56 lines
1002 B
Markdown
56 lines
1002 B
Markdown
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---
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id: 5900f52c1000cf542c51003e
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challengeType: 5
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title: 'Problem 447: Retractions C'
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videoUrl: ''
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localeTitle: 'Problema 447: Retractions C'
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---
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## Description
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<section id="description"> Para cada inteiro n> 1, a família de funções fn, a, b é definida por fn, a, b (x) ≡ax + b mod n para a, b, x inteiro e 0 <p> F (N) = ∑R (n) para 2≤n≤N. F (107) ≡638042271 (mod. 1 000 000 007). </p><p> Encontre F (1014) (mod 1 000 000 007). </p></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>euler447()</code> deve retornar 530553372.
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testString: 'assert.strictEqual(euler447(), 530553372, "<code>euler447()</code> should return 530553372.");'
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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 euler447() {
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// Good luck!
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return true;
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}
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euler447();
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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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