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Questions and Answers
In C, the main function is usually defined as ______ main()
In C, the main function is usually defined as ______ main()
int
To check if parentheses are balanced, we need to increment the ______ variable when we encounter an opening parenthesis.
To check if parentheses are balanced, we need to increment the ______ variable when we encounter an opening parenthesis.
x
The expression is scanned until we reach the end of the expression, represented by ______.
The expression is scanned until we reach the end of the expression, represented by ______.
'\0'
The function that removes an element from the queue is called ______.
The function that removes an element from the queue is called ______.
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To add an element to the queue, we use the ______ function.
To add an element to the queue, we use the ______ function.
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An unbalanced matching occurs when there are more than zero opening brackets remaining in the ______ after reading the expression.
An unbalanced matching occurs when there are more than zero opening brackets remaining in the ______ after reading the expression.
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In the dequeue function, if the rear is empty, we print "Queue is ______".
In the dequeue function, if the rear is empty, we print "Queue is ______".
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To display the elements in a stack, we use the ______ function.
To display the elements in a stack, we use the ______ function.
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Creating a circular linked list is no different from creating a singly linked ___.
Creating a circular linked list is no different from creating a singly linked ___.
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In a circular linked list, the last element points to the ___.
In a circular linked list, the last element points to the ___.
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A __ function is used to traverse the circular linked list by starting from the head.
A __ function is used to traverse the circular linked list by starting from the head.
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When traversing, a __ loop is used to ensure all nodes are visited until back to head.
When traversing, a __ loop is used to ensure all nodes are visited until back to head.
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To insert a new node, first allocate memory using malloc for the new __.
To insert a new node, first allocate memory using malloc for the new __.
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If the head is empty after insertion, the new node becomes the new __.
If the head is empty after insertion, the new node becomes the new __.
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The pointer current is used to move to the end of the __.
The pointer current is used to move to the end of the __.
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The statement 'current -> next != head' checks if we have reached the __ of the circular linked list.
The statement 'current -> next != head' checks if we have reached the __ of the circular linked list.
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The function to check whether the queue is empty uses the condition if((front==1)&&(rear=______))
The function to check whether the queue is empty uses the condition if((front==1)&&(rear=______))
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In the function peek(), if the front and rear are both equal to ______, the queue is considered empty.
In the function peek(), if the front and rear are both equal to ______, the queue is considered empty.
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To display the elements in the queue, the display() function first prints that 'The elements in a Queue are: ______'.
To display the elements in the queue, the display() function first prints that 'The elements in a Queue are: ______'.
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The statement 'front=front->______;' is used in the dequeue process to move the front pointer to the next element.
The statement 'front=front->______;' is used in the dequeue process to move the front pointer to the next element.
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In a circular queue, the condition to check for an empty queue is if((front==)&&(rear==)).
In a circular queue, the condition to check for an empty queue is if((front==)&&(rear==)).
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The structure used to create each element in the queue is defined as 'struct ______'.
The structure used to create each element in the queue is defined as 'struct ______'.
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The 'enqueue' function adds elements to the queue by adjusting the ______ pointer.
The 'enqueue' function adds elements to the queue by adjusting the ______ pointer.
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When the queue has a single element left, both front and rear are set to ______.
When the queue has a single element left, both front and rear are set to ______.
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The function 'deleteByValue' is used to delete a node with a given ________ from the linked list.
The function 'deleteByValue' is used to delete a node with a given ________ from the linked list.
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To start searching for the value to delete, a pointer ________ is created to point to the head.
To start searching for the value to delete, a pointer ________ is created to point to the head.
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The pointer ________ is created to point to the node next to the head.
The pointer ________ is created to point to the node next to the head.
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The while loop runs until pointer 'q' encounters the given ________ or the end of the list.
The while loop runs until pointer 'q' encounters the given ________ or the end of the list.
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If the value is found in the linked list, pointer 'p' is set to point to ________ node, effectively removing the target node.
If the value is found in the linked list, pointer 'p' is set to point to ________ node, effectively removing the target node.
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If the function does not find the value, it continues without doing ________.
If the function does not find the value, it continues without doing ________.
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The function returns the ________ of the linked list after attempting to delete the specified value.
The function returns the ________ of the linked list after attempting to delete the specified value.
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In the find_data function, if the item is not found in the list, it prints that the item does not ________ in the list.
In the find_data function, if the item is not found in the list, it prints that the item does not ________ in the list.
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If the queue becomes empty after the dequeue operation (i.e., front equals ______), reset both front and rear to -1.
If the queue becomes empty after the dequeue operation (i.e., front equals ______), reset both front and rear to -1.
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In a circular queue, when the condition to check if the queue is full is met, the statement is (rear+1) % ______ == front.
In a circular queue, when the condition to check if the queue is full is met, the statement is (rear+1) % ______ == front.
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In the enqueue function, if front is -1 and rear is -1, both front and rear are set to ______.
In the enqueue function, if front is -1 and rear is -1, both front and rear are set to ______.
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The function to delete an element from the queue is called ______.
The function to delete an element from the queue is called ______.
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When the queue is empty, both front and rear are equal to ______.
When the queue is empty, both front and rear are equal to ______.
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The ______ function is used to display the elements of a queue.
The ______ function is used to display the elements of a queue.
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In the dequeue function, if front is equal to rear, both front and rear are set to ______ after deletion.
In the dequeue function, if front is equal to rear, both front and rear are set to ______ after deletion.
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The array used to implement the circular queue is declared as int queue______;
The array used to implement the circular queue is declared as int queue______;
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In a Priority Queue, elements are arranged based on their ______.
In a Priority Queue, elements are arranged based on their ______.
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The element with the highest priority is processed before those with ______.
The element with the highest priority is processed before those with ______.
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In an ascending priority queue, only the element with the ______ priority can be removed.
In an ascending priority queue, only the element with the ______ priority can be removed.
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A priority queue can be implemented using an array, a linked list, or a ______.
A priority queue can be implemented using an array, a linked list, or a ______.
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A heap data structure is a complete binary tree that satisfies the ______ property.
A heap data structure is a complete binary tree that satisfies the ______ property.
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In a min heap, the key of the root node is the ______ among all other nodes.
In a min heap, the key of the root node is the ______ among all other nodes.
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A complete binary tree has all levels completely filled except possibly the ______ one.
A complete binary tree has all levels completely filled except possibly the ______ one.
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In a complete binary tree, all leaf elements must lean towards the ______.
In a complete binary tree, all leaf elements must lean towards the ______.
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Study Notes
Lab Manuals
- This document is a lab manual for Data Structures and Algorithms.
- It was prepared by Prof. Noureldien A. Noureldien.
- The document was created in October 2024.
- The lab manual covers various topics related to data structures and algorithms.
- The table of contents lists different lab topics and their corresponding page numbers.
Lab Topics
- Linked Lists: Includes singly linked lists and circular linked lists.
- Stacks
- Queues
- Priority Queues
- Searching
- Sorting: Includes bubble sort, insertion sort, and selection sort.
- Hashing
- Programming Problems
Lab (1): Linked Lists - Singly Linked List
- This lab demonstrates how to use singly linked lists to solve problems.
- Students will learn what a linked list is.
- Students will learn the difference between linked lists and arrays.
- Students will learn various types of linked lists and how to write C codes that create and manipulate the linked lists.
- The instructor should guide on implementing linked lists in C.
- Linked list elements have separate memory blocks.
- Data elements are connected by pointers.
- Linked lists allow for dynamic memory allocation, unlike arrays.
Lab (2): Linked Lists - Circular Linked Lists
- A circular linked list is a data structure where the last element points to the first element.
- This lab demonstrates to students how to implement circular linked lists.
Lab (3): Stacks
- This lab demonstrates implementation of stacks using different concepts and definitions and implement stacks in C.
Lab (4): Assignment
- Rewrite the parenthesis checking code.
- Use a stack to implement the code.
Lab (5): Priority Queues
- This lab introduces the concept of priority queues.
- Priority queues are a data structure where elements are processed based on priorities.
Lab (6): Searching
- This lab covers various search algorithms.
- Discusses linear and binary search algorithms.
Lab (7): Bubble Sort
- This lab explains bubble sort algorithms and their implementation in C.
- This is a sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.
Lab (8): Insertion and Selection Sort
- This lab explains the insertion sort and selection sort algorithms and their implementation.
- Insertion sort works by inserting each element into its proper position within a sorted sub-list.
- Selection sort works by repeatedly finding the minimum element from the unsorted part and putting it at the beginning of the unsorted part.
Lab (9): Hashing
- This lab introduces the concept of hashing techniques.
- Different hash functions are explained and their advantages/disadvantages are covered.
Lab (10): Programming Problems
- This lab covers different programming problems related to data structures,
- including problems on linked lists.
Lab (10) Exercise 1: Delete Middle of Linked List
- Given a singly linked list, this task is to delete the middle node.
- If the list has an even number of nodes, it deletes the second middle node.
- If the list consists of only one node, returns NULL.
The document further covers topics such as creating linked lists, inserting nodes, deleting nodes, and searching for elements within data structures like linked-lists, stacks, queues, priority queues, and explains different sorting techniques such as bubble sort, insertion sort, and selection sort and many more.
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Description
Test your knowledge on data structures in C programming. This quiz covers the main function, queue operations, and circular linked lists among other essential topics. Challenge yourself to see how well you understand these fundamental concepts.
