56 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| ---
 | ||
| id: 5900f43e1000cf542c50ff4f
 | ||
| challengeType: 5
 | ||
| title: 'Problem 209: Circular Logic'
 | ||
| videoUrl: ''
 | ||
| localeTitle: 问题209:循环逻辑
 | ||
| ---
 | ||
| 
 | ||
| ## Description
 | ||
| <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>
 | ||
| 
 | ||
| ## Instructions
 | ||
| <section id="instructions">
 | ||
| </section>
 | ||
| 
 | ||
| ## Tests
 | ||
| <section id='tests'>
 | ||
| 
 | ||
| ```yml
 | ||
| tests:
 | ||
|   - text: <code>euler209()</code>应该返回15964587728784。
 | ||
|     testString: 'assert.strictEqual(euler209(), 15964587728784, "<code>euler209()</code> should return 15964587728784.");'
 | ||
| 
 | ||
| ```
 | ||
| 
 | ||
| </section>
 | ||
| 
 | ||
| ## Challenge Seed
 | ||
| <section id='challengeSeed'>
 | ||
| 
 | ||
| <div id='js-seed'>
 | ||
| 
 | ||
| ```js
 | ||
| function euler209() {
 | ||
|   // Good luck!
 | ||
|   return true;
 | ||
| }
 | ||
| 
 | ||
| euler209();
 | ||
| 
 | ||
| ```
 | ||
| 
 | ||
| </div>
 | ||
| 
 | ||
| 
 | ||
| 
 | ||
| </section>
 | ||
| 
 | ||
| ## Solution
 | ||
| <section id='solution'>
 | ||
| 
 | ||
| ```js
 | ||
| // solution required
 | ||
| ```
 | ||
| </section>
 |