From bb82ea6f74b3a80339cf28205e09666e3811634f Mon Sep 17 00:00:00 2001
From: Armando Ceballos <armando@codigobit.com.mx>
Date: Sat, 13 May 2023 17:15:18 -0600
Subject: [PATCH] Refactoriazacion de factorial

---
 README.md                  | 40 ++------------------
 app/Commands/Factorial.php | 75 ++++++++++++++++++++++++++++++++++----
 2 files changed, 71 insertions(+), 44 deletions(-)

diff --git a/README.md b/README.md
index a8629ae..811353b 100644
--- a/README.md
+++ b/README.md
@@ -1,40 +1,8 @@
-<a href="https://supportukrainenow.org/"><img src="https://raw.githubusercontent.com/vshymanskyy/StandWithUkraine/main/banner-direct.svg" width="100%"></a>
+# Ejercicios
 
-------
+## Factorial
 
-<p align="center">
-    <img title="Laravel Zero" height="100" src="https://raw.githubusercontent.com/laravel-zero/docs/master/images/logo/laravel-zero-readme.png" />
-</p>
+Este ejercicio se hace con el fin de entender recursividad al final se agrego tambien un ejemplo de tablas de multiplicar con recursividad
 
-<p align="center">
-  <a href="https://github.com/laravel-zero/framework/actions"><img src="https://github.com/laravel-zero/laravel-zero/actions/workflows/tests.yml/badge.svg" alt="Build Status"></img></a>
-  <a href="https://packagist.org/packages/laravel-zero/framework"><img src="https://img.shields.io/packagist/dt/laravel-zero/framework.svg" alt="Total Downloads"></a>
-  <a href="https://packagist.org/packages/laravel-zero/framework"><img src="https://img.shields.io/packagist/v/laravel-zero/framework.svg?label=stable" alt="Latest Stable Version"></a>
-  <a href="https://packagist.org/packages/laravel-zero/framework"><img src="https://img.shields.io/packagist/l/laravel-zero/framework.svg" alt="License"></a>
-</p>
+## Triangulo de pascal
 
-<h4> <center>This is a <bold>community project</bold> and not an official Laravel one </center></h4>
-
-Laravel Zero was created by [Nuno Maduro](https://github.com/nunomaduro) and [Owen Voke](https://github.com/owenvoke), and is a micro-framework that provides an elegant starting point for your console application. It is an **unofficial** and customized version of Laravel optimized for building command-line applications.
-
-- Built on top of the [Laravel](https://laravel.com) components.
-- Optional installation of Laravel [Eloquent](https://laravel-zero.com/docs/database/), Laravel [Logging](https://laravel-zero.com/docs/logging/) and many others.
-- Supports interactive [menus](https://laravel-zero.com/docs/build-interactive-menus/) and [desktop notifications](https://laravel-zero.com/docs/send-desktop-notifications/) on Linux, Windows & MacOS.
-- Ships with a [Scheduler](https://laravel-zero.com/docs/task-scheduling/) and  a [Standalone Compiler](https://laravel-zero.com/docs/build-a-standalone-application/).
-- Integration with [Collision](https://github.com/nunomaduro/collision) - Beautiful error reporting
-
-------
-
-## Documentation
-
-For full documentation, visit [laravel-zero.com](https://laravel-zero.com/).
-
-## Support the development
-**Do you like this project? Support it by donating**
-
-- PayPal: [Donate](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=66BYDWAT92N6L)
-- Patreon: [Donate](https://www.patreon.com/nunomaduro)
-
-## License
-
-Laravel Zero is an open-source software licensed under the MIT license.
diff --git a/app/Commands/Factorial.php b/app/Commands/Factorial.php
index d389feb..2d71780 100644
--- a/app/Commands/Factorial.php
+++ b/app/Commands/Factorial.php
@@ -12,7 +12,7 @@ class Factorial extends Command
      *
      * @var string
      */
-    protected $signature = 'factorial';
+    protected $signature = 'factorial {numero} {--grafica}';
 
     /**
      * The description of the command.
@@ -21,6 +21,62 @@ class Factorial extends Command
      */
     protected $description = 'este comando es para calcular el factorial de un numero';
 
+    private function factorial(int $numero, bool $operaciones = false): int
+    {
+        $factorial=1;
+        $cadena = "";
+        for ($i = $numero; $i > 0; $i--)
+        {
+            $cadena .= $factorial. ' * '.$i;
+            $factorial = $factorial * $i;
+            $cadena .= ' = '.$factorial."\n";
+        }
+        if ($operaciones)
+            $this->line($cadena);
+        return $factorial;
+    }
+
+    /*
+    private static long factorial(int n1) {
+		long miNum = 1;
+		for(int i=1;i<=n1;i++) {
+			miNum*=i;
+		}
+		return miNum;
+	}
+
+    def factorial(num):
+    if num > 0:
+        # Doing the factorial using recursion
+        return int(num*factorial(num-1))
+    else:
+        return 1
+
+
+        public static void multiplicar(int iTabla, int iNumero){
+
+	if (iNumero>1)
+		multiplicar(iTabla,iNumero-1);
+
+	System.out.println(iTabla + "x" + iNumero + "=" + iTabla*iNumero);
+}
+    */
+
+    private function tablaMultiplicar($tabla, $numero){
+        if ($numero > 1)
+            $this->tablaMultiplicar($tabla, $numero-1);
+        $this->line("{$tabla} X {$numero} = ".$tabla*$numero);
+    }
+
+    private function factorialRecursivo(int $numero, bool $operaciones = false): int
+    {
+        if ($numero > 0) {
+            return $numero*$this->factorialRecursivo($numero-1);
+        }
+        else
+            return 1;
+    }
+
     /**
      * Execute the console command.
      *
@@ -28,13 +84,16 @@ class Factorial extends Command
      */
     public function handle()
     {
-        $num=10;
-        $fact=1;
-        for ($i = $num; $i > 0; $i--)
-        {
-            $fact= $fact * $i;
-        }
-        echo "El numero factorial es el siguiente = ".$fact;
+        $this->title('Calculo de factorial');
+        $this->info('
+            El factorial de un entero positivo n, el factorial de n o n
+            factorial se define en principio como el producto de todos los números
+            enteros positivos desde 1 hasta n.
+        ');
+        $factorial = $this->factorialRecursivo($this->argument('numero'), $this->option('grafica'));
+        $this->line("El numero factorial es el siguiente = {$factorial}");
+        $this->line("Su tabla de multiplicar es:");
+        $this->tablaMultiplicar($this->argument('numero'), 10);
 
     }