golang整数反转

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golang 整数反转

LeetCode题库题目╭(●｀∀′●)╯╰(●’◡’●)╮

给定一个 32 位有符号整数，将整数中的数字进行反转。
示例
输入: 123
输出: 321

<pre><code class="lang-javascript hljs"><span class="token comment">// An highlighted block</span> func <span class="token function">reverse</span><span class="token punctuation">(</span>x int<span class="token punctuation">)</span> int <span class="token punctuation">{</span> <span class="token keyword">var</span> nums<span class="token punctuation">,</span>newnums int <span class="token keyword">for</span> x <span class="token operator">!=</span> <span class="token number">0</span><span class="token punctuation">{</span><span class="token comment">//直到x等于0，跳出循环</span> a<span class="token punctuation">:</span><span class="token operator">=</span>x<span class="token operator">%</span><span class="token number">10</span> newnums<span class="token operator">=</span>nums<span class="token operator">*</span><span class="token number">10</span><span class="token operator"> </span>a nums<span class="token operator">=</span>newnums x<span class="token operator">=</span>x<span class="token operator">/</span><span class="token number">10</span> <span class="token comment">//题目要求其数值范围是 [−2^31, 2^31 − 1]。如果反转后的整数溢出，则返回 0。</span> MaxInt32 <span class="token punctuation">:</span><span class="token operator">=</span> <span class="token number">1</span><span class="token operator"><<</span><span class="token number">31</span> <span class="token operator">-</span> <span class="token number">1</span> MinInt32 <span class="token punctuation">:</span><span class="token operator">=</span> <span class="token operator">-</span><span class="token number">1</span> <span class="token operator"><<</span> <span class="token number">31</span> <span class="token keyword">if</span> nums <span class="token operator">></span> MaxInt32 <span class="token operator">||</span> nums <span class="token operator"><</span> MinInt32 <span class="token punctuation">{</span> <span class="token keyword">return</span> <span class="token number">0</span> <span class="token punctuation">}</span> <span class="token punctuation">}</span> <span class="token keyword">return</span> nums <span class="token punctuation">}</span> </code></pre>

就酱紫。。。(●′ω`●)

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