What are some common problems that can be solved using stacks?
Stacks are useful for problems like expression evaluation, backtracking, and managing function calls.
Can you give me an example of expression evaluation using stacks?
Sure! In postfix notation, stacks can evaluate expressions like '3 4 + 2 *' to get 14.
What about backtracking? How does a stack help with that?
In backtracking, stacks help keep track of choices made, allowing you to backtrack to previous states efficiently.
Are there any real-world applications of stacks?
Yes! Stacks are used in undo mechanisms in software, parsing expressions, and managing memory in programming.
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