tasks a-s

Task/Pascals-triangle/Fantom/pascals-triangle.fantom

@@ -0,0 +1,29 @@
+class Main
+{
+  Int[] next_row (Int[] row)
+  {
+    new_row := [1]
+    (row.size-1).times |i|
+    {
+      new_row.add (row[i] + row[i+1])
+    }
+    new_row.add (1)
+
+    return new_row
+  }
+
+  Void print_pascal (Int n)  // no output for n <= 0
+  {
+    current_row := [1]
+    n.times
+    {
+      echo (current_row.join(" "))
+      current_row = next_row (current_row)
+    }
+  }
+
+  Void main ()
+  {
+    print_pascal (10)
+  }
+}