29 lines
479 B
Go
29 lines
479 B
Go
package algorithms
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// BinaryInsertionSort is an implementation of binary insertion sort algorithm.
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// Wikipedia: https://en.wikipedia.org/wiki/Insertion_sort#Variants
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func BinaryInsertionSort(a []int) []int {
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for i := 1; i < len(a); i++ {
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v := a[i]
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low := 0
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high := i
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for low < high {
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mid := low + (high-low)/2
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if v < a[mid] {
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high = mid
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} else {
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low = mid + 1
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}
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}
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for j := i; j > low; j-- {
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a[j] = a[j-1]
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}
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a[low] = v
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}
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return a
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}
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