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  • Daily Coding 8
    codeStates front-end/Algorithm 2023. 1. 25. 20:43
    ๋ฐ˜์‘ํ˜•

     

     

     

    ๐Ÿ“๋ฌธ์ œ 8( convertDoubleSpaceToSingle )

     

    ๋ฌธ์ž์—ด์„ ์ž…๋ ฅ๋ฐ›์•„ ํ•ด๋‹น ๋ฌธ์ž์—ด์— ๋“ฑ์žฅํ•˜๋Š” ๋‘ ์นธ์˜ ๊ณต๋ฐฑ์„ ๋ชจ๋‘ ํ•œ ์นธ์˜ ๊ณต๋ฐฑ์œผ๋กœ ๋ฐ”๊พผ ๋ฌธ์ž์—ด์„

    ๋ฆฌํ„ดํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

     

     

    ๐Ÿ“ฅ์ž…๋ ฅ

     

    ์ธ์ž1 : arr

    • string ํƒ€์ž…์˜ ๋ฌธ์ž์—ด

     

    ๐Ÿ“ค ์ถœ๋ ฅ

     

    • string ํƒ€์ž…์˜ ๋ฌธ์ž์—ด

     

    โ—๏ธ์ฃผ์˜์‚ฌํ•ญ

     

    • ๋‘ ์นธ์„ ์ดˆ๊ณผํ•˜๋Š” ๊ณต๋ฐฑ์€ ์กด์žฌํ•˜์ง€ ์•Š๋Š”๋‹ค๊ณ  ๊ฐ€์ •ํ•ฉ๋‹ˆ๋‹ค.

     

    ๋‚˜์˜ ์ƒ๊ฐ

     

    ์ƒˆ๋กœ์šด ๋ฌธ์ž์—ด์„ ๋ฆฌํ„ด

    ๋ชจ๋“  ๋ฌธ์ž์—ด์˜ ๊ธธ์ด๋ฅผ ๋ฐ˜๋ณตํ›„

    str[i] ๋ฒˆ์งธ ๊ณต๋ฐฑ + str[i+1] ๊ณต๋ฐฑ์ด ์•„๋‹ ๋•Œ

    ์ƒˆ๋กœ์šด ๋ฌธ์ž์—ด์„ ์ถ”๊ฐ€

     

     

    ๋ž˜ํผ๋Ÿฐ์Šค( = ๋‚˜์˜ ์ฝ”๋“œ)

     

    function convertDoubleSpaceToSingle(str) {
      let result = '';
      let before = '';
      for (let i = 0; i < str.length; i++) {
        // ์ง์ „์˜ ๋ฌธ์ž๊ฐ€ ๊ณต๋ฐฑ์ด๊ณ , ํ˜„์žฌ์˜ ๋ฌธ์ž๋„ ๊ณต๋ฐฑ์ธ ๊ฒฝ์šฐ
        // ์ฆ‰, ํ˜„์žฌ์˜ ๋ฌธ์ž๊ฐ€ ๋‘ ๋ฒˆ์งธ ๊ณต๋ฐฑ์ธ ๊ฒฝ์šฐ(์—๋งŒ), ๋ฌด์‹œํ•œ๋‹ค.
        if (before !== ' ' || str[i] !== ' ') {
          result = result + str[i];
        }
        before = str[i];
      }
      return result;
    }

     

    ๋˜ ๋‹ค๋ฅธ ๋ž˜ํผ๋Ÿฐ์Šค

     

    function convertDoubleSpaceToSingle(str) {
      return str.split('  ').join(' ');
    }
    ๋ฐ˜์‘ํ˜•

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

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