摘要: 题目:给出N(#include#include#include#include#includeusing namespace std;typedef long long ll;const int maxv=1e5+30;const ll mod=1000000007;int N;int a[10){... 阅读全文
posted @ 2015-05-22 22:35 PlusSeven 阅读(230) 评论(0) 推荐(0) 编辑