Ignatius and the Princess ITime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2126 Accepted Submission(s): 617Special JudgeProblem DescriptionThe Princess has been abducted by the BEelzebub
PseudoforestTime Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 87 Accepted Submission(s): 21Problem DescriptionIn graph theory, a pseudoforest is an undirected graph in which every connected
Matrix AgainTime Limit: 5000/2000 MS (Java/Others) Memory Limit: 102400/102400 K (Java/Others)Total Submission(s): 368 Accepted Submission(s): 119Problem DescriptionStarvae very like play a number game in the n*n Matrix. A positive integer
Problem DescriptionThe GNU Compiler Collection (usually shortened to GCC) is a compiler system produced by the GNU Project supporting various programming languages. But it doesn’t contains the math operator “!”.In mathematics the symbol represents
Another LISTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 258 Accepted Submission(s): 45Problem DescriptionThere is a sequence firstly empty. We begin to add number from 1 to N to the
層次驅動程式可應用於檔案系統。出於潛行的需求,檔案系統對於rootkit有著特殊的吸引力。許多rootkit需要在檔案系統中隱藏檔,並且這些檔案必須是隱藏的。可以使用鉤子技術來隱藏檔案,但這種方法容易被檢測出來。另外,如果檔案或目錄安裝在SMB共用系統上,那麼鉤住系統服務描述表(system service descriptor table,SSDT)並不能隱藏它們。下面來看通過分層驅動的方法來隱藏檔案。首先從驅動的入口函數DriverEntry常式來看:NTSTATUSDriverEntry