[Warm Up] Staircase

문제 설명:

  Staircase detail

This is a staircase of size : n = 4

   #
  ##
 ###
####

Its base and height are both equal to n. It is drawn using # symbols and spaces. The last line is not preceded by any spaces.

Write a program that prints a staircase of size n.

 

 

 

내 풀이:

func staircase(n: Int) -> Void {
    for i in 1...n {
    // 띄어쓰기 먼저 반복 후, 마지막에 #가 출력되야 함
        print(String(repeating: " ", count: n - i) + String(repeating: "#", count: i))
    }
}