Kth order statistic

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Problem Description

the kth order statistic of a statistical sample is equal to its kth-smallest value.

Bounds Chart

Kth order statisticBoundsChart.png

Step Chart

Kth order statisticStepChart.png

Improvement Table

Complexity Classes Algorithm Paper Links Lower Bounds Paper Links
Exp/Factorial
Polynomial > 3
Cubic
Quadratic
nlogn Naive Selection (1940)
Linear Hoare's Selection Algorithm (QuickSelect) (1961)
Hashing (1940)
logn