import Foundation func solution(_ order:Int) -> Int { var answer = String(order).map{String($0)}.filter{$0=="3" || $0=="6" || $0=="9"}.count return answer } 일단 order를 ...

import Foundation func solution(_ n:Int) -> [Int] { var arr : [Int] = [] arr = (1...n).map{$0}.filter{n%$0==0} return arr } 약수를 구하기 위해서 먼저 filter를 사용하려고하였다. ...

import Foundation func solution(_ array:[Int]) -> [Int] { var arr : [Int] = [] arr.append(array.max()!) arr.append(array.firstIndex(of:array.max()!)!) return arr ...

import Foundation func solution(_ hp:Int) -> Int { var answer = 0 answer = hp/5 + (hp%5)/3 + ((hp%5)%3)/1 return answer } 단순하게 생각을 했다. 먼저 hp에서 장군개미가 얼마나 필요한지를 ...

import Foundation func solution(_ my_string:String) -> String { var answer = "" answer = my_string.map{String($0) == String($0).uppercased() ? String($0).lowercased() : St...

import Foundation func solution(_ cipher:String, _ code:Int) -> String { var answer = "" var arr = cipher.map{String($0)} answer = stride(from:code-1, to:cipher.count,...

import Foundation func solution(_ my_string:String) -> Int { var answer = my_string.map{$0}.filter{$0.isNumber}.map{Int(String($0))!}.reduce(0,+) return answer } 기존에 왜 ...

import Foundation func solution(_ my_string:String) -> String { var answer : String = "" answer = my_string.components(separatedBy:["a","e","i","o","u"]).joined() ...

import Foundation func solution(_ my_string:String, _ n:Int) -> String { var result : String = "" for i in my_string { result += String(repeating:i, count:n) }...

import Foundation func solution(_ n:Int, _ t:Int) -> Int { var answer : Int = 0 answer = n * Int(pow(Double(2),Double(t))) return answer } 2의 t제곱씩 수가 증가하는것을 보...