题解 | 明明的随机数

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        int length = in.nextInt();
        int[] ints = new int[length];
        ints[0] = in.nextInt(); //默认插入第一个元素
        int index = 1; //记录去重后的最大下标
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int b = in.nextInt();
            boolean is = true;
            for (int i = 0; i < index; i++) {
                if (ints[i] == b) { //去重
                    is = false;
                    break;
                }
                if ( ints[i] > b ) { //冒泡排序
                    int temp = ints[i];
                    ints[i] = b;
                    b = temp;
                }
            }
            if (is) {
                ints[index] = b;
                index++;
            }
        }
        for (int i = 0; i < index; i++) {
            System.out.println(ints[i]); //打印结果
        }
    }
}