Hdu1233 step6.1.4还是畅通工程   Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 22072    Accepted Submission(s): 9855     Problem Description

Hdu1232 step6.1.3畅通工程   Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 25531    Accepted Submission(s): 13332     Problem Description 某