[ACM] HDU 3395 Special Fish (二分圖最大權匹配,KM演算法),hdu3395Special FishProblem DescriptionThere is a kind of special fish in the East Lake where is closed to campus of Wuhan University. It’s hard to say which gender of those fish are, because every fish
Spring入門--控制反轉(IOC)與依賴注入(DI),springioc 1.控制反轉(Inversion of Control)與依賴注入(Dependency Injection) 控制反轉即IoC (Inversion of Control),它把傳統上由程式碼直接操控的對象的調用權交給容器,通過容器來實現對象組件的裝配和管理。所謂的“控制反轉”概念就是對組件對象控制權的轉移,從程式碼本身轉移到了外部容器。
HDOJ 5088 Revenge of Nim II 位元運算,hdoj5088位元運算。。。。Revenge of Nim IITime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 229 Accepted Submission(s):
Java中byte轉int的方法,javabyte轉intbyte轉化為int有兩種情況:1)要保持數值不變應用情境:數值計算,等等。方法:可以直接採用強制類型轉換:int i = (int) aByte,例如:若aByte=0xff(即數值為-1),則轉化為int後,i為0xffffffff,數值仍為-1。2)保持最低位元組中各個位不變,3個高位元組全部用0填充應用情境:編解碼操作,方法:採用位操作:int i = aByte &
HDOJ 5087 Revenge of LIS II DP,hdoj5087DP的時候記錄下是否可以從兩個位置轉移過來。。。。Revenge of LIS IITime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 393 Accepted