56 lines
1.1 KiB
Markdown
56 lines
1.1 KiB
Markdown
---
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id: 5900f5311000cf542c510044
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challengeType: 5
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title: 'Problem 453: Lattice Quadrilaterals'
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videoUrl: ''
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localeTitle: 问题453:格子四边形
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---
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## Description
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<section id="description">简单的四边形是具有四个不同顶点的多边形,没有直角并且不会自相交。 <p>设Q(m,n)为简单四边形的数量,其顶点为格点,坐标(x,y)满足0≤x≤m且0≤y≤n。 </p><p>例如,Q(2,2)= 94,如下所示: </p><p>还可以证实Q(3,7)= 39590,Q(12,3)= 309000和Q(123,45)= 70542215894646。 </p><p>找到Q(12345,6789)mod 135707531。 </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>euler453()</code>应该返回104354107。
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testString: 'assert.strictEqual(euler453(), 104354107, "<code>euler453()</code> should return 104354107.");'
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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 euler453() {
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// Good luck!
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return true;
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}
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euler453();
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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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