原创 NoClassDefFoundError 可能出現的情況

NoClassDefFoundError可能出現的情況 一種情況就是因爲靜態變量加載不到原因 工程裏沒有將jar添加到classpath，maven項目的，需要根據項目情況排查

2020-03-11 02:32:32

原创 CodeForces 1323D Present

一、內容 Catherine received an array of integers as a gift for March 8. Eventually she grew bored with it, and she star

2020-03-09 20:32:02

原创 CodeForces - 1323 C Unusual Competitions

一、內容 A bracketed sequence is called correct (regular) if by inserting "+" and "1" you can get a well-formed mathema

2020-03-09 20:32:02

原创 HDU 3336 Count the string kmp

一、內容 It is well known that AekdyCoin is good at string problems as well as number theory problems. When given a st

2020-03-07 12:48:35

原创 HDU 4300 Clairewd’s message exkmp

一、內容 Clairewd is a member of FBI. After several years concealing in BUPT, she intercepted some important messages

2020-03-07 12:48:35

原创 tomcat啓動時啓動窗口出現亂碼的解決方案

本質原因就一個：字節流解碼爲字符串時，使用了錯誤的字符集（和編碼所用字符集不一致）！ 我們來到tomcat目錄的conf子目錄中，找到一個名爲 "logging.properties" 的文件，打開這個文本文件，找到如下配置

2020-03-07 12:48:35

原创 POJ 3080 Blue Jeans kmp

一、內容 The Genographic Project is a research partnership between IBM and The National Geographic Society that is anal

2020-03-06 08:37:59

原创 HDU 1272小希的迷宮 並查集

一、內容 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

2020-03-03 23:22:50

原创 POJ 1308 Is It A Tree?

一、內容 A tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more no

2020-03-03 23:22:40

原创 POJ 1417 True Liars 帶權並查集 + 揹包

一、內容 After having drifted about in a small boat for a couple of days, Akira Crusoe Maeda was finally cast ashore on

2020-03-02 19:54:23

原创 ZOJ 3261 Connections in Galaxy War 並查集刪邊

一、內容 In order to strengthen the defense ability, many stars in galaxy allied together and built many bidirectional

2020-03-02 19:54:23

原创 POJ 1456 Supermarket 貪心+並查集

一、內容 A supermarket has a set Prod of products on sale. It earns a profit px for each product x∈Prod sold by a deadl

2020-03-02 19:54:23

原创 POJ 2492 A Bug's Life 帶權並查集

一、內容 Background Professor Hopper is researching the sexual behavior of a rare species of bugs. He assumes that they

2020-03-02 19:54:23

原创 POJ 2912 Rochambeau 帶權並查集

一、內容 N children are playing Rochambeau (scissors-rock-cloth) game with you. One of them is the judge. The rest chil

2020-03-02 19:54:23

原创 POJ 1984 Navigation Nightmare 多權值並查集

一、內容 Farmer John's pastoral neighborhood has N farms (2 <= N <= 40,000), usually numbered/labeled 1..N. A series of

2020-03-02 19:54:23