For our first stack example, we'll look at a very simple task: reversing a word. When you run the programme, it prompts you to enter a word. When you press Enter, the word is displayed with the letters in reverse order. To invert the letters, a stack is utilised. The characters are retrieved from the input string one by one and pushed onto the stack first. They are then removed from the stack and presented. The stack reverses the order of the characters due to its last-in-first-out property. The reverse.cpp program's code is shown.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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For our first stack example, we'll look at a very simple task: reversing a word. When you run the programme, it prompts you to enter a word. When you press Enter, the word is displayed with the letters in reverse order.
To invert the letters, a stack is utilised. The characters are retrieved from the input string one by one and pushed onto the stack first. They are then removed from the stack and presented. The stack reverses the order of the characters due to its last-in-first-out property. The reverse.cpp program's code is shown.

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