[0단계]수 조작하기2

class Solution {
    public String solution(int[] numLog) {
        String answer = "";
        for(int i=0;i<numLog.length;i++){
            if(numLog[i]-numLog[i+1]==-1){
                answer+="w";
            }else if(numLog[i]-numLog[i+1]==1){
                answer+="s";
            }else if(numLog[i]-numLog[i+1]==-10){
                answer+="d";
            }else if(numLog[i]-numLog[i+1]==10){
                answer+="a";
            }
            if(i+1 == numLog.length-1){
                break;
            }
        }
        return answer;
    }
}

다른 사람 풀이

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