프로그래머스 - 로또의 최고 순위와 최저 순위 (java)

 

class Solution {
    private int right;
    public int[] solution(int[] lottos, int[] win_nums) {
        int[] answer = new int[2];
        int count = 0;
        right = 0;
        int len = lottos.length;
        for(int i =0; i<len ;i++){
            int temp = lottos[i]; 
            if(temp == 0){
                count++;
            }else {
                checkRight(win_nums, temp);
            }
        }
        
        answer[0] = check(count+right);
        answer[1] = check(right);
        return answer;
    }
    private int check(int num){
        switch(num){
            case 6 : return 1;
            case 5 : return 2;
            case 4 : return 3;
            case 3 : return 4;
            case 2 : return 5;
            default : return 6;           
        }
    }
    private void checkRight(int[] win_nums, int temp){
        int len = win_nums.length;
        for(int j = 0; j<len;j++){
                    if(win_nums[j] == temp){
                        right++;
                        return;
                    }
            }
    }
}