leetcode-problemset/leetcode-cn/originData/xor-queries-of-a-subarray.json

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        "question": {
            "questionId": "1435",
            "questionFrontendId": "1310",
            "categoryTitle": "Algorithms",
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            "title": "XOR Queries of a Subarray",
            "titleSlug": "xor-queries-of-a-subarray",
            "content": "<p>You are given an array <code>arr</code> of positive integers. You are also given the array <code>queries</code> where <code>queries[i] = [left<sub>i, </sub>right<sub>i</sub>]</code>.</p>\n\n<p>For each query <code>i</code> compute the <strong>XOR</strong> of elements from <code>left<sub>i</sub></code> to <code>right<sub>i</sub></code> (that is, <code>arr[left<sub>i</sub>] XOR arr[left<sub>i</sub> + 1] XOR ... XOR arr[right<sub>i</sub>]</code> ).</p>\n\n<p>Return an array <code>answer</code> where <code>answer[i]</code> is the answer to the <code>i<sup>th</sup></code> query.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = [1,3,4,8], queries = [[0,1],[1,2],[0,3],[3,3]]\n<strong>Output:</strong> [2,7,14,8] \n<strong>Explanation:</strong> \nThe binary representation of the elements in the array are:\n1 = 0001 \n3 = 0011 \n4 = 0100 \n8 = 1000 \nThe XOR values for queries are:\n[0,1] = 1 xor 3 = 2 \n[1,2] = 3 xor 4 = 7 \n[0,3] = 1 xor 3 xor 4 xor 8 = 14 \n[3,3] = 8\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = [4,8,2,10], queries = [[2,3],[1,3],[0,0],[0,3]]\n<strong>Output:</strong> [8,0,4,4]\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= arr.length, queries.length &lt;= 3 * 10<sup>4</sup></code></li>\n\t<li><code>1 &lt;= arr[i] &lt;= 10<sup>9</sup></code></li>\n\t<li><code>queries[i].length == 2</code></li>\n\t<li><code>0 &lt;= left<sub>i</sub> &lt;= right<sub>i</sub> &lt; arr.length</code></li>\n</ul>\n",
            "translatedTitle": "子数组异或查询",
            "translatedContent": "<p>有一个正整数数组 <code>arr</code>，现给你一个对应的查询数组 <code>queries</code>，其中 <code>queries[i] = [L<sub>i, </sub>R<sub>i</sub>]</code>。</p>\n\n<p>对于每个查询 <code>i</code>，请你计算从 <code>L<sub>i</sub></code> 到 <code>R<sub>i</sub></code> 的 <strong>XOR</strong> 值（即 <code>arr[L<sub>i</sub>] <strong>xor</strong> arr[L<sub>i</sub>+1] <strong>xor</strong> ... <strong>xor</strong> arr[R<sub>i</sub>]</code>）作为本次查询的结果。</p>\n\n<p>并返回一个包含给定查询 <code>queries</code> 所有结果的数组。</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>arr = [1,3,4,8], queries = [[0,1],[1,2],[0,3],[3,3]]\n<strong>输出：</strong>[2,7,14,8] \n<strong>解释：</strong>\n数组中元素的二进制表示形式是：\n1 = 0001 \n3 = 0011 \n4 = 0100 \n8 = 1000 \n查询的 XOR 值为：\n[0,1] = 1 xor 3 = 2 \n[1,2] = 3 xor 4 = 7 \n[0,3] = 1 xor 3 xor 4 xor 8 = 14 \n[3,3] = 8\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>arr = [4,8,2,10], queries = [[2,3],[1,3],[0,0],[0,3]]\n<strong>输出：</strong>[8,0,4,4]\n</pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 <= arr.length <= 3 * 10^4</code></li>\n\t<li><code>1 <= arr[i] <= 10^9</code></li>\n\t<li><code>1 <= queries.length <= 3 * 10^4</code></li>\n\t<li><code>queries[i].length == 2</code></li>\n\t<li><code>0 <= queries[i][0] <= queries[i][1] < arr.length</code></li>\n</ul>\n",
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                    "name": "Bit Manipulation",
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                "What is the result of x ^ y ^ x ?",
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