2013-05-23から1日間の記事一覧
def toNum(col:String):Int = { def alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" def char2num(c:Char):Int = alpha.indexOf(c) + 1 def digit(n:Int): Stream[Int] = Stream.cons(n,digit(n*26)) val nums = col.reverse.map(char2num) val zipped = nums.zip(di…