随笔分类 -  (题解) CF

(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(434) 评论(0) 推荐(0)
(中等) CF 585D Lizard Era: Beginning，中途相遇。
摘要：In the game Lizard Era: Beginning the protagonist will travel with three companions: Lynn, Meliana and Worrigan. Overall the game hasnmandatory ques... 阅读全文
posted @ 2015-10-13 19:14 WhyWhy。 阅读(358) 评论(0) 推荐(0)
(中等) CF 585B Phillip and Trains，BFS。
摘要：The mobile application store has a new game called "Subway Roller".The protagonist of the game Philip is located in one end of the tunnel and wants ... 阅读全文
posted @ 2015-10-13 00:25 WhyWhy。 阅读(364) 评论(0) 推荐(0)
(中等) CF 585C Alice, Bob, Oranges and Apples，矩阵+辗转相除。
摘要：Alice and Bob decided to eat some fruit. In the kitchen they found a large bag of oranges and apples. Alice immediately took an orange for herself, ... 阅读全文
posted @ 2015-10-13 00:20 WhyWhy。 阅读(681) 评论(2) 推荐(0)
(中等) CF 555E Case of Computer Network，双连通+树。
摘要：Andrewid the Android is a galaxy-known detective. Now he is preparing a defense against a possible attack by hackers on a major computer network.In ... 阅读全文
posted @ 2015-10-12 00:30 WhyWhy。 阅读(391) 评论(0) 推荐(0)
(简单) CF 44D Hyperdrive，数学。
摘要：In a far away galaxy there areninhabited planets, numbered with numbers from1ton. They are located at large distances from each other, that's why th... 阅读全文
posted @ 2015-10-09 22:02 WhyWhy。 阅读(230) 评论(0) 推荐(0)
(中等) CF 311B Cats Transport，斜率优化DP。
摘要：Zxr960115 is owner of a large farm. He feedsmcute cats and employspfeeders. There's a straight road across the farm andnhills along the road, number... 阅读全文
posted @ 2015-10-09 21:49 WhyWhy。 阅读(614) 评论(0) 推荐(1)
(中等) CF 576D Flights for Regular Customers (#319 Div1 D题)，矩阵快速幂。
摘要：In the country there are exactlyncities numbered with positive integers from1ton. In each city there is an airport is located.Also, there is the onl... 阅读全文
posted @ 2015-10-05 00:02 WhyWhy。 阅读(403) 评论(1) 推荐(0)