56 lines
1.4 KiB
Markdown
56 lines
1.4 KiB
Markdown
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---
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id: 5900f41e1000cf542c50ff30
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challengeType: 5
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title: 'Problem 177: Integer angled Quadrilaterals'
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videoUrl: ''
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localeTitle: 问题177：整数角四边形
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---
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## Description
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<section id="description">设ABCD为凸四边形，对角线为AC和BD。在每个顶点处，对角线与两侧中的每一侧形成一个角度，从而产生八个角度角。 <p>例如，在顶点A处，两个角度是CAD，CAB。我们称之为四边形，当以“整角四边形”度数度量时，所有八个角度角都具有整数值。整数角度四边形的示例是正方形，其中所有八个角度角都是45°。另一个例子是DAC = 20°，BAC = 60°，ABD = 50°，CBD = 30°，BCA = 40°，DCA = 30°，CDB = 80°，ADB = 50°。非相似整数角度四边形的总数是多少？注意：在计算中，如果计算出的角度在整数值的10-9范围内，则可以假定计算出的角度是整数。 </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>euler177()</code>应返回129325。
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testString: 'assert.strictEqual(euler177(), 129325, "<code>euler177()</code> should return 129325.");'
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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 euler177() {
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// Good luck!
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return true;
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}
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euler177();
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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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