56 lines
1.1 KiB
Markdown
56 lines
1.1 KiB
Markdown
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---
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id: 5900f43e1000cf542c50ff4f
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challengeType: 5
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title: 'Problem 209: Circular Logic'
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videoUrl: ''
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localeTitle: 问题209：循环逻辑
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---
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## Description
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<section id="description"> k输入二进制真值表是从k个输入位（二进制数字，0 [假]或1 [真]）到1个输出位的映射。例如，逻辑AND和XOR函数的2输入二进制真值表是： <p> x y x AND y000010100111x y x XOR y000011101110多个6输入二进制真值表τ满足公式</p><p>所有6位输入（a，b，c，τ，a，b，c，d，e，f）和τ（b，c，d，e，f，一个XOR（b和c））= 0 d，e，f）？ </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>euler209()</code>应该返回15964587728784。
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testString: 'assert.strictEqual(euler209(), 15964587728784, "<code>euler209()</code> should return 15964587728784.");'
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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 euler209() {
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// Good luck!
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return true;
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}
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euler209();
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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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