EBK DATA STRUCTURES AND ALGORITHMS IN C
4th Edition
ISBN: 9781285415017
Author: DROZDEK
Publisher: YUZU
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Chapter 4, Problem 2E
Program Plan Intro
Stack:
Stack is a container in which elements inserted and removed in LIFO (Last In First Out) manner.
- “top” is address of top element of stack.
- Basic stack operations are given below:
- push(): Insert an object into stack top.
- pop(): Delete object in stack top.
- top(): Get object in stack top.
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Create a stack S of ten elements. Take a number x from the user anddelete the elements smaller than or equal to X from the stack.
A drop-out stack is a data structure that acts just like a stack except that if the stack size is n, and the n + 1 element is pushed, the first element is lost. Using an array, create a drop-out stack. (Hint: A circular array implementation would be appropriate.)
Stack stores elements in an ordered list and allows insertions and deletions at one end.
The elements in this stack are stored in an array. If the array is full, the bottom item is dropped from the stack. In practice, this would be equivalent to overwriting that entry in the array. And if top method is called then it should return the element that was entered recently.
Chapter 4 Solutions
EBK DATA STRUCTURES AND ALGORITHMS IN C
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- Use a stack to reverse the input integer values. Check the stack grows as more elements are pushed. Use with and without function pointer in each of the problem (Please give correct answer with explanation)arrow_forwardShow the contents of the stack as you trace the algorithm check balancearrow_forwardDetermine the stack's efficacy when allowed to be who it is.arrow_forward
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- Stack: push(x) adds x to top of stack pop() removes top element of stack and returns it size() returns number of elements in stack Select all options that allow for an efficient implementation based on the discussions from class. For any array implementation, you can assume the array is large enough so that making a larger one is not needed when pushing an item to the stack. Using an array with the top at the front of the array. Using an array with the top at the back of the array. Using a singly linked list with the top at the head of the list. Using a singly linked list with the top at the tail of the list. None of these choices allows for an efficient implementation of all methods.arrow_forwardComputer Science In a stack with 15 elements assume that the data elements are integer values. Write afunction that pops the elements one by one, add 5 to each integer and push the elementback to the stack.arrow_forwardConsider the Stack ADT: Stack: push(x) adds x to top of stack pop() removes top element of stack and returns it size() returns number of elements in stack Select all options that allow for an efficient implementation based on the discussions from class. For any array implementation, you can assume the array is large enough so that making a larger one is not needed when pushing an item to the stack. Using an array with the top at the front of the array. Using an array with the top at the back of the array. Using a singly linked list with the top at the head of the list. Using a singly linked list with the top at the tail of the list. ENGarrow_forward
- A data structure known as a drop-out stack functions exactly like a stack, with the exception that if the stack size is n, the first element is lost when the n + 1 element is pushed. Use an array to implement a drop-out stack. (Hint: It would make sense to implement a circular array.)arrow_forwardAdd remain code and explanation of whole code. Given a stack, a function is_consecutive takes a stack as a parameter and thatreturns whether or not the stack contains a sequence of consecutive integersstarting from the bottom of the stack (returning true if it does, returningfalse if it does not). For example:bottom [3, 4, 5, 6, 7] topThen the call of is_consecutive(s) should return true.bottom [3, 4, 6, 7] topThen the call of is_consecutive(s) should return false.bottom [3, 2, 1] topThe function should return false due to reverse order. Note: There are 2 solutions:first_is_consecutive: it uses a single stack as auxiliary storagesecond_is_consecutive: it uses a single queue as auxiliary storage"""import collections def first_is_consecutive(stack): storage_stack = [] for i in range(len(stack)): first_value = stack.pop() if len(stack) == 0: # Case odd number of values in stack return True second_value = stack.pop() if first_value -…arrow_forwardLet S be a stack with the following elements, 6,13,15,17,35,45,20,55. Implement the stack using an Array and Linked-listarrow_forward
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