Data commit

Task/Identity-matrix/Vala/identity-matrix.vala

@@ -0,0 +1,25 @@
+int main (string[] args) {
+	if (args.length < 2) {
+		print ("Please, input an integer > 0.\n");
+		return 0;
+	}
+	var n = int.parse (args[1]);
+	if (n <= 0) {
+		print ("Please, input an integer > 0.\n");
+		return 0;
+	}
+	int[,] array = new int[n, n];
+	for (var i = 0; i < n; i ++) {
+		for (var j = 0; j < n; j ++) {
+			if (i == j) array[i,j] = 1;
+			else array[i,j] = 0;
+		}
+	}
+	for (var i = 0; i < n; i ++) {
+		for (var j = 0; j < n; j ++) {
+			print ("%d ", array[i,j]);
+		}
+		print ("\b\n");
+	}
+	return 0;
+}