现在要多次查询知道m~n的和多少,请你编程计算。
5 2
1 2 3 4 5
1 3
2 4
6
9
用前缀和去写哦!!!
Anything about this OnlineJudge, Please Contact Administrator. Click add QQ
OJ system based on HUSTOJ Project , UI based on Twitter Bootstrap
Copyright 2016 ACM算法攻关部cnt: 14482
关于网站改版