https://blog.yunwuhai.com/tags/%E6%B0%B4%E4%BB%99%E8%8A%B1%E6%95%B0/Recent content in 水仙花数 on 云雾海的博客Hugo -- gohugo.iozh-cnSun, 02 Nov 2025 16:37:50 +0800https://blog.yunwuhai.com/posts/%E7%AE%97%E6%B3%95/%E9%A2%98%E7%9B%AE/%E6%B0%B4%E4%BB%99%E8%8A%B1%E6%95%B0/Sun, 02 Nov 2025 16:37:50 +0800https://blog.yunwuhai.com/posts/%E7%AE%97%E6%B3%95/%E9%A2%98%E7%9B%AE/%E6%B0%B4%E4%BB%99%E8%8A%B1%E6%95%B0/<img src="https://blog.yunwuhai.com/posts/%E7%AE%97%E6%B3%95/%E9%A2%98%E7%9B%AE/%E6%B0%B4%E4%BB%99%E8%8A%B1%E6%95%B0/cover.jpg" alt="Featured image of post 水仙花数" /><h1 id="水仙花数"><a href="#%e6%b0%b4%e4%bb%99%e8%8a%b1%e6%95%b0" class="header-anchor"></a>水仙花数 </h1><h2 id="问题"><a href="#%e9%97%ae%e9%a2%98" class="header-anchor"></a>问题 </h2><p>三位数的水仙花数是指一个三位数的每个数字的立方和等于该数本身。求所有三位水仙花数。</p> <h2 id="程序"><a href="#%e7%a8%8b%e5%ba%8f" class="header-anchor"></a>程序 </h2><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="cl"><span class="k">for</span> <span class="n">num</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">100</span><span class="p">,</span> <span class="mi">1000</span><span class="p">):</span> </span></span><span class="line"><span class="cl"> <span class="n">a</span> <span class="o">=</span> <span class="n">num</span> <span class="o">//</span> <span class="mi">100</span> <span class="c1"># 百位</span> </span></span><span class="line"><span class="cl"> <span class="n">b</span> <span class="o">=</span> <span class="p">(</span><span class="n">num</span> <span class="o">//</span> <span class="mi">10</span><span class="p">)</span> <span class="o">%</span> <span class="mi">10</span> <span class="c1"># 十位</span> </span></span><span class="line"><span class="cl"> <span class="n">c</span> <span class="o">=</span> <span class="n">num</span> <span class="o">%</span> <span class="mi">10</span> <span class="c1"># 个位</span> </span></span><span class="line"><span class="cl"> <span class="k">if</span> <span class="n">a</span><span class="o">**</span><span class="mi">3</span> <span class="o">+</span> <span class="n">b</span><span class="o">**</span><span class="mi">3</span> <span class="o">+</span> <span class="n">c</span><span class="o">**</span><span class="mi">3</span> <span class="o">==</span> <span class="n">num</span><span class="p">:</span> </span></span><span class="line"><span class="cl"> <span class="nb">print</span><span class="p">(</span><span class="n">num</span><span class="p">)</span> </span></span></code></pre></div><h2 id="思想"><a href="#%e6%80%9d%e6%83%b3" class="header-anchor"></a>思想 </h2><p>穷举所有可能并打印合适的数。</p> <h2 id="执行效果"><a href="#%e6%89%a7%e8%a1%8c%e6%95%88%e6%9e%9c" class="header-anchor"></a>执行效果 </h2><img alt="image-20251102164034357" class="gallery-image" data-flex-basis="127px" data-flex-grow="53" height="141" loading="lazy" sizes="(max-width: 767px) calc(100vw - 30px), (max-width: 1023px) 700px, (max-width: 1279px) 950px, 1232px" src="https://blog.yunwuhai.com/posts/%E7%AE%97%E6%B3%95/%E9%A2%98%E7%9B%AE/%E6%B0%B4%E4%BB%99%E8%8A%B1%E6%95%B0/img/image-20251102164034357.webp" width="75">