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Subroutine, Subroutine nesting and Stack memory

Last Updated: 29 August 2023

In computer programming, Instructions that are frequently used in the program are termed Subroutines. This article will provide a detailed discussion on Subroutines, Subro...read more

Stack

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LIFO (Last-In-First-Out) approach in Programming

Last Updated: 01 September 2022

Prerequisites - FIFO (First-In-First-Out) approach in Programming, FIFO vs LIFO approach in ProgrammingLIFO is an abbreviation for last in, first out. It is a method for h...read more

Stack

FIFO vs LIFO approach in Programming

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FIFO is an abbreviation for first in, first out. It is a method for handling data structures where the first element is processed first and the newest element is processed...read more

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Arithmetic Expression Evaluation

Last Updated: 19 June 2023

The stack organization is very effective in evaluating arithmetic expressions. Expressions are usually represented in what is known as Infix notation, in which each operat...read more

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Flatten a binary tree into linked list | Set-2

Last Updated: 30 August 2022

Given a binary tree, flatten it into a linked list. After flattening, the left of each node should point to NULL and right should contain next node in level order.Example: ...read more

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Sorting array using Stacks

Last Updated: 12 August 2022

Given an array of elements, the task is to sort these elements using a stack.Prerequisites: StacksExamples:Input : 8 5 7 1 9 12 10Output : 1 5 7 8 9 10 12 Explanation :Ou ...read more

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Data Structures | Stack | Question 8

Last Updated: 28 June 2021

A single array A[1..MAXSIZE] is used to implement two stacks. The two stacks grow from opposite ends of the array. Variables top1 and top2 (topl top 2) point to the locati ...read more

Data Structures | Stack | Question 7

Last Updated: 28 June 2021

Let S be a stack of size n = 1. Starting with the empty stack, suppose we push the first n natural numbers in sequence, and then perform n pop operations. Assume that Push ...read more

Data Structures | Stack | Question 6

Last Updated: 28 June 2021

The following postfix expression with single digit operands is evaluated using a stack: 8 2 3 ^ / 2 3 * + 5 1 * - Note that ^ is the exponentiation operator. ...read more

Data Structures | Stack | Question 5

Last Updated: 09 February 2013

Following is an incorrect pseudocode for the algorithm which is supposed to determine whether a sequence of parentheses is balanced:[tabby title="C"][sourcecod ...read more

Data Structures | Stack | Question 4

Last Updated: 09 February 2013

Consider the following pseudocode that uses a stack[tabby title="C"][sourcecode language="c"] declare a stack of characters while ( there are more characte ...read more

Data Structures | Stack | Question 3

Last Updated: 05 February 2013

Which of the following is true about linked list implementation of stack?(A) In push operation, if new nodes are inserted at the beginning of linked list, then in pop oper ...read more

Data Structures | Stack | Question 2

Last Updated: 08 January 2013

Which one of the following is an application of Stack Data Structure?(A) Managing function calls(B) The stock span problem(C) Arithmetic expression evaluation(D) All of th ...read more

Data Structures | Stack | Question 1

Last Updated: 08 January 2013

Following is C like pseudo code of a function that takes a number as an argument, and uses a stack S to do processing.[sourcecode language="C"]void fun(int n){ Stack S; ...read more