Last active
August 17, 2017 20:29
-
-
Save Horaddrim/cc5dd03d323fcb378c8b90bc411a2a85 to your computer and use it in GitHub Desktop.
A simple quicksort algorithm implementation :D And just for doc, I'm loving Golang! It's amazing!!! :D
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package main | |
import ( | |
"fmt" | |
"os" | |
"strconv" | |
) | |
func main(){ | |
entrada := os.Args[1:] | |
numeros := make([]int, len(entrada)) | |
for i,n := range entrada{ | |
numero, err := strconv.Atoi(n) | |
if err != nil { | |
fmt.Printf("%s não é um numero válido! ",n) | |
os.Exit(1) | |
} | |
numeros[i] = numero | |
} | |
fmt.Println(quicksort(numeros)) | |
} | |
func quicksort(numeros []int) []int{ | |
if len(numeros) <= 1{ | |
return numeros | |
} | |
n := make([]int, len(numeros)) | |
copy(n, numeros) | |
indicePivo := len(n) / 2 | |
pivo := n[indicePivo] | |
n = append(n[:indicePivo],n[indicePivo + 1:]...) | |
menores, maiores := particionar(n, pivo) | |
return append(append(quicksort(menores),pivo), | |
quicksort(maiores)...) | |
} | |
func particionar(numeros []int, pivo int)(menores, maiores []int){ | |
for _,n := range numeros{ | |
if n <= pivo{ | |
menores = append(menores, n) | |
} else { | |
maiores = append(maiores, n) | |
} | |
} | |
return menores, maiores | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment