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Task/Sierpinski-carpet/Java/sierpinski-carpet.java

@@ -0,0 +1,19 @@
+public static boolean inCarpet(long x, long y) {
+    while (x!=0 && y!=0) {
+        if (x % 3 == 1 && y % 3 == 1)
+            return false;
+        x /= 3;
+        y /= 3;
+    }
+    return true;
+}
+
+public static void carpet(final int n) {
+    final double power = Math.pow(3,n);
+    for(long i = 0; i < power; i++) {
+        for(long j = 0; j < power; j++) {
+            System.out.print(inCarpet(i, j) ? "*" : " ");
+        }
+        System.out.println();
+    }
+}