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More about segment tree origin

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Antti H S Laaksonen 2017-04-17 20:22:56 +03:00
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@ -744,9 +744,10 @@ takes $O(1)$ time using bit operations.
\index{segment tree}
A \key{segment tree}\footnote{The origin of this structure is unknown.
A \key{segment tree}\footnote{Quite similar structures were used
in the late 1970's to solve geometric problems \cite{ben80}.
The bottom-up-implementation in this chapter corresponds to
the implementation in \cite{sta06}.} is a data structure
that in \cite{sta06}.} is a data structure
that supports two operations:
processing a range query and
modifying an element in the array.