13649번 '문흥안'

import Foundation
 
let money = Int(readLine()!)!
let humans = Int(readLine()!)!
var temp = [String]()
var array = [Int]()
for _ in 0..<humans{
    temp.append(readLine()!)
}
for _ in 0..<100{
    array.append(0)
}
for i in temp{
    let command = i.split(separator: " ").map { String($0) }
    let position = Int(command.first!)!
    let direction = command.last!
    if(direction == "L"){
        for i in 0..<position-1{
            if(array[i] == 2){
                array[i] = 0
            } else {
                array[i] += 1
            }
        }
    } else {
        for i in position..<100{
            if(array[i] == 2){
                array[i] = 0
            } else {
                array[i] += 1
            }
        }
    }
}
var result = [0,0,0]
for i in array{
    switch(i){
    case 0:
        result[0] += 1
    case 1:
        result[1] += 1
    case 2:
        result[2] += 1
    default:
        break
    }
}
for i in result{
    print(String.init(format: "%.2f", Double(money) * (Double(i) / 100.0)))
}

String(format:) 함수를 쓰려면 import Foundation을 해주어야 한다.