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MUKER_DEV with iOS
[swift] λ°±μ€ - 1874λ²: μ€ν μμ΄ λ³Έλ¬Έ
1874λ²: μ€ν μμ΄
1λΆν° nκΉμ§μ μμ λν΄ μ°¨λ‘λ‘ [push, push, push, push, pop, pop, push, push, pop, push, push, pop, pop, pop, pop, pop] μ°μ°μ μννλ©΄ μμ΄ [4, 3, 6, 8, 7, 5, 2, 1]μ μ»μ μ μλ€.
www.acmicpc.net
λ¬Έμ νΈλ λ° μμ΄ λμμ΄ λλλ‘ λμ νμ΄μ κ°μ λ νμ΄λ₯Ό μ¬λ¦½λλ€.
λν νμ΄ ν λ€λ₯Έ μ¬λμ νμ΄λ₯Ό λ³΄κ³ μ°Έκ³ ν λ§ν νμ΄λ μ¬λ¦½λλ€.
- λ¬Έμ μ λ°λΌ λμ νμ΄λ§ μμ μ μμ΅λλ€.
- ν΄λΉ νμ΄λ€μ νμ΄ μ€ νλμΌ λΏ μ΅μ μ νμ΄λ μλ μ μμ΅λλ€.
λμ νμ΄
import Foundation
let input = Int(readLine()!)!
var arr = (0..<input).map { _ in Int(readLine()!)! }
var stack = [Int]()
var result = [String]()
var count = 0
for i in 1...(input+1) {
guard !stack.isEmpty else {
stack.append(i)
result.append("+")
continue
}
while count < arr.count && arr[count] == stack.last {
stack.removeLast()
count += 1
result.append("-")
}
stack.append(i)
result.append("+")
}
if stack.count == 1 {
result.removeLast()
for i in result {
print(i)
}
} else { print("NO") }
μ°Έκ³ ν λ§ν νμ΄
let n = Int(readLine()!)!
var stack:[Int] = [0]
var count = 0
var str = ""
for _ in 1...n {
let num = Int(readLine()!)!
while count < num {
count += 1
stack.append(count)
str += "+\n"
}
if stack.popLast() != num {
str = "NO"
break
}
str += "-\n"
}
print(str)
- μ μ νμ΄μ μκ³ λ¦¬μ¦μ λΉμ·νμ§λ§
ν¨μ¬ μ§κ΄μ μ΄λ€μ.
'π€ μκ³ λ¦¬μ¦ > BAEKJOON' μΉ΄ν κ³ λ¦¬μ λ€λ₯Έ κΈ
[swift] λ°±μ€ - 1676λ²: ν©ν λ¦¬μΌ 0μ κ°μ (0) | 2023.02.18 |
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[swift] λ°±μ€ - 2805λ²: λ무 μλ₯΄κΈ° (0) | 2023.02.17 |
[swift] λ°±μ€ - 1654λ²: λμ μλ₯΄κΈ° (0) | 2023.02.16 |
[swift] λ°±μ€ - 1966λ²: νλ¦°ν° ν (0) | 2023.02.16 |
[swift] λ°±μ€ - 1929λ²: μμ ꡬνκΈ° (0) | 2023.02.15 |