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์Œ์–‘ ๋”ํ•˜๊ธฐ

 

๋ฌธ์ œ ์„ค๋ช… 

์–ด๋–ค ์ •์ˆ˜๋“ค์ด ์žˆ์Šต๋‹ˆ๋‹ค. ์ด ์ •์ˆ˜๋“ค์˜ ์ ˆ๋Œ“๊ฐ’์„ ์ฐจ๋ก€๋Œ€๋กœ ๋‹ด์€ ์ •์ˆ˜ ๋ฐฐ์—ด absolutes์™€ ์ด ์ •์ˆ˜๋“ค์˜ ๋ถ€ํ˜ธ๋ฅผ ์ฐจ๋ก€๋Œ€๋กœ ๋‹ด์€ ๋ถˆ๋ฆฌ์–ธ ๋ฐฐ์—ด signs๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. ์‹ค์ œ ์ •์ˆ˜๋“ค์˜ ํ•ฉ์„ ๊ตฌํ•˜์—ฌ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”.

์ œํ•œ์‚ฌํ•ญ

  • absolutes์˜ ๊ธธ์ด๋Š” 1 ์ด์ƒ 1,000 ์ดํ•˜์ž…๋‹ˆ๋‹ค.
    • absolutes์˜ ๋ชจ๋“  ์ˆ˜๋Š” ๊ฐ๊ฐ 1 ์ด์ƒ 1,000 ์ดํ•˜์ž…๋‹ˆ๋‹ค.
  • signs์˜ ๊ธธ์ด๋Š” absolutes์˜ ๊ธธ์ด์™€ ๊ฐ™์Šต๋‹ˆ๋‹ค.
    • signs[i] ๊ฐ€ ์ฐธ์ด๋ฉด absolutes[i] ์˜ ์‹ค์ œ ์ •์ˆ˜๊ฐ€ ์–‘์ˆ˜์ž„์„, ๊ทธ๋ ‡์ง€ ์•Š์œผ๋ฉด ์Œ์ˆ˜์ž„์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค.

์ž…์ถœ๋ ฅ ์˜ˆ

absolute ssigns result
[4,7,12] [true,false,true] 9
[1,2,3] [false,false,true] 0

์ž…์ถœ๋ ฅ ์˜ˆ ์„ค๋ช…

์ž…์ถœ๋ ฅ ์˜ˆ #1

  • signs๊ฐ€ [true,false,true] ์ด๋ฏ€๋กœ, ์‹ค์ œ ์ˆ˜๋“ค์˜ ๊ฐ’์€ ๊ฐ๊ฐ 4, -7, 12์ž…๋‹ˆ๋‹ค.
  • ๋”ฐ๋ผ์„œ ์„ธ ์ˆ˜์˜ ํ•ฉ์ธ 9๋ฅผ return ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

์ž…์ถœ๋ ฅ ์˜ˆ #2

  • signs๊ฐ€ [false,false,true] ์ด๋ฏ€๋กœ, ์‹ค์ œ ์ˆ˜๋“ค์˜ ๊ฐ’์€ ๊ฐ๊ฐ -1, -2, 3์ž…๋‹ˆ๋‹ค.
  • ๋”ฐ๋ผ์„œ ์„ธ ์ˆ˜์˜ ํ•ฉ์ธ 0์„ return ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
function solution(absolutes, signs) {
    let answer = 0
    
    for (let i = 0; i < absolutes.length; i++) {
        if (signs[i] === true) {
            answer = answer + absolutes[i];
    } else {
        answer = answer - absolutes[i];
    }

}
    return answer 
}

 

if๋ฌธ์œผ๋กœ signs๊ฐ€ true๋ฉด ๋”ํ•ด์ฃผ๊ณ , false ๋ฉด ๋นผ์ฃผ๋ฉด ๋œ๋‹ค. 

 

์ถœ์ฒ˜ : 

https://velog.io/@qmasem/%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%A8%B8%EC%8A%A4-%EC%9D%8C%EC%96%91-%EB%8D%94%ED%95%98%EA%B8%B0-JavaScript

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