Data commit

Task/Zig-zag-matrix/Ceylon/zig-zag-matrix.ceylon

@@ -0,0 +1,50 @@
+class ZigZag(Integer size) {
+	
+	value data = Array {
+		for (i in 0:size)
+		Array.ofSize(size, 0)
+	};
+	
+	variable value i = 1;
+	variable value j = 1;
+	
+	for (element in 0 : size^2) {
+		data[j - 1]?.set(i - 1, element);
+		if ((i + j).even) {
+			if (j < size) {
+				j++;
+			}
+			else {
+				i += 2;
+			}
+			if (i > 1) {
+				i--;
+			}
+		}
+		else {
+			if (i < size) {
+				i++;
+			}
+			else {
+				j += 2;
+			}
+			if (j > 1) {
+				j--;
+			}
+		}
+	}
+	
+	shared void display() {
+		for (row in data) {
+			for (element in row) {
+				process.write(element.string.pad(3));
+			}
+			print(""); //newline
+		}
+	}
+}
+
+shared void run() {
+	value zz = ZigZag(5);
+	zz.display();
+}