Even Subarrays（数论问题）
摘要：
题目链接 题目描述： You are given an integer array $a_1,a_2,…,a_n (1≤a_i≤n).$ Find the number of subarrays of a whose XOR has an even number of divisors. In ot 阅读全文
posted @ 2022-12-31 20:07 KSzh 阅读(33) 评论(0) 推荐(0) 编辑