1
0
mirror of https://gitee.com/coder-xiaomo/leetcode-problemset synced 2025-01-11 02:58:13 +08:00
Code Issues Projects Releases Wiki Activity GitHub Gitee
leetcode-problemset/leetcode-cn/problem (Chinese)/交替打印字符串 [fizz-buzz-multithreaded].html
2022-03-29 12:43:11 +08:00

40 lines
1.8 KiB
HTML
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<p>编写一个可以从 1 到 n 输出代表这个数字的字符串的程序,但是:</p>
<ul>
<li>如果这个数字可以被 3 整除,输出 "fizz"。</li>
<li>如果这个数字可以被 5 整除,输出 "buzz"。</li>
<li>如果这个数字可以同时被 3 和 5 整除,输出 "fizzbuzz"。</li>
</ul>
<p>例如,当 <code>n = 15</code>,输出: <code>1, 2, fizz, 4, buzz, fizz, 7, 8, fizz, buzz, 11, fizz, 13, 14, fizzbuzz</code></p>
<p>假设有这么一个类:</p>
<pre>
class FizzBuzz {
  public FizzBuzz(int n) { ... }  // constructor
public void fizz(printFizz) { ... } // only output "fizz"
public void buzz(printBuzz) { ... } // only output "buzz"
public void fizzbuzz(printFizzBuzz) { ... } // only output "fizzbuzz"
public void number(printNumber) { ... } // only output the numbers
}</pre>
<p>请你实现一个有四个线程的多线程版  <code>FizzBuzz</code>, 同一个 <code>FizzBuzz</code> 实例会被如下四个线程使用:</p>
<ol>
<li>线程A将调用 <code>fizz()</code> 来判断是否能被 3 整除,如果可以,则输出 <code>fizz</code></li>
<li>线程B将调用 <code>buzz()</code> 来判断是否能被 5 整除,如果可以,则输出 <code>buzz</code></li>
<li>线程C将调用 <code>fizzbuzz()</code> 来判断是否同时能被 3 和 5 整除,如果可以,则输出 <code>fizzbuzz</code></li>
<li>线程D将调用 <code>number()</code> 来实现输出既不能被 3 整除也不能被 5 整除的数字。</li>
</ol>
<p> </p>
<p><strong>提示:</strong></p>
<ul>
<li>本题已经提供了打印字符串的相关方法,如 <code>printFizz()</code> 等,具体方法名请参考答题模板中的注释部分。</li>
</ul>
<p> </p>