摘要: #include#include#include#include#includeusing namespace std;int nn,n;#define N 1050#define inf 0x6fffffffffffLLtypedef long long ll;ll dp[N*2][2500];i... 阅读全文
posted @ 2014-04-17 10:17 wangyucheng 阅读(185) 评论(0) 推荐(0) 编辑