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Leetcode 1310. 子数组异或查询
2022-07-17 14:27:00 【我不是萧海哇~~~~】
有一个正整数数组 arr,现给你一个对应的查询数组 queries,其中 queries[i] = [Li, Ri]。
对于每个查询 i,请你计算从 Li 到 Ri 的 XOR 值(即 arr[Li] xor arr[Li+1] xor … xor arr[Ri])作为本次查询的结果。
并返回一个包含给定查询 queries 所有结果的数组。
示例 1:
输入:arr = [1,3,4,8], queries = [[0,1边栏推荐
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