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[swift]๋ฐฑ์ค€ - 18111๋ฒˆ: ๋งˆ์ธํฌ๋ž˜ํ”„ํŠธ ๋ณธ๋ฌธ

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[swift]๋ฐฑ์ค€ - 18111๋ฒˆ: ๋งˆ์ธํฌ๋ž˜ํ”„ํŠธ

MUKER 2023. 2. 20. 01:19
 

18111๋ฒˆ: ๋งˆ์ธํฌ๋ž˜ํ”„ํŠธ

ํŒ€ ๋ ˆ๋“œ์‹œํ”„ํŠธ๋Š” ๋Œ€ํšŒ ์ค€๋น„๋ฅผ ํ•˜๋‹ค๊ฐ€ ์ง€๋ฃจํ•ด์ ธ์„œ ์ƒŒ๋“œ๋ฐ•์Šค ๊ฒŒ์ž„์ธ ‘๋งˆ์ธํฌ๋ž˜ํ”„ํŠธ’๋ฅผ ์ผฐ๋‹ค. ๋งˆ์ธํฌ๋ž˜ํ”„ํŠธ๋Š” 1 × 1 × 1(์„ธ๋กœ, ๊ฐ€๋กœ, ๋†’์ด) ํฌ๊ธฐ์˜ ๋ธ”๋ก๋“ค๋กœ ์ด๋ฃจ์–ด์ง„ 3์ฐจ์› ์„ธ๊ณ„์—์„œ ์ž์œ ๋กญ๊ฒŒ

www.acmicpc.net

 

๋ฌธ์ œ ํ‘ธ๋Š” ๋ฐ ์žˆ์–ด ๋„์›€์ด ๋˜๋„๋ก ๋‚˜์˜ ํ’€์ด์™€ ๊ฐœ์„ ๋œ ํ’€์ด๋ฅผ ์˜ฌ๋ฆฝ๋‹ˆ๋‹ค.
๋˜ํ•œ ํ’€์ด ํ›„ ๋‹ค๋ฅธ ์‚ฌ๋žŒ์˜ ํ’€์ด๋ฅผ ๋ณด๊ณ  ์ฐธ๊ณ ํ• ๋งŒํ•œ ํ’€์ด๋„ ์˜ฌ๋ฆฝ๋‹ˆ๋‹ค.

- ๋ฌธ์ œ์— ๋”ฐ๋ผ ๋‚˜์˜ ํ’€์ด๋งŒ ์žˆ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
- ํ•ด๋‹น ํ’€์ด๋“ค์€ ํ’€์ด ์ค‘ ํ•˜๋‚˜์ผ ๋ฟ ์ตœ์„ ์˜ ํ’€์ด๋Š” ์•„๋‹ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

 


 

๋‚˜์˜ ํ’€์ด

let input = readLine()!.split(separator: " ").map { Int($0)! }
let N = input[0]
let M = input[1]
var B = input[2]
var land = Array(repeating: [Int](), count: N)
var max = 0
var min = 256
var result = [Int: Int]()

for i in 0..<N {
    land[i].append(contentsOf: readLine()!.split(separator: " ").map { Int($0)! })
    let tempMax = land[i].max()!
    let tempMin = land[i].min()!
    if max < tempMax { max = tempMax }
    if min > tempMin { min = tempMin }
}

for i in min...max {
    var time = 0
    var block = B
    for j in 0..<N {
        for k in 0..<M {
            let n = land[j][k]
            if n == i { continue }
            if n > i {
                time += (n - i) * 2
                block += (n-i)
            }
            else {
                time += (i - n)
                block -= (i-n)
            }
        }
    }
    if block >= 0 { result[i] = time }
}
var myLand = result.sorted(by: { $0.value == $1.value ? $0.key > $1.key : $0.value < $1.value })
print(myLand[0].value, myLand[0].key)

 

- ์ฃผ์–ด์ง„ ๋•… ์ค‘์— ๋†’์ด๊ฐ€ ๊ฐ€์žฅ ๋‚ฎ์€ ๋•… ๋ถ€ํ„ฐ ๋†’์€ ๋•…๊นŒ์ง€

๋ฒ”์œ„ ๋ชจ๋‘๋ฅผ ๊ฒ€์‚ฌํ•˜๋Š” ๋ธŒ๋ฃจํŠธํฌ์Šค ์•Œ๊ณ ๋ฆฌ์ฆ˜์œผ๋กœ ํ’€์—ˆ์Šต๋‹ˆ๋‹ค.

 


 

 

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