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[swift] ๋ฐฑ์ค€ - 1783๋ฒˆ: ๋ณ‘๋“  ๋‚˜์ดํŠธ ๋ณธ๋ฌธ

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[swift] ๋ฐฑ์ค€ - 1783๋ฒˆ: ๋ณ‘๋“  ๋‚˜์ดํŠธ

MUKER 2023. 6. 15. 09:42
 

1783๋ฒˆ: ๋ณ‘๋“  ๋‚˜์ดํŠธ

์ฒซ์งธ ์ค„์— ์ฒด์ŠคํŒ์˜ ์„ธ๋กœ ๊ธธ์ด N์™€ ๊ฐ€๋กœ ๊ธธ์ด M์ด ์ฃผ์–ด์ง„๋‹ค. N๊ณผ M์€ 2,000,000,000๋ณด๋‹ค ์ž‘๊ฑฐ๋‚˜ ๊ฐ™์€ ์ž์—ฐ์ˆ˜์ด๋‹ค.

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์„ฑ๊ณต ํ’€์ด

let f = readLine()!.split(separator: " ").map { Int($0)! }
let y = f[0], x = f[1]
if y <= 1 { print(1) }
else if y <= 2 { print(min(4,(x-1)/2+1)) }
else if x <= 4 { print(x) }
else if x <= 6 { print(4) }
else { print(x-2) }