【十分不错】【离线+树状数组】【TOJ4105】【Lines Counting】
摘要:
On the number axis, there are N lines. The two endpoints L and R of each line are integer. Give you M queries, each query contains two intervals: [L... 阅读全文
posted @ 2015-07-11 02:04 DDUPzy 阅读(123) 评论(0) 推荐(0) 编辑