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Stacks
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Total cards: 4•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (4)
#1
Front (Question)
What is a stack?
Back (Answer)
A last in first out (LIFO) data structure where the last item to be added/pushed is the first item to be removed/popped
#2
Front (Question)
What are some uses of stack:
Back (Answer)
• Performing depth first search (DFS) on graphs • Backtracking algorithms • Keeping track of users inputs for undo operations • Used by processor to track flow of programs
#3
Front (Question)
What is a stack overflow ?⚠️
Back (Answer)
A stack overflow is an attempt to push an item onto a full stack
#4
Front (Question)
What is a stack underflow? ⚠️
Back (Answer)
A stack underflow is an attempt to pop of an item of an empty stack