..

123456789101112let input = Int(readLine()!)!for i in 1...input{ let columnBlank = i - 1 var string = "" for _ in 0..

1234567891011let input = Int(readLine()!)!for i in 1...input{ let column = input - i + 1 var string = "" for _ in 0..

1234567891011let input = Int(readLine()!)!for i in 1...input{ var string = "" for _ in 0 ..