted Oct 17, 2013 by Vikas Upadhyay

+3 votes

3 answers

How free will calculate no of bytes it need to free ??

posted Oct 15, 2013 by Mona Sharma

+1 vote

3 answers

How can I use C to check the endianess on my machine?

posted Sep 5, 2013 by Luv Kumar

0 votes

3 answers

Which is the best language for high performance output..

posted Apr 1, 2013 by Salil Agrawal

+2 votes

2 answers

What is the maximum size of an integer array in C?

posted Feb 20, 2019 by anonymous

+2 votes

2 answers

Write a loop statement that will show the following output: 1

posted Nov 15, 2018 by Sanjay Kumar Sahu

0 votes

2 answers

How can a variable be declared and initialized as an array in C?

posted Sep 7, 2017 by anonymous

+1 vote

2 answers

How to print a variable name in C?

posted Jul 18, 2017 by Ajay Kumar

+1 vote

2 answers

How to print all prime factor of a number in descending order using a stack?

posted Jul 7, 2017 by Ajay Kumar

+1 vote

2 answers

What is the difference between marcos and functions in C?

posted Jul 5, 2017 by Ajay Kumar

0 votes

2 answers

How we can write hexadecimal value in a string?

posted Jun 23, 2017 by Priya Kanojiya

0 votes

2 answers

Find the first non repeating character in a string using C/C++?

posted May 25, 2017 by anonymous

+2 votes

2 answers

Write a C program to insert character/word in any desired location in a string?

posted May 19, 2017 by Pooja Singh

0 votes

2 answers

Write a C program to merge the elements of 2 sorted array?

posted May 16, 2017 by Pankaj Singh

+2 votes

2 answers

Write a C program to delete all repeated words in string?

posted May 14, 2017 by Neeraj Kumar

0 votes

2 answers

How to calculate string length without using string function and Loop in c?

posted May 2, 2017 by Alok Kumar

0 votes

2 answers

What is memory leak and how it should be avoided using c?

posted May 1, 2017 by Neeraj Kumar

0 votes

2 answers

How to find if a string is a permutation of another string using C?

posted Apr 24, 2017 by anonymous

0 votes

2 answers

Which one is better to use in dynamic memory allocation malloc() or calloc(), please explain with appropriate example ?

posted Apr 19, 2017 by Anirudha Sarkar

+1 vote

2 answers

Convert a binary number into decimal number and vice versa using C?

posted Mar 9, 2017 by anonymous

+2 votes

2 answers

C: What will happen if free() use an invalid pointer to release the memory ?

posted Jan 18, 2017 by Neelam

0 votes

2 answers

Predict the output of below C program?

posted Nov 17, 2016 by Tapesh Kulkarni

+2 votes

2 answers

Given a sorted array, and given a number n, find number of times n occurs in the array using C in best possible way?

posted Nov 11, 2016 by anonymous

+3 votes

2 answers

How can I view the statements inside a scanf() function?

posted Oct 5, 2016 by Prajwal C.m.

+1 vote

2 answers

C: How the ans become -6, whether char val=200 is signed or unsigned?

posted Oct 4, 2016 by anonymous

+1 vote

2 answers

PROGRAM TO IMPLEMENT MULTIPLE STACK IN A SINGLE ARRAY C LANGUAGE

posted Sep 29, 2016 by Sathyasree

+2 votes

2 answers

C: Write a compact code to reverse the singly linked list using recursion?

posted Aug 31, 2016 by Rupam

–1 vote

2 answers

Write a C program to Sort a Linked List of 0s, 1s and 2s?

posted Aug 18, 2016 by Mohammed Hussain

+3 votes

2 answers

What function should be used to free the memory allocated by calloc() ? and how?

posted Jul 19, 2016 by Vrije Mani Upadhyay

0 votes

2 answers

Is it possible to declare two or more variables with the same name within one function in C?

posted Jul 18, 2016 by anonymous