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  • Java快排

    package quickSort;
    /**
     * 快速排序
     * @author root
     *
     */
    public class QuickSort {
    
    	static int[] data = {0,2,4,5,3,1,7,6};
    	
    	public static void main(String[] args) {
    		// TODO Auto-generated method stub
    		sort(data, 0, data.length-1);
    		print(data);
    	}
    	//快速排序
    	public static void sort(int[] data, int low, int high){
    		if(low<high){
    			int mid = partition(data, low, high);
    			sort(data, low, mid-1);
    			sort(data, mid+1, high);
    		}
    	}
    	//以某个数字为枢轴,小的在其左,大的在其右
    	public static int partition(int[] data, int low, int high){
    		int temp = data[low];
    		while(low<high){
    			while(low<high && data[high]>temp)
    				high--;
    			data[low]=data[high];
    			while(low<high && data[low]<temp)
    				low++;
    			data[high]=data[low];
    		}
    		data[low]=temp;
    		return low;
    	}
    	
    	public static void print(int[] data){
    		for(int i=1; i<data.length; i++){
    			System.out.println(data[i]);
    		}
    	}
    }
    

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  • 原文地址:https://www.cnblogs.com/yan456jie/p/5369380.html
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