一直报输入错误,还能AC 奇了怪了

import java.util.*;

public class Main {
    static int N=100010;
    static boolean[] flag=new boolean[N];
    static int res1;
    static int res2;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int min=Integer.MAX_VALUE;
        int max=Integer.MIN_VALUE;
        sc.nextLine();
        while(n-->0) {
            String[] str = sc.nextLine().split(" ");
            for (int i = 0; i <str.length; i++) {
                // System.out.print(str[i]+" ");
                int t = Integer.parseInt(str[i]);
                min=Math.min(t, min);
                max=Math.max(t, max);
                if(flag[t]) res2=t;
                flag[t]=true;
            }
        }
        for (int i =min; i <=max; i++) {
            if(!flag[i]) {
                res1=i;
                break;
            }
        }
        System.out.println(res1+" "+res2);
    }

}