56 lines
905 B
Markdown
56 lines
905 B
Markdown
---
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id: 5900f48f1000cf542c50ffa1
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challengeType: 5
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title: 'Problem 290: Digital Signature'
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videoUrl: ''
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localeTitle: 'Problema 290: Firma digital'
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---
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## Description
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<section id="description"> ¿Cuántos enteros 0 ≤ n <1018 tienen la propiedad de que la suma de los dígitos de n es igual a la suma de los dígitos de 137n? </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: <code>euler290()</code> debe devolver 20444710234716470.
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testString: 'assert.strictEqual(euler290(), 20444710234716470, "<code>euler290()</code> should return 20444710234716470.");'
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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 euler290() {
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// Good luck!
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return true;
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}
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euler290();
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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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