2-keys-keyboard.json

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            "content": "<p>There is only one character <code>&#39;A&#39;</code> on the screen of a notepad. You can perform two operations on this notepad for each step:</p>\n\n<ul>\n\t<li>Copy All: You can copy all the characters present on the screen (a partial copy is not allowed).</li>\n\t<li>Paste: You can paste the characters which are copied last time.</li>\n</ul>\n\n<p>Given an integer <code>n</code>, return <em>the minimum number of operations to get the character</em> <code>&#39;A&#39;</code> <em>exactly</em> <code>n</code> <em>times on the screen</em>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> n = 3\n<strong>Output:</strong> 3\n<strong>Explanation:</strong> Intitally, we have one character &#39;A&#39;.\nIn step 1, we use Copy All operation.\nIn step 2, we use Paste operation to get &#39;AA&#39;.\nIn step 3, we use Paste operation to get &#39;AAA&#39;.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> n = 1\n<strong>Output:</strong> 0\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= n &lt;= 1000</code></li>\n</ul>\n",
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