2018年4月28日
hdu 3874（树状数组）题解
摘要： Problem DescriptionMery has a beautiful necklace. The necklace is made up of N magic balls. Each ball has a beautiful value. The balls... 阅读全文
posted @ 2018-04-28 12:29 KirinSB 阅读(177) 评论(0) 推荐(0) 编辑