Write a C program which produces its own source code as its output

Write a program to merge two arrays in sorted order, so that if an integer is in both the arrays, it gets added into the final array only once.

Write a program to print a square matrix helically.

Write a program generate permutations.

Write a program for sample generation

Write a C program generate combinations

Write a C program to solve the 8 queens problem

Write pseudocode to compare versions (like 115.10.1 vs 115.11.5).

Write C code to check if an integer is a power of 2 or not in a single line?

Write code to add two polynomials

Wite code to evaluate a polynomial.

Write a program to add two long positive numbers (each represented by linked lists)

Write a program to check if the stack grows up or down

Write a C program to check for palindromes

Write a C program to multiply two matrices.

Write C code to dynamically allocate one, two and three dimensional arrays

Write code to remove duplicates in a sorted array.

What are the elements of Object Oriented Design

Data Structure and Algorithm

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obtain 24 from four 0's. This time you can use any valid mathematical operation.

obtain 24 using the numbers 1,3,4,6 once each and only the operations +,-,/,*

Why do we need inline function, when we do have macros ?

How to declare a pointer to a function?

A full N-ary tree has M non-leaf nodes, how many leaf nodes does it have?

Write a program to create a mirror copy of a binary tree (left nodes become right and right nodes become left)

Write code to check if a given binary tree is a binary search tree or not?

What is an AVL tree?

Find the closest ancestor of two nodes in a binary tree.

What is a threaded binary tree?

Given an expression binary tree, evaluate the expression and obtain a paranthesized form of the expression

How many different binary trees can be constructed using n nodes?

Construct a binary tree given its inorder and preorder traversal strings. Similarly construct a binary tree given its inorder and post order traversal

How do you convert a tree into an array

Can you construct a binary tree using postorder and preorder traversal?

Write a program to create a copy of a binary tree

Write code to implement level order traversal of a binary tree

Write code for iterative preorder, inorder and postorder tree traversals

Write code for recursive preorder, inorder and postorder tree traversals

Write a code to count the number of leaves in a binary tree

Write C code to search for a value in a binary search tree (BST)

Write a C program to compute the maximum depth in a tree?

Write C code to determine if two binary trees are identical

Write a C program to swap two variables without using a temporary variable

Write a program to generate all permuatation of a string

Write a program to generate all subsstring of a input string

Write a function to determine the number of elements (or size) in a tree

Write a C program to find the depth or height of a tree.

Write a code to split a string at equal intervals

How to generate prime numbers? How to generate the next prime after a given prime?

Write a program to check if a given year is a leap year or not?

Write a C progam to convert from decimal to any base (binary, hex, oct etc...)

Write a C program for calculating the factorial of a big number

Write a C program for calculating the factorial of a number

Write a C program to delete a node from a Binary Search Tree

Write C code to return a pointer to the nth node of an inorder traversal of a BST

Write a C program to find the mininum/maximum value in a binary search tree.

Write a C program to delete a binary tree

Write a C program to find the length of LCS ( longest common subsequence ) of two given strings

Write a C program which does wildcard pattern matching algorithm

Write a C program to reverse the words in a sentence in place

Implement the memmove() function. What is the difference between the memmove() and memcpy() function

Write your own copy() function

Write your own C program to implement the atoi() function Updated

Write C code to implement the strstr() (search for a substring) function

Write your own printf() function in C

Implement the substr() function in C

Implement the strcpy() function.

Implement the strcmp(str1, str2) function

Write C programs to implement the toupper() and the isupper() functions

Write a C program to implement your own strdup() function

Write a C program to implement the strlen() function

Write your own strcat() function

Write a C program to reverse a string

How would you detect a loop in a linked list?

Write a C program to remove duplicates from a sorted linked list

How would you find out if one of the pointers in a linked list is corrupted or not?

Write a C program to return the nth node from the end of a linked list.

Write a C program to create a copy of a linked list.

Can we do a Binary search on a linked list?

How do you find the middle of a linked list?

How to create a copy of a linked list?

Write a C program to implement a Generic Linked List.

How do you sort a linked list?

How do you reverse a singly linked list? How do you reverse a doubly linked list?

How do you reverse a linked list without using any C pointers?

How can I search for data in a linked list?

How to compare two linked lists? Write a C program to compare two linked lists.

How to read a singly linked list backwards?

Write a C program to insert nodes into a linked list in a sorted fashion

Write a C program to free the nodes of a linked list

Given only a pointer to a node to be deleted in a singly linked list, how do you delete it?

What is collision and ways to avoid it

write BFS routine

Declare a array of strings

how to create a heap in O(n) time complexity

Insert a node recursively in a Binary search tree

Implement a queue using array

Implement a stack using array

How to declare array of pointer to a function returing pointer to an integer

How to declare a structure of a linked list

determine whether a machine's byte order is big-endian or little endian and convert from one to another

Write a C program to calculate pow(x,n)

program to find the GCD of two numbers