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Interview experiences & questions tagged Stack
Determine if the custom expression containing `{`, `}`, and `*` is balanced. The `*` can act as `{`, `}`, or represent empty.
Validate a custom expression containing '{', '}', and '*' where '*' can act as '{', '}', or empty. Check if it is balanced.
Solve a medium level problem related to stack for matching parentheses. Provide an algorithm and analyze the time complexity.
Implement a Min Stack that includes the ability to retrieve the minimum element in O(1) time. The stack should support standard stack operations: push, pop, and top.
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