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            "categoryTitle": "Algorithms",
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            "title": "Number of Steps to Reduce a Number to Zero",
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            "content": "<p>Given an integer <code>num</code>, return <em>the number of steps to reduce it to zero</em>.</p>\n\n<p>In one step, if the current number is even, you have to divide it by <code>2</code>, otherwise, you have to subtract <code>1</code> from it.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> num = 14\n<strong>Output:</strong> 6\n<strong>Explanation:</strong>&nbsp;\nStep 1) 14 is even; divide by 2 and obtain 7.&nbsp;\nStep 2) 7 is odd; subtract 1 and obtain 6.\nStep 3) 6 is even; divide by 2 and obtain 3.&nbsp;\nStep 4) 3 is odd; subtract 1 and obtain 2.&nbsp;\nStep 5) 2 is even; divide by 2 and obtain 1.&nbsp;\nStep 6) 1 is odd; subtract 1 and obtain 0.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> num = 8\n<strong>Output:</strong> 4\n<strong>Explanation:</strong>&nbsp;\nStep 1) 8 is even; divide by 2 and obtain 4.&nbsp;\nStep 2) 4 is even; divide by 2 and obtain 2.&nbsp;\nStep 3) 2 is even; divide by 2 and obtain 1.&nbsp;\nStep 4) 1 is odd; subtract 1 and obtain 0.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> num = 123\n<strong>Output:</strong> 12\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>0 &lt;= num &lt;= 10<sup>6</sup></code></li>\n</ul>\n",
            "translatedTitle": "将数字变成 0 的操作次数",
            "translatedContent": "<p>给你一个非负整数&nbsp;<code>num</code>&nbsp;，请你返回将它变成 0 所需要的步数。 如果当前数字是偶数，你需要把它除以 2 ；否则，减去 1 。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre><strong>输入：</strong>num = 14\n<strong>输出：</strong>6\n<strong>解释：\n</strong>步骤 1) 14 是偶数，除以 2 得到 7 。\n步骤 2） 7 是奇数，减 1 得到 6 。\n步骤 3） 6 是偶数，除以 2 得到 3 。\n步骤 4） 3 是奇数，减 1 得到 2 。\n步骤 5） 2 是偶数，除以 2 得到 1 。\n步骤 6） 1 是奇数，减 1 得到 0 。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre><strong>输入：</strong>num = 8\n<strong>输出：</strong>4\n<strong>解释：</strong>\n步骤 1） 8 是偶数，除以 2 得到 4 。\n步骤 2） 4 是偶数，除以 2 得到 2 。\n步骤 3） 2 是偶数，除以 2 得到 1 。\n步骤 4） 1 是奇数，减 1 得到 0 。\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre><strong>输入：</strong>num = 123\n<strong>输出：</strong>12\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>0 &lt;= num &lt;= 10^6</code></li>\n</ul>\n",
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