ee1e8abd87
* feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
43 lines
825 B
Markdown
43 lines
825 B
Markdown
---
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id: 5900f43e1000cf542c50ff4f
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title: 问题209：循环逻辑
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challengeType: 5
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videoUrl: ''
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dashedName: problem-209-circular-logic
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---
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# --description--
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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：
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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
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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）？
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# --hints--
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`euler209()`应该返回15964587728784。
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```js
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assert.strictEqual(euler209(), 15964587728784);
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```
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# --seed--
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## --seed-contents--
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```js
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function euler209() {
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return true;
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}
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euler209();
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```
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# --solutions--
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```js
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// solution required
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```
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