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๐Ÿƒ‍โ™€๏ธprogrammers/Java

หšโ‚Šโœฉโ€งโ‚Š ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค java - ์น˜ํ‚จ ์ฟ ํฐ หšโ‚Šโœฉโ€งโ‚Š

HYEJU01 2024. 6. 12. 15:35
์ฒด๊ฐ Level : โ˜…โ˜…โ˜†
Review: ๋‚˜๋ˆ—์…ˆ, ๋‚˜๋จธ์ง€ ํ™œ์šฉ

 

๐Ÿ’ก ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์น˜ํ‚จ์€ ์น˜ํ‚จ์„ ์‹œ์ผœ๋จน์œผ๋ฉด ํ•œ ๋งˆ๋ฆฌ๋‹น ์ฟ ํฐ์„ ํ•œ ์žฅ ๋ฐœ๊ธ‰ํ•ฉ๋‹ˆ๋‹ค. ์ฟ ํฐ์„ ์—ด ์žฅ ๋ชจ์œผ๋ฉด ์น˜ํ‚จ์„ ํ•œ ๋งˆ๋ฆฌ ์„œ๋น„์Šค๋กœ ๋ฐ›์„ ์ˆ˜ ์žˆ๊ณ , ์„œ๋น„์Šค ์น˜ํ‚จ์—๋„ ์ฟ ํฐ์ด ๋ฐœ๊ธ‰๋ฉ๋‹ˆ๋‹ค. ์‹œ์ผœ๋จน์€ ์น˜ํ‚จ์˜ ์ˆ˜ chicken์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ ๋ฐ›์„ ์ˆ˜ ์žˆ๋Š” ์ตœ๋Œ€ ์„œ๋น„์Šค ์น˜ํ‚จ์˜ ์ˆ˜๋ฅผ return

 

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

 

 

[์ฐธ๊ณ ]

 

1) while ์น˜ํ‚จ์ด 10๋งˆ๋ฆฌ ์ด์ƒ์ผ๋•Œ๊นŒ์ง€

2) service =  ์น˜ํ‚จ์„ 10์œผ๋กœ ๋‚˜๋ˆˆ ๊ฐ’๋งŒํผ ์น˜ํ‚จ์„ ๋ฐ›์Œ (+ ์„œ๋น„์Šค ์ฟ ํฐ)  << ๊ณ„์†ํ•ด์„œ ์น˜ํ‚จ์„ / 10 ํ•ด์ค€๋‹ค. 

3) nmg = ๋‚จ์€ ์น˜ํ‚จ ์ฟ ํฐ (10์ด ์•ˆ๋œ)

4) ์น˜ํ‚จ =  ์„œ๋น„์Šค ์ฟ ํฐ + ๋‚จ์€ ์ฟ ํฐ

5) ๊ฒฐ๊ณผ = ์น˜ํ‚จ ๋งˆ๋ฆฌ ์ˆ˜ ๋ˆ„์ 

 

 

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

 

 

 


 

[์‹คํŒจ] ์žฌ๊ท€์ ์œผ๋กœ ๊ณ„์†ํ•ด์„œ ๋‚˜๋ˆ„๊ณ  , ๋‚˜๋จธ์ง€ ๊ตฌํ•˜๋Š” ๊ฑด ์•Œ๊ฒ ๋Š”๋ฐ ์ˆ˜์‹์„ ์งœ์ง€ ๋ชปํ–ˆ๋‹ค......

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

        answer = chicken / 10;
        if (answer % 10 == 0){
            answer += answer / 10;
        }

            
        /*
                tmp = chicken % 10;
        if ((answer) % 10 == 0){
            answer /= 10;
        }
        
        s_chicken = ; //108 
        coupon = chicken % 10; // 1 
        s_chicken2 = s_chicken / 10; //10 
        coupon2 = s_chicken2  %10 // 8
        s_chicken3 = s_chicken2  / 10; //1
        coupon3 = s_chicken3 % 10; // 0
        */

        return answer;
    }
}