Algorithmes de triIntermediate

Shell Sort

An optimization of insertion sort that allows exchange of elements that are far apart. Uses a gap sequence that decreases to 1, enabling the algorithm to move elements closer to their final positions faster. Named after Donald Shell who invented it in 1959.

#sorting#gap-sequence#insertion-sort-variant#in-place

Complexity Analysis

Time (Average)

O(n^1.25)

Expected case performance

Space

O(1)

Memory requirements

Time (Best)

O(n log n)

Best case performance

Time (Worst)

O(n²)

Worst case performance

Input Array

Implementation

Shell Sort - Algorithm Vision