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- #!/usr/bin/ruby
- #
- ## https://rosettacode.org/wiki/Sierpinski_triangle
- #
- func sierpinski_triangle(n) {
- var triangle = ['*'];
- { |i|
- var sp = (' ' * 1<<i);
- triangle = (triangle.map {|x| sp + x + sp} +
- triangle.map {|x| x + ' ' + x});
- } * n;
- triangle.join("\n");
- }
-
- say sierpinski_triangle(4);
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