2019年9月3日
CodeForces - 914D Bash and a Tough Math Puzzle(线段树)
摘要： 题面 Bash likes playing with arrays. He has an array a1, a2, ... an of n integers. He likes to guess the greatest common divisor (gcd) of different segm 阅读全文
posted @ 2019-09-03 20:00 断腿三郎 阅读(262) 评论(0) 推荐(0)