go语言数组反转

<svg xmlns="http://www.w3.org/2000/svg" style="display: none;"><path stroke-linecap="round" d="M5,0 0,2.5 5,5z" id="raphael-marker-block" style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0);"/></svg><pre><code class="lang-go hljs"><span class="token keyword">package</span> main <span class="token keyword">import</span> <span class="token punctuation">(</span> <span class="token string">"fmt"</span> <span class="token string">"math/rand"</span> <span class="token string">"time"</span> <span class="token punctuation">)</span> <span class="token comment">//数组反转</span> <span class="token comment">//随机生成5个数，然后反转</span> <span class="token keyword">func</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> <span class="token keyword">var</span> arr <span class="token punctuation">[</span><span class="token number">5</span><span class="token punctuation">]</span><span class="token builtin">int</span> <span class="token comment">//获取时间戳来获取随机数</span> rand<span class="token punctuation">.</span><span class="token function">Seed</span><span class="token punctuation">(</span>time<span class="token punctuation">.</span><span class="token function">Now</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">UnixNano</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token keyword">for</span> i <span class="token operator">:=</span> <span class="token number">0</span><span class="token punctuation">;</span>i <span class="token operator"><</span> <span class="token function">len</span><span class="token punctuation">(</span>arr<span class="token punctuation">)</span><span class="token punctuation">;</span>i<span class="token operator"> </span><span class="token punctuation">{</span> arr<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">=</span> rand<span class="token punctuation">.</span><span class="token function">Intn</span><span class="token punctuation">(</span><span class="token number">100</span><span class="token punctuation">)</span> <span class="token punctuation">}</span> fmt<span class="token punctuation">.</span><span class="token function">Println</span><span class="token punctuation">(</span>arr<span class="token punctuation">)</span> <span class="token comment">//创建一个临时的变量，</span> <span class="token keyword">var</span> tem <span class="token builtin">int</span> <span class="token comment">//倒数第一个跟第一个交换，交换的次数是数组的长度/2</span> <span class="token keyword">for</span> i <span class="token operator">:=</span> <span class="token number">0</span><span class="token punctuation">;</span>i <span class="token operator"><</span> <span class="token function">len</span><span class="token punctuation">(</span>arr<span class="token punctuation">)</span><span class="token operator">/</span><span class="token number">2</span><span class="token punctuation">;</span>i<span class="token operator"> </span> <span class="token punctuation">{</span> tem <span class="token operator">=</span> arr<span class="token punctuation">[</span><span class="token function">len</span><span class="token punctuation">(</span>arr<span class="token punctuation">)</span><span class="token operator">-</span>i<span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">]</span> arr<span class="token punctuation">[</span><span class="token function">len</span><span class="token punctuation">(</span>arr<span class="token punctuation">)</span> <span class="token operator">-</span> i <span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">]</span> <span class="token operator">=</span> arr<span class="token punctuation">[</span>i<span class="token punctuation">]</span> arr<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">=</span> tem <span class="token punctuation">}</span> fmt<span class="token punctuation">.</span><span class="token function">Println</span><span class="token punctuation">(</span>arr<span class="token punctuation">)</span> <span class="token punctuation">}</span> </code></pre> 到此这篇关于“go语言数组反转”的文章就介绍到这了,更多文章或继续浏览下面的相关文章，希望大家以后多多支持JQ教程网！

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