[SWEA] 외로운 문자

 

 

[문제]

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

SW Expert Academy

 

 

[소스 코드]

import java.io.*;
import java.util.*;
public class Solution {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int T = Integer.parseInt(br.readLine());
		for(int tc=1;tc<=T;tc++) {
			String str = br.readLine();
			int[] cnt = new int[26];
			for(int i=0;i<str.length();i++) {
				int idx = str.charAt(i) - 'a';
				cnt[idx]++;
			}
			String result = "";
			for(int i=0;i<26;i++) {
				if(cnt[i]%2!=0) {
					result += String.valueOf((char)(i+'a'));
				}
			}
			if(result.equals("")) System.out.println("#"+tc+" Good");
			else System.out.println("#"+tc+" "+result);
		}
	}
}