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[swift] ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค - ๋‹ฌ๋ฆฌ๊ธฐ ๊ฒฝ์ฃผ ๋ณธ๋ฌธ

๐Ÿค– ์•Œ๊ณ ๋ฆฌ์ฆ˜/programmers

[swift] ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค - ๋‹ฌ๋ฆฌ๊ธฐ ๊ฒฝ์ฃผ

MUKER 2023. 5. 3. 23:53
 

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค

์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”.

programmers.co.kr


์„ฑ๊ณต ํ’€์ด

func solution(_ players:[String], _ callings:[String]) -> [String] {
  var arr = players
  var dic = Dictionary(uniqueKeysWithValues: zip(players,(0..<players.count)))
  for calling in callings {
    let index = dic[calling]!
    let front = arr[index-1]
    arr.swapAt(index,index-1)
    dic[front] = index
    dic[calling] = index-1
  }
  return arr
}

ํ’€์ด ํ‚ค์›Œ๋“œ

๋ฐฐ์—ด๊ณผ ๋”•์…”๋„ˆ๋ฆฌ๋ฅผ ์ด์šฉํ•œ ๊ตฌํ˜„