摘要: 1 #include 2 #include 3 #include 4 #include 5 using namespace std; 6 7 typedef long long ll; 8 int n, m; 9 const int maxn = 105; 10 const int MOD = 1e9 + 7; 11 12 struct node{ 13 l... 阅读全文
posted @ 2018-05-14 19:08 ouyang_wsgwz 阅读(130) 评论(0) 推荐(0) 编辑