백준 9093 - 스위프트 풀이

let n: Int = Int(readLine()!)!
var str: String = ""
for _ in 0..<n {
    let input = readLine()!
    let arr = input.split(separator: " ")
    for word in arr {
        var wordStr = ""
        for c in word {
            wordStr = String(c) + wordStr
        }
        str += wordStr + " "
    }
    str += "\n"
}

print(str)

 

다른 사람의 깔끔한 풀이

let t = Int(readLine()!)!

for _ in 0..<t {
    let words = readLine()!.split(separator: " ").map{String($0)}
    var arr = [String]()
    
    for word in words {
        var temp = ""
        for str in word.reversed() {
            temp += String(str)
        }
        arr.append(temp)
    }
    
    let result = arr.joined(separator: " ")
    print(result)
}