摘要: #include using namespace std; const int maxn=5e5+10; #define ll long long #define mem(a,b) memset(a,b,sizeof(a)) #define inf 0x3f3f3f3f #define rt 1,n,1 #define ls nowN[N[u].son].s) N... 阅读全文
posted @ 2019-06-13 19:31 Minun 阅读(165) 评论(0) 推荐(0) 编辑