2016年1月22日
(困难) CF 484E Sign on Fence，整体二分+线段树
摘要： Bizon the Champion has recently finished painting his wood fence. The fence consists of a sequence ofnpanels of1meter width and of arbitrary height. T... 阅读全文
posted @ 2016-01-22 20:20 WhyWhy。 阅读(418) 评论(0) 推荐(0) 编辑