60 lines
3.0 KiB
Markdown
60 lines
3.0 KiB
Markdown
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---
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id: afd15382cdfb22c9efe8b7de
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title: DNA Pairing
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isRequired: true
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challengeType: 5
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videoUrl: ''
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localeTitle: الحمض النووي الاقتران
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---
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## Description
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<section id="description"> يفتقد حبل الحمض النووي عنصر الإقران. تأخذ كل حرف ، والحصول على زوجها ، وإرجاع النتائج كصفيف 2D. <a href="http://en.wikipedia.org/wiki/Base_pair" target="_blank">أزواج القاعدة</a> هي زوج من AT و CG. تطابق العنصر المفقود مع الحرف المتوفر. قم بإرجاع الحرف المتوفر كعنصر الأول في كل صفيف. على سبيل المثال ، بالنسبة إلى مدخل GCG ، أرجع [["" G "،" C "] ، [" C "،" G "] ، [" G "،" C "]] يتم إقران الحرف وزوجه في صفيف ، ويتم تجميع جميع المصفوفات في صفيف تغليف واحد. تذكر استخدام <a href="http://forum.freecodecamp.org/t/how-to-get-help-when-you-are-stuck/19514" target="_blank">Read-Search-Ask</a> إذا واجهتك مشكلة. حاول إقران البرنامج. اكتب الكود الخاص بك. </section>
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## Instructions
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<section id="instructions">
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: 'يجب أن يعيد <code>pairElement("ATCGA")</code> <code>[["A","T"],["T","A"],["C","G"],["G","C"],["A","T"]]</code> .'
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testString: 'assert.deepEqual(pairElement("ATCGA"),[["A","T"],["T","A"],["C","G"],["G","C"],["A","T"]], "<code>pairElement("ATCGA")</code> should return <code>[["A","T"],["T","A"],["C","G"],["G","C"],["A","T"]]</code>.");'
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- text: 'يجب أن يعيد <code>pairElement("TTGAG")</code> <code>[["T","A"],["T","A"],["G","C"],["A","T"],["G","C"]]</code> .'
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testString: 'assert.deepEqual(pairElement("TTGAG"),[["T","A"],["T","A"],["G","C"],["A","T"],["G","C"]], "<code>pairElement("TTGAG")</code> should return <code>[["T","A"],["T","A"],["G","C"],["A","T"],["G","C"]]</code>.");'
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- text: 'يجب أن تعيد <code>pairElement("CTCTA")</code> <code>[["C","G"],["T","A"],["C","G"],["T","A"],["A","T"]]</code> .'
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testString: 'assert.deepEqual(pairElement("CTCTA"),[["C","G"],["T","A"],["C","G"],["T","A"],["A","T"]], "<code>pairElement("CTCTA")</code> should return <code>[["C","G"],["T","A"],["C","G"],["T","A"],["A","T"]]</code>.");'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function pairElement(str) {
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return str;
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}
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pairElement("GCG");
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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