class Solution {
public int solution(String skill, String[] skill_trees) {
int answer = 0;
for(int i = 0; i < skill_trees.length; i++) {//i번째 스킬트리
int compare = 0;
String fullSkill = skill_trees[i];
label:
for(int j = 0; j < fullSkill.length(); j++) {
for(int k = 0; k < skill.length(); k++)
if(fullSkill.charAt(j) == skill.charAt(k)) {
if(k == compare)
compare++;
else {
compare = -1;
break label;
}
break;
}
}
if(compare != -1)
answer += 1;
}
return answer;
}
}