Tag Archives: empty

Data structure challenge: application

Posted on April 6, 2020 by Brent

I forgot to mention this in my previous post, but the thing which got me thinking about the predecessor problem in the first place was this competitive programming problem on Open Kattis: Profitable Pizzas I challenge you to go and … Continue reading →

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Data structure challenge: solutions

Posted on April 6, 2020 by Brent

In my previous post I challenged you to find a way to keep track of a sequence of slots in such a way that we can quickly (in or better) either mark any empty slot as full, or find the … Continue reading →

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Data structure challenge: finding the rightmost empty slot

Posted on March 23, 2020 by Brent

Suppose we have a sequence of slots indexed from 1 to . Each slot can be either empty or full, and all start out empty. We want to repeatedly do the following operation: Given an index , find the rightmost … Continue reading →

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