hdoj 4272 LianLianKan 【树状数组】
题目链接：hdoj 4272 LianLianKanLianLianKanTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3744 Accepted Submission(s): 1126Problem Descrip
