题解 | #明明的随机数#

import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner scanner1 = new Scanner(System.in);
        int str1 = Integer.valueOf(scanner1.nextLine());
        int[] inarr = new int[str1];
        int s = 0;
        while(scanner1.hasNextLine() && s<str1){
            inarr[s] = scanner1.nextInt();
            s++;
        }
        int[] rs = RandomNumSort(str1,inarr);
        for(int i=0;i<rs.length;i++){
            System.out.println(rs[i]);
        }
    }
    
    public static int[] RandomNumSort(int len,int[] array){
        if(len < 1 || len > 1000 ) return null;
        Set<Integer> setArray = new HashSet<>();
        for(int i = 0;i<array.length; i++){
            setArray.add(array[i]);
        }
        int[] resArray = new int[setArray.size()];
        Iterator<Integer> iterator = setArray.iterator();
        int s = 0;
        while(iterator.hasNext() && s<setArray.size()){
            resArray[s] = iterator.next();
            s++;
        }
        //对数组进行排序
        for(int i = 0; i<resArray.length; i++){
            for(int j = resArray.length - 1; j>i; j--){
                if(resArray[i] > resArray[j]){
                    int tmp = resArray[i];
                    resArray[i] = resArray[j];
                    resArray[j] = tmp;
                }
            }
        }
        return resArray;
    }
}