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<title>Codewars Challenge 2024 Menggunakan R dan RStudio - 3&nbsp; If you can’t sleep, just count sheep!!</title>
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<h1 class="title"><span class="chapter-number">3</span>&nbsp; <span class="chapter-title">If you can’t sleep, just count sheep!!</span></h1>
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<p><span class="badge rounded-pill quarto-badge " style="background-color: grey;">8kyu</span> Tantangan #3/366 - 17 Feb 2024</p>
<p><a href="https://www.codewars.com/kata/5b077ebdaf15be5c7f000077" class="uri">https://www.codewars.com/kata/5b077ebdaf15be5c7f000077</a></p>
<section id="instruction" class="level2" data-number="3.1">
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<p>Given a non-negative integer, 3 for example, return a string with a murmur: “1 sheep…2 sheep…3 sheep…”. Input will always be valid, i.e.&nbsp;no negative integers.</p>
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<p>Solusi bar-bar</p>
<div class="cell">
<div class="sourceCode cell-code" id="cb1"><pre class="sourceCode r code-with-copy"><code class="sourceCode r"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a>countSheep <span class="ot">&lt;-</span> <span class="cf">function</span>(num){</span>
<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a>  <span class="cf">if</span>(num <span class="sc">==</span> <span class="dv">0</span>){</span>
<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a>    <span class="fu">return</span>(<span class="st">""</span>)</span>
<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a>  } <span class="cf">else</span> {</span>
<span id="cb1-5"><a href="#cb1-5" aria-hidden="true" tabindex="-1"></a>    result <span class="ot">&lt;-</span> <span class="st">""</span></span>
<span id="cb1-6"><a href="#cb1-6" aria-hidden="true" tabindex="-1"></a>    <span class="cf">for</span>(i <span class="cf">in</span> <span class="dv">1</span><span class="sc">:</span>num){</span>
<span id="cb1-7"><a href="#cb1-7" aria-hidden="true" tabindex="-1"></a>      result <span class="ot">&lt;-</span> <span class="fu">paste</span>(result, i, <span class="st">" sheep..."</span>, <span class="at">sep =</span> <span class="st">""</span>)</span>
<span id="cb1-8"><a href="#cb1-8" aria-hidden="true" tabindex="-1"></a>    }</span>
<span id="cb1-9"><a href="#cb1-9" aria-hidden="true" tabindex="-1"></a>    <span class="fu">return</span>(result)</span>
<span id="cb1-10"><a href="#cb1-10" aria-hidden="true" tabindex="-1"></a>  }</span>
<span id="cb1-11"><a href="#cb1-11" aria-hidden="true" tabindex="-1"></a>}</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
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<p>Solusi simple</p>
<div class="cell">
<div class="sourceCode cell-code" id="cb2"><pre class="sourceCode r code-with-copy"><code class="sourceCode r"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a>countSheep <span class="ot">&lt;-</span> <span class="cf">function</span>(num){</span>
<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a>  <span class="fu">ifelse</span>(num <span class="sc">==</span> <span class="dv">0</span>, <span class="st">""</span>, <span class="fu">paste</span>(<span class="dv">1</span><span class="sc">:</span>num, <span class="st">"sheep..."</span>, <span class="at">collapse =</span> <span class="st">""</span>))</span>
<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a>}</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
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<div class="cell">
<div class="sourceCode cell-code" id="cb3"><pre class="sourceCode r code-with-copy"><code class="sourceCode r"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="fu">library</span>(testthat)</span>
<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a></span>
<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="fu">test_that</span>(<span class="st">"Fixed tests"</span>, {</span>
<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a>  <span class="fu">expect_equal</span>(<span class="fu">countSheep</span>(<span class="dv">0</span>), <span class="st">""</span>)</span>
<span id="cb3-5"><a href="#cb3-5" aria-hidden="true" tabindex="-1"></a>  <span class="fu">expect_equal</span>(<span class="fu">countSheep</span>(<span class="dv">1</span>), <span class="st">"1 sheep..."</span>)</span>
<span id="cb3-6"><a href="#cb3-6" aria-hidden="true" tabindex="-1"></a>  <span class="fu">expect_equal</span>(<span class="fu">countSheep</span>(<span class="dv">2</span>), <span class="st">"1 sheep...2 sheep..."</span>)</span>
<span id="cb3-7"><a href="#cb3-7" aria-hidden="true" tabindex="-1"></a>  <span class="fu">expect_equal</span>(<span class="fu">countSheep</span>(<span class="dv">3</span>), <span class="st">"1 sheep...2 sheep...3 sheep..."</span>)</span>
<span id="cb3-8"><a href="#cb3-8" aria-hidden="true" tabindex="-1"></a>})</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
<div class="cell-output cell-output-stdout">
<pre><code>Test passed 😸</code></pre>
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