func main() {
flag.Parse()
if infile != nil {
fmt.Println("infile=", *infile, "outfile=", *outfile, "algorithm=", *algorithm)
}
values, err := readValues(*infile)
if err == nil {
t1 := time.Now()
switch *algorithm {
case "qsort":
qsort.QuickSort(values)
case "bubblesort":
bubblesort.BubbleSort(values)
case "mergesort":
values = mergesort.MergeSort(values)
default:
fmt.Println("Sorting algorithm", *algorithm, "is either unknown or unsupported.")
}
t2 := time.Now()
fmt.Println("The sorting process costs", t2.Sub(t1), "to complete.")
writeValues(values, *outfile)
} else {
fmt.Println(err)
}
}
func main() {
flag.Parse()
if infile != nil {
fmt.Println("infile=", *infile, ", outfile=", *outfile, ", algorithm=", *algorithm)
values, err := readValues(*infile)
if err == nil {
fmt.Println("Read values:", values)
} else {
fmt.Println(err)
return
}
t1 := time.Now()
if *algorithm == "qsort" {
qsort.QuickSort(values)
} else if *algorithm == "bubblesort" {
bubblesort.BubbleSort(values)
} else {
fmt.Println("Sorting algorithm", *algorithm, "is either unknown or unsupported.")
}
t2 := time.Now()
fmt.Println("The sorting process costs", t2.Sub(t1), "to complete.")
err = writeValues(values, *outfile)
if err == nil {
fmt.Println("Write values:", values)
} else {
fmt.Println(err)
return
}
}
}
func main() {
flag.Parse()
if infile != nil {
fmt.Println("infile=", *infile, "outfile=", *outfile, "algorithm =", *algorithm)
}
values, err := readValues(*infile)
if err == nil {
t1 := time.Now()
switch *algorithm {
case "qsort":
qsort.QuickSort(values)
case "bubblesort":
bubblesort.BubbleSort(values)
default:
fmt.Println("Sorting algorithm", *algorithm, "is either unkonw or unsupported.")
}
t2 := time.Now()
fmt.Println(*algorithm, "算法耗时:", t2.Sub(t1))
writeValues(values, *outfile)
} else {
fmt.Println(err)
}
}
func main() {
flag.Parse()
if infile != nil {
fmt.Println("infile =", *infile, "outfile =", *outfile, "algorithm =", *algorithm)
}
values, err := readValues(*infile)
if err != nil {
fmt.Println(err)
} else {
fmt.Println("Read values", values)
t1 := time.Now()
switch *algorithm {
case "qsort":
{
qsort.QuickSort(values)
}
case "bubblesort":
{
bubblesort.BubbleSort(values)
}
default:
fmt.Println("Sorting algorithm", *algorithm, "is either unknown orunsupported.")
}
t2 := time.Now()
fmt.Println("The sorting process takes", t2.Sub(t1), "to complete.")
err := writeValues(values, *outfile)
fmt.Println("Write values", values)
if err != nil {
fmt.Println(err.Error())
return
}
}
}