A stack is a data structure that organizes data into a list where the last item added to the list is the first one to be removed from the list. This is referred to as a LAST-IN-FIRST-OUT list.

A stack is used for things like undo and redo and backward and forward arrows in a web browser.

Increasing the pancake limits

A stack is a data structure that organizes data into a list where the last item added to the list is the first one to be removed from the list. This is referred to as a LAST-IN-FIRST-OUT list.