摘要: http://poj.org/problem?id=3468 #include<cstdio>#define lson l,m,rt<<1#define rson m+1,r,rt<<1|1#define LL long longusing namespace std;const int maxn=100001;LL sum[maxn<<2],tmp[maxn<<2];void pushu... 阅读全文
posted @ 2012-10-30 21:42 Yogurt Shen 阅读(181) 评论(0) 推荐(0) 编辑