June 2018 Update

Task/Casting-out-nines/Sidef/casting-out-nines.sidef

@@ -0,0 +1,23 @@
+func cast_out(base = 10, min = 1, max = (base**2 - 1)) {
+
+    var b9  = base-1
+    var ran = b9.range.grep {|n| n%b9 == (n*n % b9) }
+
+    var x = min//b9
+    var r = []
+
+    loop {
+        ran.each {|n|
+            var k = (b9*x + n)
+            return r if (k > max)
+            r << k if (k >= min)
+        }
+        ++x
+    }
+
+    return r
+}
+
+say cast_out().join(' ')
+say cast_out(16).join(' ')
+say cast_out(17).join(' ')