2438-별 찍기 - 1

#Integer 하나 받아오기

let n = Int(readLine()!)!

 

#String 여러번 반복하기
for i in 1...n{
    let stars = String(repeating:"*", count:i)
    print(stars)
}

 

String 반복 방법 tutorial

https://reactgo.com/swift-repeat-string/#:~:text=To%20repeat%20a%20string%20n%20number%20of%20times%2C%20we%20can,need%20to%20repeat%20that%20string.