leetcode-problemset/leetcode-cn/originData/number-of-even-and-odd-bits.json

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        "question": {
            "questionId": "2659",
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            "categoryTitle": "Algorithms",
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            "title": "Number of Even and Odd Bits",
            "titleSlug": "number-of-even-and-odd-bits",
            "content": "<p>You are given a <strong>positive</strong> integer <code>n</code>.</p>\n\n<p>Let <code>even</code> denote the number of even indices in the binary representation of <code>n</code> (<strong>0-indexed</strong>) with value <code>1</code>.</p>\n\n<p>Let <code>odd</code> denote the number of odd indices in the binary representation of <code>n</code> (<strong>0-indexed</strong>) with value <code>1</code>.</p>\n\n<p>Return <em>an integer array </em><code>answer</code><em> where </em><code>answer = [even, odd]</code>.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> n = 17\n<strong>Output:</strong> [2,0]\n<strong>Explanation:</strong> The binary representation of 17 is 10001. \nIt contains 1 on the 0<sup>th</sup> and 4<sup>th</sup> indices. \nThere are 2 even and 0 odd indices.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> n = 2\n<strong>Output:</strong> [0,1]\n<strong>Explanation:</strong> The binary representation of 2 is 10.\nIt contains 1 on the 1<sup>st</sup> index. \nThere are 0 even and 1 odd indices.\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",
            "translatedTitle": "奇偶位数",
            "translatedContent": "<p>给你一个 <strong>正</strong> 整数 <code>n</code> 。</p>\n\n<p>用 <code>even</code> 表示在 <code>n</code> 的二进制形式（下标从 <strong>0</strong> 开始）中值为 <code>1</code> 的偶数下标的个数。</p>\n\n<p>用 <code>odd</code> 表示在 <code>n</code> 的二进制形式（下标从 <strong>0</strong> 开始）中值为 <code>1</code> 的奇数下标的个数。</p>\n\n<p>返回整数数组<em> </em><code>answer</code><em> </em>，其中<em> </em><code>answer = [even, odd]</code> 。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre><strong>输入：</strong>n = 17\n<strong>输出：</strong>[2,0]\n<strong>解释：</strong>17 的二进制形式是 10001 。 \n下标 0 和 下标 4 对应的值为 1 。 \n共有 2 个偶数下标，0 个奇数下标。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre><strong>输入：</strong>n = 2\n<strong>输出：</strong>[0,1]\n<strong>解释：</strong>2 的二进制形式是 10 。 \n下标 1 对应的值为 1 。 \n共有 0 个偶数下标，1 个奇数下标。\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= n &lt;= 1000</code></li>\n</ul>\n",
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                    "code": "class Solution {\npublic:\n    vector<int> evenOddBit(int n) {\n        \n    }\n};",
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            "hints": [
                "Maintain two integer variables, even and odd, to count the number of even and odd indices in the binary representation of integer n.",
                "Divide n by 2 while n is positive, and if n modulo 2 is 1, add 1 to its corresponding variable."
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