Linio Challenge

Challenge

Write a program that prints all the numbers from 1 to 100. However, for multiples of 3, instead of the number, print "Linio". For multiples of 5 print "IT". For numbers which are multiples of both 3 and 5, print "Linianos".

But here's the catch: you can use only one if. No multiple branches, ternary operators or else.

Requisites

• 1 if
• You can't use 'else', 'else if' or ternary
• Unit tests
• You can write the challenge in any language you want. Here at Linio we are big fans of PHP, Kotlin and TypeScript

Submission

You can create a public repository on your GitHub account and send the link to us.

Environment

Requirements

• php-cli or wamp/lamp
• PHP 7.1, preferred 7.1.6
• Composer (see: https://getcomposer.org/doc/00-intro.md)

Installation

1. Download or clone the repository
2. Execute the composer command in project root:

    composer install

4. Run challenge php script in project root:

    php sample.php

Unit test

To run the PHPUnit tests execute the follow command in Terminal from project root:

    cd vendor/bin
    phpunit ../../tests/MultipleTest
    phpunit ../../tests/ResponsibilityTest

or, only if you've phpunit in environment, in project root:

    phpunit -c ./tests/phpunit.xml

Usage

<?php
    require_once 'vendor/autoload.php';
    
    /*
     * Linio Client: uses chain of responsibility pattern
     */
    $linioClient = new \Linio\Client();
    $linioClient->getResult()->toPrintConsole();
    
    /*
     * Linio Lookup: uses recursion and lookup table
     */
    $linioLookup = new \Linio\Lookup();
    $linioLookup->getResult()->toPrintConsole();
    
    /*
     * The method getResult():
     *
     * getResult()->toJson() : strings
     * getResult()->toArray() : array
     * getResult()->toPrintConsole() : void
     * getResult()->toPrintHtml() : void
     */