[Swift] 백준 12047번 동전 0

import Foundation

var input = readLine()!.components(separatedBy: " ").map { Int(String($0))! }
var k = input[1]
var coins: [Int] = []
var result = 0

for _ in 1...input[0] {
    coins.append(Int(readLine()!)!)
}

coins.reverse()

for i in 0...input[0] - 1 {
    result += k / coins[i]
    k %= coins[i]
}

print(result)