2016年9月19日
ZOJ 1610 Count the Colors （线段树区间更新与统计）
摘要： Painting some colored segments on a line, some previously painted segments may be covered by some the subsequent ones. Your task is counting the segme 阅读全文
posted @ 2016-09-19 19:57 抓不住Jerry的Tom 阅读(193) 评论(0) 推荐(0)