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  • Daily Coding 10
    codeStates front-end/Algorithm 2023. 2. 2. 18:11
    ๋ฐ˜์‘ํ˜•

     

     

     

    ๐Ÿ“๋ฌธ์ œ 10( insertDash  )

     

    ๋ฌธ์ž์—ด์„ ์ž…๋ ฅ๋ฐ›์•„ ์—ฐ์†๋œ ํ•œ์ž๋ฆฌ ํ™€์ˆ˜ ์ˆซ์ž ์‚ฌ์ด์— '-'๋ฅผ ์ถ”๊ฐ€ํ•œ ๋ฌธ์ž์—ด์„ ๋ฆฌํ„ดํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

     

     

     

    ๐Ÿ“ฅ์ž…๋ ฅ

     

    ์ธ์ž1 : str

    • string ํƒ€์ž…์˜ ๋ฌธ์ž์—ด

     

    ๐Ÿ“ค ์ถœ๋ ฅ

     

    • String ํƒ€์ž…์˜ ๋ฌธ์ž์—ด

     

    โ—๏ธ์ฃผ์˜์‚ฌํ•ญ

     

    • 0์€ ์ง์ˆ˜๋กœ ๊ฐ„์ฃผํ•ฉ๋‹ˆ๋‹ค.

     

    ๋‚˜์˜ ์ƒ๊ฐ

     

    ๋ฌธ์ž์—ด์„ ์ž…๋ ฅ๋ฐ›์•„ -> str

    ์—ฐ์†๋œ ํ•œ์ž๋ฆฌ ํ™€์ˆ˜ ์ˆซ์ž ์‚ฌ์ด์— -> ๋ฌธ์ž์—ด์„ ์•Œ๋ ค๋ฉด ๋ฌธ์ž์—ด ํ•œ๋ฐ”ํ€ด ๋Œ์•„์•ผ ๊ฒ ๊ตฐ for๋ฌธ๋Œ๋ ค ๋„ˆ ํ™€์ˆ˜์•ผ?

    -๋ฅผ ์ถ”๊ฐ€ํ•œ ๋ฌธ์ž์—ด์„ ๋ฆฌํ„ด -> -๋ฅผ ์ถ”๊ฐ€ํ•œ ๋ฌธ์ž์—ด์ด๋‹ˆ ๊ฐ’์„ ์ƒˆ๋กœ ๋งŒ๋“ค์–ด์„œ -์ถ”๊ฐ€ํ•ด์„œ ๋ฆฌํ„ดํ•ด์ค˜์•ผ๊ฒ ๊ตฐ

     

    ๋Œ€์ถฉ ํผ

     

    let result = str[0];

    for(๋ฌธ์ž์—ด์„ ๋‹ค ๋Œ๋ ธ์„ ๋•Œ){

    if(๋ฌธ์ž์—ด ํ•œ์ž๋ฆฌ ์ „์ด ์ง์ˆ˜๊ณ  ๋‹ค์Œ ๊ป๋„ ์ง์ˆ˜๋ฉด)

    { ๊ฒฐ๊ณผ๋Š” ๊ฒฐ๊ณผ + "-"

    }

    ์ƒˆ๋กœ์šด ๋ฌธ์ž์—ด์€ ๋ฌธ์ž์—ด ๋”ํ•˜๋ฉด์„œ ๊ณ„์† ๋Œ๋ ค

    }

     

    return ์ƒˆ๋กœ์šด ๋ฌธ์ž์—ด

     

     

    ๋‚˜์˜ ์ฝ”๋“œ

    function insertDash(str) {
      let result = str[0];
      for (let i = 1; i < str.length; i++) {
        if (str[i - 1] % 2 === 1 && str[i] % 2 === 1) {
          result = result + '-';
        }
        result = result + str[i];
      }
    
      return result;
    }

     

    ๋ž˜ํผ๋Ÿฐ์Šค

     

    function insertDash(str) {
      let result = str[0];
      for (let i = 1; i < str.length; i++) {
        if (Number(str[i - 1]) % 2 && Number(str[i]) % 2) {
          result = result + '-';
        }
        result = result + str[i];
      }
    
      return result;
    }

     

    ์—ฅ? number๋Š” ๋ญ๊ณ ....,,, ์งœ์ฆ ์ง€๋Œ€๋กœ;;;

    ์•Œ์•„๋ดค๋”๋‹ˆ ๊ฐ™์€ ์˜๋ฏธ๋‹ค ํ›„ ,,,

     

    ๋ฐ˜์‘ํ˜•

    'codeStates front-end > Algorithm' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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    ๋Œ“๊ธ€

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