Behavioral Design Patterns in C++ - Slide Deck - IV

The video tutorial addresses an issue in a slide deck application using the observer pattern, where unnecessary slides are displayed upon updates. The instructor proposes a design tweak to ensure only modified slides are updated, using a combination of push and pull models. The solution involves sending the index of the changed slide to the views, optimizing the notification mechanism. The video concludes with a demonstration of the improved output and hints at further optimization in future lectures.

What is the significance of using the index of the slide that has changed?

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Describe the changes made to the view classes to handle slide updates.

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In what scenario will all slides be displayed on the screen according to the teacher's explanation?

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