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Stack

  • Implementation of an interpreter for a small language that does multiplication/addition/etc.
  • Design a MinStack data structure that supports a min() operation that returns the minimum value in the stack in O(1) time.
  • Write an algorithm to determine if all of the delimiters in an expression are matched and closed.
    • E.g. {ac[bb]}, [dklf(df(kl))d]{} and {[[[]]]} are matched. But {3234[fd and {df][d} are not.
    • Source
  • Sort a stack in ascending order using an additional stack.