2017年3月21日
ZOJ-1610 Count the Colors 【线段树+区间更新】
摘要： Description Painting some colored segments on a line, some previously painted segments may be covered by some the subsequent ones. Your task is counti 阅读全文
posted @ 2017-03-21 20:17 Robin! 阅读(131) 评论(0) 推荐(0)