W3Schools 線上編輯器 - W3Schools 教學

Python

Java

#include <stdio.h>

void quicksort(int array[], int low, int high);
int partition(int array[], int low, int high);

int main() {
    int myArray[] = {64, 34, 25, 12, 22, 11, 90, 5};
    int n = sizeof(myArray) / sizeof(myArray[0]);

quicksort(myArray, 0, n - 1);

printf("Sorted array: ");
    for (int i = 0; i < n; i++) {
        printf("%d ", myArray[i]);
    }
    return 0;
}

void quicksort(int array[], int low, int high) {
    if (low < high) {
        int pivotIndex = partition(array, low, high);
        quicksort(array, low, pivotIndex - 1);
        quicksort(array, pivotIndex + 1, high);
    }
}

int partition(int array[], int low, int high) {
    int pivot = array[high];
    int i = low - 1;

for (int j = low; j < high; j++) {
        if (array[j] <= pivot) {
            i++;
            int temp = array[i];
            array[i] = array[j];
            array[j] = temp;
        }
    }

int temp = array[i + 1];
    array[i + 1] = array[high];
    array[high] = temp;
    return i + 1;
}

//C

public class Main {
    public static void main(String[] args) {
        int[] myArray = {64, 34, 25, 12, 22, 11, 90, 5};
        quicksort(myArray, 0, myArray.length - 1);

System.out.print("Sorted array: ");
        for (int value : myArray) {
            System.out.print(value + " ");
        }
    }

public static void quicksort(int[] array, int low, int high) {
        if (low < high) {
            int pivotIndex = partition(array, low, high);
            quicksort(array, low, pivotIndex - 1);
            quicksort(array, pivotIndex + 1, high);
        }
    }

public static int partition(int[] array, int low, int high) {
        int pivot = array[high];
        int i = low - 1;

for (int j = low; j < high; j++) {
            if (array[j] <= pivot) {
                i++;
                int temp = array[i];
                array[i] = array[j];
                array[j] = temp;
            }
        }

int temp = array[i + 1];
        array[i + 1] = array[high];
        array[high] = temp;
        return i + 1;
    }
}

//Java