문제

내 코드

class Solution {
    public String solution(int[] numLog) {
        String answer = "";
        for(int i =1; i<numLog.length; i++){
            switch(numLog[i] - numLog[i - 1]){
                case 1:
                    answer+="w";
                    break;
                case -1:
                    answer+="s";
                    break;
                case 10:
                    answer+="d";
                    break;
                case -10:
                    answer+="a";
                    break;
            }
        }
        return answer;
    }
}