摘要: B - Power Sequence Let's call a list of positive integers a0,a1,...,an−1a0,a1,...,an−1 a power sequence if there is a positive integer cc, so that for 阅读全文
posted @ 2020-10-25 21:26 nanmoon 阅读(79) 评论(0) 推荐(0) 编辑