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[swift] ๋ฐฑ์ค€ - 1912๋ฒˆ: ์—ฐ์†ํ•ฉ ๋ณธ๋ฌธ

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[swift] ๋ฐฑ์ค€ - 1912๋ฒˆ: ์—ฐ์†ํ•ฉ

MUKER 2023. 5. 20. 22:54
 

1912๋ฒˆ: ์—ฐ์†ํ•ฉ

์ฒซ์งธ ์ค„์— ์ •์ˆ˜ n(1 ≤ n ≤ 100,000)์ด ์ฃผ์–ด์ง€๊ณ  ๋‘˜์งธ ์ค„์—๋Š” n๊ฐœ์˜ ์ •์ˆ˜๋กœ ์ด๋ฃจ์–ด์ง„ ์ˆ˜์—ด์ด ์ฃผ์–ด์ง„๋‹ค. ์ˆ˜๋Š” -1,000๋ณด๋‹ค ํฌ๊ฑฐ๋‚˜ ๊ฐ™๊ณ , 1,000๋ณด๋‹ค ์ž‘๊ฑฐ๋‚˜ ๊ฐ™์€ ์ •์ˆ˜์ด๋‹ค.

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์„ฑ๊ณต ํ’€์ด

let n = readLine()!
var arr = readLine()!.split(separator: " ").map { Int($0)! }
var maxNum = arr.max()!
if maxNum < 0 { print(maxNum) }
else {
    var sum = 0
    maxNum = 0
    for i in arr {
        sum += i
        if sum < 0 { sum = 0 }
        maxNum = max(maxNum, sum)
    }
    print(maxNum)
}

ํ’€์ด ํ‚ค์›Œ๋“œ

DP