Initial data commit

Task/Cantor-set/Sidef/cantor-set.sidef

@@ -0,0 +1,21 @@
+func cantor (height) {
+    var width = 3**(height - 1)
+    var lines = height.of { "\N{FULL BLOCK}" * width }
+
+    func trim_middle_third (len, start, index) {
+        var seg = (len // 3) || return()
+
+        for i, j in ((index ..^ height) ~X (0 ..^ seg)) {
+            lines[i].replace!(Regex("^.{#{start + seg + j}}\\K."), ' ')
+        }
+
+        [0, 2*seg].each { |k|
+            trim_middle_third(seg, start + k, index + 1)
+        }
+    }
+
+    trim_middle_third(width, 0, 1)
+    return lines
+}
+
+cantor(5).each { .say }