quickselect造句

It is functionally equivalent to quickselect, but runs faster in practice on average.
Furthermore, the Statistics : : CaseResampling module provides a function to calculate quantiles using quickselect.
Therefore, a single recursive call locates the desired element in the correct partition, and we build upon this for quickselect:
The algorithm finds an approximate median in linear time this is the key step which is then used as a pivot in quickselect.
In the original paper the algorithm was referred to as "'PICK "', referring to quickselect as " FIND ".
It's difficult to find quickselect in a sentence. 用quickselect造句挺难的

However, instead of recursing into both sides, as in quicksort, quickselect only recurses into one side the side with the element it is searching for.
As with quicksort, quickselect is generally implemented as an in-place algorithm, and beyond selecting the'th element, it also partially sorts the data.
One can combine basic quickselect with median of medians as fallback to get both fast average case performance and linear worst-case performance; this is done in introselect.
Quickselect uses the same overall approach as quicksort, choosing one element as a pivot and partitioning the data in two based on the pivot, accordingly as less than or greater than the pivot.
There is the requirement that this takes linear time on average, but there is no worst-case requirement; these requirements are exactly met by quickselect, for any choice of pivot strategy.

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