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
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