[알고리즘문제풀기] 다음에 올 숫자

문제

내가 작성한 오답

class Solution {
    public int solution(int[] common) {
        int answer = 0;
        if(common[1]/common[0]==common[2]/common[1]){
            answer = common[common.length-1]*(common[1]/common[0]);
        } else{
            answer = common[common.length-1]+(common[1]-common[0]);
        }
        return answer;
    }
}

내가 작성한 정답

class Solution {
    public int solution(int[] common) {
        int answer = 0;
        if(common[1]-common[0]==common[2]-common[1]){
            answer = common[common.length-1]+(common[1]-common[0]);
        } else{
            answer = common[common.length-1]*(common[1]/common[0]);
        }
        return answer;
    }
}