摘要: DescriptionN (2 #define maxn 8005int a[maxn],c[maxn];struct node{ int len,l,r,sum;}b[4*maxn];void build(int l,int r,int i){ int mid; b... 阅读全文
posted @ 2015-04-02 12:58 Herumw 阅读(102) 评论(0) 推荐(0) 编辑