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๐Ÿƒ‍โ™€๏ธprogrammers/Java

หšโ‚Šโœฉโ€งโ‚Š ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค - java ํ”ผ์ž ๋‚˜๋ˆ  ๋จน๊ธฐ (1) หšโ‚Šโœฉโ€งโ‚Š

HYEJU01 2024. 5. 15. 12:11
์ฒด๊ฐ Level : โ˜… โ˜† โ˜†
Review: ์กฐ๊ฑด ๋ถ„ํ• ํ•˜๋Š” ๋ฐฉ๋ฒ•!!

 

๐Ÿ’ก๋ชจ๋“ ์‚ฌ๋žŒ์ด ํ”ผ์ž๋ฅผ ํ•œ์กฐ๊ฐ ์ด์ƒ ๋จน๊ธฐ ์œ„ํ•œ ๋ฐฉ๋ฒ•์„ ์งœ์•ผํ•œ๋‹ค.

 

์ผ๋‹จ ์ด ๊ฒฝ์šฐ ์กฐ๊ฑด์„ ๋‚˜๋ˆ ์ฃผ์—ˆ๋‹ค.

1) ์‚ฌ๋žŒ์˜ ์ˆ˜๊ฐ€ 7๋ช…์œผ๋กœ ๋‚˜๋ˆ  ๋–จ์–ด์ง€๋Š” ๊ฒฝ์šฐ => 7๋กœ ๋‚˜๋ˆ ์ฃผ๋ฉด ๋œ๋‹ค.

2) ๋‚˜๋ˆ  ๋–จ์–ด์ง€์ง€ ์•Š๋Š” ๊ฒฝ์šฐ 
2-1) 7๋ณด๋‹ค ์ž‘์€ ๊ฒฝ์šฐ => 1ํŒ๋งŒ ์‹œํ‚ค๋ฉด ๋œ๋‹ค.

2-2) 7๋ณด๋‹ค ํฐ ๊ฒฝ์šฐ => ์ผ๋‹จ 7๋กœ ๋‚˜๋ˆ„๋Š”๋ฐ ์ด ๊ฒฝ์šฐ ํ”ผ์ž ์กฐ๊ฐ์ด ๋ถ€์กฑํ•˜๊ฒŒ ๋˜๋ฏ€๋กœ +1ํŒ์„ ํ•ด์ฃผ๋ฉด ๋œ๋‹ค.

 

 

class Solution {
    public int solution(int n) {
        int answer = 0;
        
        //7 ์กฐ๊ฐ
        
        if ( n % 7 == 0) {
            answer = n/7;
        }else {
            if ( n < 7 ){
                answer = 1;
            }else {
                answer = n/7 + 1;
            }
        }
        
        
        return answer;
    }
}