HDOJ 1166 敌兵布阵（线段树）敌兵布阵
敌兵布阵Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 77687 Accepted Submission(s): 32743Problem DescriptionC国的死对头A国这段时间正在进行军事演习，所以
