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Abstract Data Types
ADTs classify data structures based on usage and behavior, providing an understanding of the interface and responses.
Excel in math and science
Master concepts by solving fun, challenging problems.
It's hard to learn from lectures and videos
Learn more effectively through short, conceptual quizzes.
Our wiki is made for math and science
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examples, and problems from the community.
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Concept Quizzes
Consider the standard algorithm for converting a decimal number (base 10) into a binary number (base 2). This algorithm makes use of a single stack.
How many times will an item be pushed to this stack if the number to be converted is \(1048596\)?
Excel in math and science
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Given a contiguous histogram each of integer height and unit width, write a program that finds the maximum possible rectangular area.
For the histogram above, the maximum area is \(6\times4=24\). What is the maximum area for the following data table?
Note
There are many ways to approach this question, but an efficient way of solving this is using stacks.
Excel in math and science
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A polish expression or postfix expression is a notational form for logic, arithmetic, and algebra which places operators to the left of their operands. What is the value of the polish expression below when evaluated?
\[\large{35\ 17\ 40\ 9\ - * + 7 - }\]