fastle
垆边人似月 皓腕凝霜雪
摘要: ```cpp / 显然位之间会互不影响, 然后分位来统计, 显然&只有全1才有贡献, 显然|只有全0才没贡献 分别n^2处理即可 / include include include include include define ll long long define M 1010 using nam 阅读全文
posted @ 2019-04-23 16:54 fastle 阅读(111) 评论(0) 推荐(0) 编辑