[JAVA] 프로그래머스 - 치킨 쿠폰

https://school.programmers.co.kr/learn/courses/30/lessons/120884

프로그래머스

 

 

 

 

 

정답 

 

class Solution {
    public int solution(int chicken) {
        int answer = 0;
        int coupon = chicken;
        
        while(coupon>9)
        {
            answer+=coupon/10;
            int service = coupon/10;
            int left = coupon%10;
            coupon = left+service;
        }
        return answer;
    }
}

 

 

 

다른 사람의 풀이 

 

class Solution {
    public int solution(int chicken) {
        int coupon = chicken;

        int service = 0;
        int mod = 0;
        int ans = 0;

        while(coupon >=10){
            service = coupon/10;
            mod = coupon%10;
            ans += service;

            coupon = service+mod;

        }        

        return ans;
    }
}

 

 

class Solution {
    public int solution(int chicken) {
        int answer = 0;

        while(true){
            int temp = chicken/10;
            chicken = temp+chicken%10;
            answer += temp;
            if(temp==0){
                break;
            }
        }


        return answer;
    }
}