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Saad Taame
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Optimal Coloring of Chordal Graphs
How to optimally color a graph in polynomial time ? This problem is NP-complete in general but there are classes of graphs for which there exist polynomial time algorithms: trees are a very good example. In this post, we will explore a not-so-famous class o...

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Fenwick Trees
The Fenwick Tree is an elegant data structuring technique that helps solve the following problem. Given an array of numbers we would like to be able to: Update the element at a given position. Answer range sum queries. The Fenwick tree is very easy to imple...

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Algorithm and Data Structure Demos
I started a project to help visualize algorithms and data structures. The aim is to help learners grasp the problem/algorithm by visualizing the output. The code is hosted on Github and the project is a work in progress. The Github repository will grow to c...
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