Data commit

Task/Sierpinski-triangle/Haxe/sierpinski-triangle.haxe

@@ -0,0 +1,35 @@
+class Main
+{
+	static function main()
+	{
+		triangle(3);
+	}
+	
+	static inline var SPACE = ' ';
+	static inline var STAR = '*';
+	
+	static function triangle(o) {
+		var n = 1 << o;
+		var line = new Array<String>();
+		
+		for (i in 0...(n*2)) line[i] = SPACE;
+		
+		line[n] = '*';
+		
+		for (i in 0...n) {
+			Sys.println(line.join(''));
+			var u ='*';
+			var start = n - i;
+			var end = n + i + 1;
+			var t = SPACE;
+			for (j in start...end) {
+				t = (line[j-1] == line[j+1] ? SPACE : STAR);
+				line[j-1] = u;
+				u = t;
+			}
+			
+			line[n+i] = t;
+			line[n+i+1] = STAR;
+		}
+	}
+}