继续畅通工程                                   Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)

继续畅通工程 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 26913    Accepted Submission(s): 11362 Problem Description 省政府“畅通工程”的目标是使全省任何两