摘要: A. Art solved by sdcgvhgj 3min 签到 B. Biology solved by sdcgvhgj 85min 暴力 C Computer Science solved by rdc 16min 题意 数轴上有一些点,求极短长度 x,使得存在 $n$ 个区间,第 $i$ 阅读全文
posted @ 2019-07-28 18:17 FST_stay_night 阅读(256) 评论(0) 推荐(0)