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<p><a href="../../d6/d2e/fenwick__tree_8cpp_source.html">Go to the source code of this file.</a></p>
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<div class="textblock"><p><a href="https://en.wikipedia.org/wiki/Fenwick_tree" target="_blank">Fenwick Tree</a> algorithm implementation </p>
<p><em>From Wikipedia, the free encyclopedia.</em></p>
<p>A Fenwick tree or binary indexed tree (BIT) is a clever implementation of a datastructure called bionomal tree. It can update values and solve range queries with operations that is; commulative, associative and has an inverse for this type of element. It can also solve immutable range queries (min/max), when operations only are associative over this type of element. Some of these restrictions can be removed, by storing redunant information; like in max/min range queries.</p>
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