题解 | #明明的随机数#

import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int numoftest = scanner.nextInt();
        int[] nums = new int[numoftest];
        for (int i = 0; i < numoftest; i++) {
            nums[i] = scanner.nextInt();
        }
        process(nums);
    }

    public static void process(int[] nums) {
        // 删除重复数字
        Arrays.sort(nums);
        int slow = 0, fast = 0;
        int len = nums.length;
        while (fast < len) {
            if (nums[fast] != nums[slow]) {
                slow ++;
                nums[slow] = nums[fast];
            }
            fast ++;
        }
        for (int i = 0; i <= slow; i++) {
            System.out.println(nums[i]);
        }

    }

}