<!DOCTYPE html lang= "en">
<head>
<link rel="stylesheet" href="<?= base_url("css/bootstrap.css")?>">
</head>
<body>
<div class="container">
<h1>Produtos</h1>
<table class="table">
<?php foreach($produtos as $produto):?>
<tr>
<td><?=$produto["nome"];?></td>
<td><?=$produto["preco"];?></td>
</tr>
<?php endforeach ?>
</table>
<h1>Cadastro</h1>
<?php
echo form_open("usuarios/novo");
echo form_label("Name","nome");
echo form_input(array(
"name"=>"nome",
"class"=>"form-control",
"id"=>"nome",
"maxlength"=>"255"
));
echo form_label("Email","email");
echo form_input(array(
"name"=>"email",
"class"=>"form-control",
"id"=>"email",
"maxlength"=>"255"
));
echo form_label("Senha","senha");
echo form_password(array(
"name"=>"senha",
"id"=>"senha",
"class"=>"form-control",
"maxlength"=>"255"
));
echo form_button(array(
"class"=>"btn btn primary",
"content"=>"Cadastrar",
"type"=>"submit"
));
echo form_close();
?>
</div>
</body>
</html>
veja aqui oque aparece no navegador: http://localhost/mercado/index.php/produtos/URLs/index.php/usuarios/novo