原创 HDOJ 2120 Ice_cream's world I
Ice_cream’s world I ice_cream’s world is a rich country, it has many fertile lands. Today, the queen of ice_cream w
2020-06-29 23:02:32
原创 HDU1301 Jungle Roads
Jungle Roads The Head Elder of the tropical island of Lagrishan has a problem. A burst of foreign aid money was sp
2020-06-29 23:02:32
原创 百度之星初賽A 今夕何夕
今夕何夕 今天是2017年8月6日，農曆閏六月十五。 小度獨自憑欄，望着一輪圓月，發出了“今夕何夕，見此良人”的寂寞感慨。 爲了排遣鬱結，它決定思考一個數學問題：接下來最近的哪一年裏的同一個日子，和今天的星期數一樣？比如今天
2020-06-29 23:02:32
原创 poj 2533Longest Ordered Subsequence
Longest Ordered Subsequence Description A numeric sequence of ai is ordered if a1 < a2 < … < aN. Let the subsequenc
2020-06-29 23:02:32
原创 最長遞增子序列（模板）
最長公共子序列 （模板） 時間複雜度nlog（n）； 原理解釋 ： 我推薦看這篇博客，慢慢理解。 #include<cstdio> #include<algorithm> using namespace std; const
2020-06-29 23:02:32
原创 poj 1383 Labyrinth
poj 1383 Labyrinth 【 BFS實現 樹的直徑裸題】 The northern part of the Pyramid contains a very large and complicated labyrint
2020-02-26 00:31:22
原创 hdu 1257最少攔截系統
最少攔截系統 某國爲了防禦敵國的導彈襲擊,發展出一種導彈攔截系統.但是這種導彈攔截系統有一個缺陷:雖然它的第一發炮彈能夠到達任意的高度,但是以後每一發炮彈都不能超過前一發的高度.某天,雷達捕捉到敵國的導彈來襲.由於該系統還在試用階
2020-02-26 00:31:22
原创 LightOJ 1141 Number Transformation
Number Transformation In this problem, you are given an integer number s. You can transform any integer number A to
2020-02-26 00:31:22
原创 hdu 1325 Is It A Tree? (並查集)
Is It A Tree? A tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one
2020-02-26 00:31:22
原创 The Suspects POJ 1611
The Suspects Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized
2020-02-26 00:31:22
原创 HDU1272小希的迷宮
小希的迷宮 上次Gardon的迷宮城堡小希玩了很久（見Problem B），現在她也想設計一個迷宮讓Gardon來走。但是她設計迷宮的思路不一樣，首先她認爲所有的通道都應該是雙向連通的，就是說如果有一個通道連通了房間A和B，那麼既
2020-02-26 00:31:22
原创 POJ 1287 Networking
Networking You are assigned to design network connections between certain points in a wide area. You are given a se
2020-02-26 00:31:22
原创 POJ1789-Truck History
Truck History Advanced Cargo Movement, Ltd. uses trucks of different types. Some trucks are used for vegetable deli
2020-02-26 00:31:22
原创 HDU 5631 Rikka with Graph
Rikka with Graph As we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some m
2020-02-26 00:31:22
原创 poj-1751-Highways-(最小生成樹)
Highways he island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has a very poor system of public h
2020-02-26 00:31:22