61 lines
2.4 KiB
Markdown
61 lines
2.4 KiB
Markdown
---
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title: Emirp primes
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id: 599d0ba974141b0f508b37d5
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challengeType: 5
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videoUrl: ''
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localeTitle: Emirp奖金
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---
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## Description
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<section id="description"><p>一个emirp（向后拼写的主要拼写）是素数，当它们被反转时（在它们的十进制表示中）是一个不同的素数。 </p><p>编写应能功能：显示前<b>n</b> eprimes numbers.Show在range.Show的eprimes数字eprimes的在range.Show <b><sup>第</sup> n <sup>个</sup></b> eprimes数目。 </p><p>该函数应该有两个参数。第一个将接收<b>n</b>或作为数组的范围。第二个将接收一个布尔值，它指定函数是否将eprimes作为数组或单个数字（范围中的素数或第<b>n <sup>个</sup></b>素数）返回。根据参数，函数应返回数组或数字。 </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>emirps</code>是一个功能。
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testString: 'assert(typeof emirps === "function", "<code>emirps</code> is a function.");'
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- text: '<code>emirps(20,true)</code>应该返回<code>[13,17,31,37,71,73,79,97,107,113,149,157,167,179,199,311,337,347,359,389]</code>'
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testString: 'assert.deepEqual(emirps(20, true), [13, 17, 31, 37, 71, 73, 79, 97, 107, 113, 149, 157, 167, 179, 199, 311, 337, 347, 359, 389], "<code>emirps(20,true)</code> should return <code>[13,17,31,37,71,73,79,97,107,113,149,157,167,179,199,311,337,347,359,389]</code>");'
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- text: <code>emirps(10000)</code>应该返回<code>948349</code>
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testString: 'assert.deepEqual(emirps(10000), 948349, "<code>emirps(10000)</code> should return <code>948349</code>");'
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- text: '<code>emirps([7700,8000],true)</code>应该返回<code>[7717,7757,7817,7841,7867,7879,7901,7927,7949,7951,7963]</code>'
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testString: 'assert.deepEqual(emirps([7700, 8000], true), [7717, 7757, 7817, 7841, 7867, 7879, 7901, 7927, 7949, 7951, 7963], "<code>emirps([7700,8000],true)</code> should return <code>[7717,7757,7817,7841,7867,7879,7901,7927,7949,7951,7963]</code>");'
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- text: '<code>emirps([7700,8000],true)</code>应该返回<code>11</code>'
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testString: 'assert.deepEqual(emirps([7700, 8000], false), 11, "<code>emirps([7700,8000],true)</code> should return <code>11</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 emirps(n) {
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// Good luck!
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}
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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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