摘要：
Islands and Bridges Time Limit: 4000MS Memory Limit: 65536K Total Submissions: 11034 Accepted: 2866 Description Given a map of islands and bridges tha 阅读全文
摘要：
[hdu3001]Travelling Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7817 Accepted Submission(s): 阅读全文
摘要：
Recently, researchers on Mars have discovered N powerful atoms. All of them are different. These atoms have some properties. When two of these atoms c 阅读全文