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refactor: change function sign for QuickSort

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dudaodong
2022-08-22 11:02:25 +08:00
parent 36169874e5
commit 24f18aaaec
4 changed files with 12 additions and 8 deletions
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10
algorithm/sort.go
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@@ -65,11 +65,15 @@ func ShellSort[T any](slice []T, comparator lancetconstraints.Comparator) {
}
// QuickSort quick sorting for slice, lowIndex is 0 and highIndex is len(slice)-1
func QuickSort[T any](slice []T, lowIndex, highIndex int, comparator lancetconstraints.Comparator) {
func QuickSort[T any](slice []T, comparator lancetconstraints.Comparator) {
quickSort(slice, 0, len(slice)-1, comparator)
}
func quickSort[T any](slice []T, lowIndex, highIndex int, comparator lancetconstraints.Comparator) {
if lowIndex < highIndex {
p := partition(slice, lowIndex, highIndex, comparator)
QuickSort(slice, lowIndex, p-1, comparator)
QuickSort(slice, p+1, highIndex, comparator)
quickSort(slice, lowIndex, p-1, comparator)
quickSort(slice, p+1, highIndex, comparator)
}
}

2
algorithm/sort_test.go
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@@ -141,7 +141,7 @@ func TestQuickSort(t *testing.T) {
{Name: "e", Age: 28},
}
comparator := &peopleAgeComparator{}
QuickSort(peoples, 0, len(peoples)-1, comparator)
QuickSort(peoples, comparator)
expected := "[{d 8} {b 10} {c 17} {a 20} {e 28}]"
actual := fmt.Sprintf("%v", peoples)

4
docs/algorithm.md
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@@ -248,7 +248,7 @@ func main() {
<b>Signature:</b>
```go
func QuickSort[T any](slice []T, lowIndex, highIndex int, comparator lancetconstraints.Comparator)
func QuickSort[T any](slice []T comparator lancetconstraints.Comparator)
```
<b>Example:</b>
@@ -278,7 +278,7 @@ func main() {
intSlice := []int{2, 1, 5, 3, 6, 4}
comparator := &intComparator{}
algorithm.QuickSort(intSlice, 0, len(intSlice)-1, comparator)
algorithm.QuickSort(intSlice, comparator)
fmt.Println(intSlice) //[]int{1, 2, 3, 4, 5, 6}
}

4
docs/algorithm_zh-CN.md
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@@ -249,7 +249,7 @@ func main() {
<b>函数签名:</b>
```go
func QuickSort[T any](slice []T, lowIndex, highIndex int, comparator lancetconstraints.Comparator) []T
func QuickSort[T any](slice []T, comparator lancetconstraints.Comparator) []T
```
<b>Example:</b>
@@ -279,7 +279,7 @@ func main() {
intSlice := []int{2, 1, 5, 3, 6, 4}
comparator := &intComparator{}
algorithm.QuickSort(intSlice, 0, len(intSlice)-1, comparator)
algorithm.QuickSort(intSlice, comparator)
fmt.Println(intSlice) //[]int{1, 2, 3, 4, 5, 6}
}