摘要: 1 #include 2 #include 3 using namespace std; 4 int f[1000010], w[1000010] , next[1000010], sign[1000010]; 5 long long tree[4000040],add[4000040], v... 阅读全文
posted @ 2015-07-04 03:14 z52527 阅读(164) 评论(0) 推荐(0) 编辑