class Solution {
public int solution(String[] babbling) {
int answer = 0;
for(int i=0; i<babbling.length; i++) {
String now = babbling[i];
/// 주어진 배열 babbling의 인덱스 하나씩 꺼내 now로 정의
now = now.replaceFirst(“aya”, “0”);
now = now.replaceFirst(“ye”, “0”);
now = now.replaceFirst(“woo”, “0”);
now = now.replaceFirst(“ma”, “0”);
/// 머쓱이의 조카는 단어를 한 번씩만 발음할 수 있으니 replaceFirst,
/// 사용 가능한 발음을 없애는 과정에서 새로운 사용 가능한 발음이 나오는 것을 막기 위해 발음을 없앤 곳에 0 표시
/// Ex) yayae
now = now.replaceAll(“0”, “”);
if(now.length()==0) answer++;
/// babbling[i]의 모든 문자가 발음 가능했으면 now의 길이는 0
}
return answer;
}
}
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