import Foundation let line = readLine()! let lineArr = line.components(separatedBy: "\n") let a = Int(lineArr[0])! let b = lineArr[1] let c = a * Int(String(b[b.index(b.startIndex, offsetBy: 2)]))! let d = a * Int(String(b[b.index(b.startIndex, offsetBy: 1)]))! let e = a * Int(String(b[b.index(b.startIndex, offsetBy: 0)]))! let f = a * Int(b)! print(c, d, e, f, separator: "\n") 위 코드는 런타임 에러를 발생시..
