[알고리즘문제풀기] 각도기

문제

내가 작성한 정답

class Solution {
    public int solution(int angle) {

        return angle<90?1:angle==90?2:angle<180?3:4;
    }
}

다른 사람들의 정답

class Solution {
    public int solution(int angle) {
        int answer = 0;
        if (angle <= 90){
            answer = angle/90 + 1;
        }
        else {
            answer = (int)Math.ceil(((double)angle+0.1)/90)+1;
        }
        return answer;
    }
}


class Solution {
    public int solution(int angle) {
        int answer = 0;
        String gak = null;
        if(0 < angle && angle < 90){
            gak = "예각";
        };
        if(angle == 90){
            gak = "직각";
        };
        if(90 < angle && angle < 180){
            gak = "둔각";
        };
        if(angle == 180){
            gak = "평각";
        };


        switch(gak){
            case "예각":
                answer = 1;
                break;
            case "직각":
                answer = 2;
                break;
            case "둔각":
                answer = 3;
                break;
            case "평각":
                answer = 4;
                break;
        }
        return answer;
    };
}