๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

์ฝ”๋”ฉํ…Œ์ŠคํŠธ/ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค

[Javascript] ์นดํŽซ (42842)

๋ฌธ์ œ๋งํฌ

 

์ ‘๊ทผ ๋ฐฉ๋ฒ•

๊ฐˆ์ƒ‰ ๊ฒฉ์ž์™€ ๋…ธ๋ž€์ƒ‰ ๊ฒฉ์ž๊ฐ€ ์ฃผ์–ด์ง€๋Š”๋ฐ ๊ฐˆ์ƒ‰๊ฒฉ์ž๋Š” ํ…Œ๋‘๋ฆฌ, ๋…ธ๋ž€์ƒ‰ ๊ฒฉ์ž๋Š” ๋‚ด๋ถ€์— ์žˆ๋‹ค.
์ด๋•Œ ์ „์ฒด ์นดํŽซ์˜ ๊ฐ€๋กœ๊ธธ์ด์™€ ์„ธ๋กœ๊ธธ์ด์„ ๊ตฌํ•˜๋ผ.

์กฐ๊ฑด 1. ํ…Œ๋‘๋ฆฌ๋Š” ํ•ญ์ƒ ๊ฐˆ์ƒ‰์ด๋‹ค.
์กฐ๊ฑด 2. ๊ฐ€๋กœ๊ธธ์ด๋Š” ์„ธ๋กœ๊ธธ์ด์™€ ๊ฐ™๊ฑฐ๋‚˜ ๊ธธ๋‹ค.

๊ฐˆ์ƒ‰ ํ…Œ๋‘๋ฆฌ ๊ฐœ์ˆ˜๋Š” ๊ฐ€๋กœ*2 + ์„ธ๋กœ*2 - 4
(๊ฐˆ์ƒ‰ + 4)/2 === ๊ฐˆ์ƒ‰์˜ ๊ฐ€๋กœ์™€ ์„ธ๋กœ์˜ ๊ธธ์ด ํ•ฉ
(๊ฐˆ์ƒ‰ + 4)/2 - 4 === ๋…ธ๋ž€์ƒ‰์˜ ๊ฐ€๋กœ์™€ ์„ธ๋กœ์˜ ๊ธธ์ด ํ•ฉ

์ •ํ™•ํ•œ ์ง์‚ฌ๊ฐํ˜• ๋˜๋Š” ์ •์‚ฌ๊ฐํ˜•์ด ์ฃผ์–ด์ง„ ๊ฒƒ์€ ๋…ธ๋ž€ ๊ฒฉ์ž์ด๋ฏ€๋กœ ๋…ธ๋ž€ ๊ฒฉ์ž์˜ ํฌ๊ธฐ๋ฅผ ๊ตฌํ•˜๋ฉด ๊ฐˆ์ƒ‰ ๊ฒฉ์ž์˜ ํฌ๊ธฐ๋ฅผ ๊ตฌํ•  ์ˆ˜ ์žˆ๋‹ค.

 

 

function solution(brown, yellow) {
    var answer = [];

    brownWidthHeight = (brown + 4) / 2;
    yellowWidthHeight = brownWidthHeight - 4;

    for(let i = 1; i <= yellowWidthHeight; i++){
      let yellowCarpet = i * (yellowWidthHeight-i);
      if(yellowCarpet === yellow && i >= (yellowWidthHeight-i)){
        answer = [i, yellowWidthHeight-i];
      }
    }

    answer = answer.map(e => e+2);
    
    return answer;
}