update

leetcode-cn/originData/snapshot-array.json

@@ -12,7 +12,7 @@
             "translatedContent": "<p>实现支持下列接口的「快照数组」-&nbsp;SnapshotArray：</p>\n\n<ul>\n\t<li><code>SnapshotArray(int length)</code>&nbsp;- 初始化一个与指定长度相等的 类数组 的数据结构。<strong>初始时，每个元素都等于</strong><strong>&nbsp;0</strong>。</li>\n\t<li><code>void set(index, val)</code>&nbsp;- 会将指定索引&nbsp;<code>index</code>&nbsp;处的元素设置为&nbsp;<code>val</code>。</li>\n\t<li><code>int snap()</code>&nbsp;- 获取该数组的快照，并返回快照的编号&nbsp;<code>snap_id</code>（快照号是调用&nbsp;<code>snap()</code>&nbsp;的总次数减去&nbsp;<code>1</code>）。</li>\n\t<li><code>int get(index, snap_id)</code>&nbsp;- 根据指定的&nbsp;<code>snap_id</code>&nbsp;选择快照，并返回该快照指定索引 <code>index</code>&nbsp;的值。</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><strong>示例：</strong></p>\n\n<pre><strong>输入：</strong>[&quot;SnapshotArray&quot;,&quot;set&quot;,&quot;snap&quot;,&quot;set&quot;,&quot;get&quot;]\n     [[3],[0,5],[],[0,6],[0,0]]\n<strong>输出：</strong>[null,null,0,null,5]\n<strong>解释：\n</strong>SnapshotArray snapshotArr = new SnapshotArray(3); // 初始化一个长度为 3 的快照数组\nsnapshotArr.set(0,5);  // 令 array[0] = 5\nsnapshotArr.snap();  // 获取快照，返回 snap_id = 0\nsnapshotArr.set(0,6);\nsnapshotArr.get(0,0);  // 获取 snap_id = 0 的快照中 array[0] 的值，返回 5</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= length&nbsp;&lt;= 50000</code></li>\n\t<li>题目最多进行<code>50000</code> 次<code>set</code>，<code>snap</code>，和&nbsp;<code>get</code>的调用 。</li>\n\t<li><code>0 &lt;= index&nbsp;&lt;&nbsp;length</code></li>\n\t<li><code>0 &lt;=&nbsp;snap_id &lt;&nbsp;</code>我们调用&nbsp;<code>snap()</code>&nbsp;的总次数</li>\n\t<li><code>0 &lt;=&nbsp;val &lt;= 10^9</code></li>\n</ul>\n",
             "isPaidOnly": false,
             "difficulty": "Medium",
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+            "likes": 86,
             "dislikes": 0,
             "isLiked": null,
             "similarQuestions": "[]",
@@ -155,7 +155,7 @@
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             "hints": [
                 "Use a list of lists, adding both the element and the snap_id to each index."
             ],