湫湫系列故事——设计风景线 Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 4539 Accepted Submission(s): 816 Problem Description 随着杭州西湖的知名度的进一步提升,园林规划专家湫湫希望设计出一条新的经典观光线路,根据老板马小腾的指示,新的风景线最好能建成环形,如果没有条件建成环形,…
Junk-Mail Filter Time Limit: 15000/8000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 8640 Accepted Submission(s): 2735 Problem Description Recognizing junk mails is a tough task. The method used here consists…
Description Recognizing junk mails is a tough task. The method used here consists of two steps: 1) Extract the common characteristics from the incoming email. 2) Use a filter matching the set of common characteristics extracted to determine whether…