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[swift] ๋ฐฑ์ค€ 11651๋ฒˆ: ์ขŒํ‘œ ์ •๋ ฌํ•˜๊ธฐ 2 ๋ณธ๋ฌธ

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[swift] ๋ฐฑ์ค€ 11651๋ฒˆ: ์ขŒํ‘œ ์ •๋ ฌํ•˜๊ธฐ 2

MUKER 2022. 9. 25. 13:01
 

11651๋ฒˆ: ์ขŒํ‘œ ์ •๋ ฌํ•˜๊ธฐ 2

์ฒซ์งธ ์ค„์— ์ ์˜ ๊ฐœ์ˆ˜ N (1 ≤ N ≤ 100,000)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‘˜์งธ ์ค„๋ถ€ํ„ฐ N๊ฐœ์˜ ์ค„์—๋Š” i๋ฒˆ์ ์˜ ์œ„์น˜ xi์™€ yi๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. (-100,000 ≤ xi, yi ≤ 100,000) ์ขŒํ‘œ๋Š” ํ•ญ์ƒ ์ •์ˆ˜์ด๊ณ , ์œ„์น˜๊ฐ€ ๊ฐ™์€ ๋‘ ์ ์€ ์—†๋‹ค.

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๋‚˜์˜ ํ’€์ด

let T = Int(readLine()!)!

var A = [[Int]]()

for _ in 1...T {
    let a = readLine()!.split(separator: " ").map { Int($0)! }
    A.append(a)
}

A.sort { $0[1] == $1[1] ? $0[0] < $1[0] : $0[1] < $1[1] }

for i in A {
    print(i[0], i[1])
}

///
์ขŒํ‘œ์ •๋ ฌํ•˜๊ธฐ ๋ฌธ์ œ์—์„œ ์ •๋ ฌ ์šฐ์„ ์ˆœ์œ„๋งŒ ์กฐ์ •ํ•ด์ฃผ๋ฉด ๋ฉ๋‹ˆ๋‹ค.
///
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