[JAVA] 모음사전

class Solution {
    String alpha="AEIOU";
    String a;
    int answer=0;
    int cnt=0;
    public int solution(String word) {
        String s="";
        a=word;
        bf(s);
        return answer;
    } 
    public void bf(String s){  
        if(s.length()>5)
            return;
        if(s.equals(a)){
            answer=cnt;
            return;
        }
        cnt++;
        for(int i=0;i<alpha.length();i++){
            bf(s+alpha.charAt(i));
        }        
    }
}
 

출처: https://school.programmers.co.kr/learn/courses/30/lessons/84512

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