56 lines
1.2 KiB
Markdown
56 lines
1.2 KiB
Markdown
---
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id: 5900f53a1000cf542c51004c
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challengeType: 5
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title: 'Problem 461: Almost Pi'
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videoUrl: ''
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localeTitle: 问题461:几乎是Pi
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---
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## Description
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<section id="description">对于所有非负整数k,设fn(k)= ek / n-1。值得注意的是,f200(6)+ f200(75)+ f200(89)+ f200(226)= 3.141592644529 ...≈π。事实上,对于n = 200,它是fn(a)+ fn(b)+ fn(c)+ fn(d)形式的π的最佳近似值。设g(n)= a2 + b2 + c2 + d 2为a,b,c,d最小化错误:| fn(a)+ fn(b)+ fn(c)+ fn(d) - π| (其中| x |表示x的绝对值)。给出g(200)= 62 + 752 + 892 + 2262 = 64658.求g(10000)。 </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>euler461()</code>应该返回159820276。
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testString: 'assert.strictEqual(euler461(), 159820276, "<code>euler461()</code> should return 159820276.");'
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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 euler461() {
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// Good luck!
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return true;
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}
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euler461();
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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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