awesome-go/impl/algorithms/sorting/insertion.go

32 lines
639 B
Go

package main
import "fmt"
// Insertion sort function
func insertionSort(arr []int) {
// Iterate through each element of the array
for i := 1; i < len(arr); i++ {
// Save the current element and its index
key := arr[i]
j := i - 1
// Shift all elements that are greater than the current element
// one position to the right
for j >= 0 && arr[j] > key {
arr[j+1] = arr[j]
j--
}
// Insert the current element in its correct position
arr[j+1] = key
}
}
func main() {
// Example usage
arr := []int{5, 2, 4, 6, 1, 3}
fmt.Println("Before sorting:", arr)
insertionSort(arr)
fmt.Println("After sorting:", arr)
}