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"translatedContent": "<p>给你一个嵌套的整数列表 <code>nestedList</code> 。每个元素要么是一个整数,要么是一个列表;该列表的元素也可能是整数或者是其他列表。请你实现一个迭代器将其扁平化,使之能够遍历这个列表中的所有整数。</p>\n\n<p>实现扁平迭代器类 <code>NestedIterator</code> </p>\n\n<ul>\n\t<li><code>NestedIterator(List&lt;NestedInteger&gt; nestedList)</code> 用嵌套列表 <code>nestedList</code> 初始化迭代器。</li>\n\t<li><code>int next()</code> 返回嵌套列表的下一个整数。</li>\n\t<li><code>boolean hasNext()</code> 如果仍然存在待迭代的整数,返回 <code>true</code> ;否则,返回 <code>false</code> 。</li>\n</ul>\n\n<p>你的代码将会用下述伪代码检测:</p>\n\n<pre>\ninitialize iterator with nestedList\nres = []\nwhile iterator.hasNext()\n append iterator.next() to the end of res\nreturn res</pre>\n\n<p>如果 <code>res</code> 与预期的扁平化列表匹配,那么你的代码将会被判为正确。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1</strong></p>\n\n<pre>\n<strong>输入:</strong>nestedList = [[1,1],2,[1,1]]\n<strong>输出:</strong>[1,1,2,1,1]\n<strong>解释:</strong>通过重复调用&nbsp;<em>next </em>直到&nbsp;<em>hasNex</em>t 返回 false<em>next&nbsp;</em>返回的元素的顺序应该是: <code>[1,1,2,1,1]</code>。</pre>\n\n<p><strong>示例 2</strong></p>\n\n<pre>\n<strong>输入:</strong>nestedList = [1,[4,[6]]]\n<strong>输出:</strong>[1,4,6]\n<strong>解释:</strong>通过重复调用&nbsp;<em>next&nbsp;</em>直到&nbsp;<em>hasNex</em>t 返回 false<em>next&nbsp;</em>返回的元素的顺序应该是: <code>[1,4,6]</code>。\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= nestedList.length &lt;= 500</code></li>\n\t<li>嵌套列表中的整数值在范围 <code>[-10<sup>6</sup>, 10<sup>6</sup>]</code> 内</li>\n</ul>\n",
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