Question

How to print text diagonally from left to right recursively in Scala

Answer 1

def print_text_diagonally_recursively(spaces: String, word: String): Unit =
  if word.nonEmpty then
    println(spaces + word.head)
    print_text_diagonally_recursively(spaces + " ", word.tail)

@main def Main(): Unit =
  val text = "Hello World"
  
  print_text_diagonally_recursively("", text)


/*
run:
 
H
 e
  l
   l
    o
      
      W
       o
        r
         l
          d
 
*/

 

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