tasks a-s

Task/Pascals-triangle/Scala/pascals-triangle-1.scala

@@ -0,0 +1,5 @@
+def tri(row:Int):List[Int] = { row match {
+  case 1 => List(1)
+  case n:Int => List(1) ::: ((tri(n-1) zip tri(n-1).tail) map {case (a,b) => a+b}) ::: List(1)
+  }
+}

Task/Pascals-triangle/Scala/pascals-triangle-2.scala

@@ -0,0 +1,2 @@
+def prettytri(n:Int) = (1 to n) foreach {i=>print(" "*(n-i)); tri(i) map (c=>print(c+" ")); println}
+prettytri(5)