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A puzzle related to algorithms (a main concept in computer science). Puzzles may ask for an algorithm as an answer or require the analysis of a given algorithm.

8 votes
2 answers
238 views

How to beat "Strata"?

Recently I purchased a bunch of mobile puzzle games for my iPhone and one of them was the famous top-rated app "Strata" by Graveck. The rules are simple - you begin with an $n \times n$ board, some sq …
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8 votes
Accepted

Cubical Infection

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  • 6,964
12 votes
Accepted

Checkerboard Infection: The Aftermath

EDITED - thanks to @Meelo for pointing out my mistake. We can do it in We place the C.Coli's at a4, a8, b2, c1, e2, g1, h3, h6. Now we prove that this is optimal. Every day there are either 1 new …
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  • 6,964