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[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค LV.1] ์„œ์šธ์—์„œ ๊น€์„œ๋ฐฉ ์ฐพ๊ธฐ

by hyebin (Helia) 2023. 2. 6.
๋ฐ˜์‘ํ˜•
ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค LV.1 ๋ชจ์Œ

์„œ์šธ์—์„œ ๊น€์„œ๋ฐฉ ์ฐพ๊ธฐ

๋ฌธ์ œ ์„ค๋ช…

Stringํ˜• ๋ฐฐ์—ด seoul์˜ element์ค‘ "Kim"์˜ ์œ„์น˜ x๋ฅผ ์ฐพ์•„, "๊น€์„œ๋ฐฉ์€ x์— ์žˆ๋‹ค"๋Š” String์„ ๋ฐ˜ํ™˜ํ•˜๋Š” ํ•จ์ˆ˜, solution์„ ์™„์„ฑํ•˜์„ธ์š”. seoul์— "Kim"์€ ์˜ค์ง ํ•œ ๋ฒˆ๋งŒ ๋‚˜ํƒ€๋‚˜๋ฉฐ ์ž˜๋ชป๋œ ๊ฐ’์ด ์ž…๋ ฅ๋˜๋Š” ๊ฒฝ์šฐ๋Š” ์—†์Šต๋‹ˆ๋‹ค.

์ œํ•œ ์‚ฌํ•ญ

  • seoul์€ ๊ธธ์ด 1 ์ด์ƒ, 1000 ์ดํ•˜์ธ ๋ฐฐ์—ด์ž…๋‹ˆ๋‹ค.
  • seoul์˜ ์›์†Œ๋Š” ๊ธธ์ด 1 ์ด์ƒ, 20 ์ดํ•˜์ธ ๋ฌธ์ž์—ด์ž…๋‹ˆ๋‹ค.
  • "Kim"์€ ๋ฐ˜๋“œ์‹œ seoul ์•ˆ์— ํฌํ•จ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.

์ž…์ถœ๋ ฅ ์˜ˆ

seoul return
["Jane", "Kim"] "๊น€์„œ๋ฐฉ์€ 1์— ์žˆ๋‹ค"

์ œ์ถœ

func solution(_ seoul:[String]) -> String {   
    return "๊น€์„œ๋ฐฉ์€ \(seoul.firstIndex(of: "Kim")!)์— ์žˆ๋‹ค"
}
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