摘要： Gene AssemblyTime Limit:2 Seconds Memory Limit:65536 KBStatement of the ProblemWith the large amount of genomic DNA sequence data being made available, it is becoming more important to find genes (parts of the genomic DNA which are responsible for the synthesis of proteins) in these sequences. It is 阅读全文

摘要： Network SaboteurTime Limit:2000MSMemory Limit:65536KTotal Submissions:8751Accepted:4070DescriptionA university network is composed of N computers. System administrators gathered information on the traffic between nodes, and carefully divided the network into two subnetworks in order to minimize traf 阅读全文

摘要： RoadblocksTime Limit:2000MSMemory Limit:65536KTotal Submissions:6459Accepted:2406DescriptionBessie has moved to a small farm and sometimes enjoys returning to visit one of her best friends. She does not want to get to her old home too quickly, because she likes the scenery along the way. She has dec 阅读全文

摘要： EditorTime Limit: 3000/2000 MS (Java/Others)Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1236Accepted Submission(s): 391Problem DescriptionSample Input8I 2I -1I 1Q 3LDRQ 2Sample Output23HintThe following diagram shows the status of sequence after each instruction:一直wa，谁能告诉我哪错了！ 1 阅读全文

摘要： C. Ladder time limit per test 2 seconds memory limit per test 256 megabytes input standard input ... 阅读全文

摘要： To the MaxTime Limit:1000MSMemory Limit:10000KTotal Submissions:38914Accepted:20534DescriptionGiven a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1*1 or greater located within the whole array. The sum of a rectangle is the sum of all t 阅读全文

摘要： Palindrome subsequenceTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 131072/65535 K (Java/Others)Total Submission(s): 1977Accepted Submission(s): 822Problem DescriptionIn mathematics, a subsequence is a sequence that can be derived from another sequence by deleting some elements without changin 阅读全文