[SWEA] 화섭이의 정수 나열

 

 

[문제] 

https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AWHz7xD6A20DFAVB

SW Expert Academy

 

 

[소스 코드]

import java.io.*;
import java.util.*;
public class Solution {
	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int T = Integer.parseInt(sc.next());
		for(int tc=1;tc<=T;tc++) {
			int n = Integer.parseInt(sc.next());
			String str = "";
			for(int i=0;i<n;i++) {
				str += sc.next();
			}
			int num = 0;
			while(true) {
				if(!str.contains(String.valueOf(num))) break;
				num++;
			}
			System.out.println("#"+tc+" "+num);
		}
	}
}